-Alrighty, well for those who have been patient, the time has come to
decide on how they want their exhaust built. Those who are still
interested, please send your prefrences to either me, the list, or
Russ at Subspeed, so that we can work out one system. I also just
recived this from Russ,
The plan is to build pipes in sections that very closely resemble the
factory pieces, though done with larger pipe. There will still be a
downpipe, 'B' pipe (centre pipe), and muffler section. Any of these
will be
available on an individual basis. As different configurations are
available
they will fit together in a systematic way. This way you can have
both
a
'B' pipe with and without converter for those SCCA weekends. Likewise
with
the muffler; glasspack for the hill climb - reversing style for the
commute.
I just need to know which style will be in most demand straight away
so
I
can get oriented to those details.
Regards,
Russ
-So, please let me know what you think. There were more details on
the seperate kinds of exhaust systems that are available, but I will
post again here for convenience sake,...
I have a couple variations in mind for
the downpipe: 1) using a dump style turbo outlet flange similar to
the downpipe I make for the EA82T leading into a three inch pipe that
follows the factory routing; 2) using a dual tube design that routes
the gasses from the turbine into a four(?) inch pipe
that nearly follows the factory routing (reducing back to three
inches near the bottom) and using a smaller tube to route wastegate
gasses that follows the main tube in a parallel path that joins in
with the main tube about 24 inches down from the turbo. The advantage
to this option is that it offers the most flow. It is also the most
difficult to build (and expensive) due
to the fact that there would be two tubes and the turbo flange area
would have to be partitioned so that there would be no cross
contamination of gasses in the turbine housing. There would be the
option of including a converter in the first option but I don't see
any practical way of offering a converter with the second option.
The rest of the system would consist of three inch tubing that
follows the factory routing all the way back.
-So again, all who are interested (or not) please give some input.
Please say what type you are interested in, and your name and such.
The sooner we tell Russ what we want, the sooner he can build it for
us! Regards,
-Zak
------------------------ ---------------------~-->
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and no minimums.
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Final Exhaust group buy question-please post
Moderators: Helpinators, Moderators
-
Ryan Douthit
Final Exhaust group buy question-please post
Though I want one, I would have to personally vote for close to factory—but better. I won’t even pretend to know some of the minor differences in one pipe design over another. Though I probably won’t be switching out the pipes for specific events, since most of my stuff is on legal roads.
My future pipe purchase is going into a car used for touring rally that currently has the stock turbo…though I will be changing this at some point to a larger one. My next change will be adding a bit of boost and bolting on an intercooler, if that helps at all…
Ryan Douthit
MidnightCafe.com Rally Team
http://www.midnightcafe.com/rally
-----Original Message-----
From: laser158754 [mailto:laser158754@yahoo.com]
Sent: Sunday, April 14, 2002 10:58 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: [BC-BFLegacyWorks] Final Exhaust group buy question-please post
-Alrighty, well for those who have been patient, the time has come to
decide on how they want their exhaust built. Those who are still
interested, please send your prefrences to either me, the list, or
Russ at Subspeed, so that we can work out one system. I also just
recived this from Russ,
The plan is to build pipes in sections that very closely resemble the
factory pieces, though done with larger pipe. There will still be a
downpipe, 'B' pipe (centre pipe), and muffler section. Any of these
will be
available on an individual basis. As different configurations are
available
they will fit together in a systematic way. This way you can have
both
a
'B' pipe with and without converter for those SCCA weekends. Likewise
with
the muffler; glasspack for the hill climb - reversing style for the
commute.
I just need to know which style will be in most demand straight away
so
I
can get oriented to those details.
Regards,
Russ
-So, please let me know what you think. There were more details on
the seperate kinds of exhaust systems that are available, but I will
post again here for convenience sake,...
I have a couple variations in mind for
the downpipe: 1) using a dump style turbo outlet flange similar to
the downpipe I make for the EA82T leading into a three inch pipe that
follows the factory routing; 2) using a dual tube design that routes
the gasses from the turbine into a four(?) inch pipe
that nearly follows the factory routing (reducing back to three
inches near the bottom) and using a smaller tube to route wastegate
gasses that follows the main tube in a parallel path that joins in
with the main tube about 24 inches down from the turbo. The advantage
to this option is that it offers the most flow. It is also the most
difficult to build (and expensive) due
to the fact that there would be two tubes and the turbo flange area
would have to be partitioned so that there would be no cross
contamination of gasses in the turbine housing. There would be the
option of including a converter in the first option but I don't see
any practical way of offering a converter with the second option.
The rest of the system would consist of three inch tubing that
follows the factory routing all the way back.
-So again, all who are interested (or not) please give some input.
Please say what type you are interested in, and your name and such.
The sooner we tell Russ what we want, the sooner he can build it for
us! Regards,
-Zak
To unsubscribe from this group, please send an email to:
BC-BFLegacyWorks-unsubscribe@egroups.com
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zZz <http://docs.yahoo.com/info/terms/> .
My future pipe purchase is going into a car used for touring rally that currently has the stock turbo…though I will be changing this at some point to a larger one. My next change will be adding a bit of boost and bolting on an intercooler, if that helps at all…
Ryan Douthit
MidnightCafe.com Rally Team
http://www.midnightcafe.com/rally
-----Original Message-----
From: laser158754 [mailto:laser158754@yahoo.com]
Sent: Sunday, April 14, 2002 10:58 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: [BC-BFLegacyWorks] Final Exhaust group buy question-please post
-Alrighty, well for those who have been patient, the time has come to
decide on how they want their exhaust built. Those who are still
interested, please send your prefrences to either me, the list, or
Russ at Subspeed, so that we can work out one system. I also just
recived this from Russ,
The plan is to build pipes in sections that very closely resemble the
factory pieces, though done with larger pipe. There will still be a
downpipe, 'B' pipe (centre pipe), and muffler section. Any of these
will be
available on an individual basis. As different configurations are
available
they will fit together in a systematic way. This way you can have
both
a
'B' pipe with and without converter for those SCCA weekends. Likewise
with
the muffler; glasspack for the hill climb - reversing style for the
commute.
I just need to know which style will be in most demand straight away
so
I
can get oriented to those details.
Regards,
Russ
-So, please let me know what you think. There were more details on
the seperate kinds of exhaust systems that are available, but I will
post again here for convenience sake,...
I have a couple variations in mind for
the downpipe: 1) using a dump style turbo outlet flange similar to
the downpipe I make for the EA82T leading into a three inch pipe that
follows the factory routing; 2) using a dual tube design that routes
the gasses from the turbine into a four(?) inch pipe
that nearly follows the factory routing (reducing back to three
inches near the bottom) and using a smaller tube to route wastegate
gasses that follows the main tube in a parallel path that joins in
with the main tube about 24 inches down from the turbo. The advantage
to this option is that it offers the most flow. It is also the most
difficult to build (and expensive) due
to the fact that there would be two tubes and the turbo flange area
would have to be partitioned so that there would be no cross
contamination of gasses in the turbine housing. There would be the
option of including a converter in the first option but I don't see
any practical way of offering a converter with the second option.
The rest of the system would consist of three inch tubing that
follows the factory routing all the way back.
-So again, all who are interested (or not) please give some input.
Please say what type you are interested in, and your name and such.
The sooner we tell Russ what we want, the sooner he can build it for
us! Regards,
-Zak
To unsubscribe from this group, please send an email to:
BC-BFLegacyWorks-unsubscribe@egroups.com
Your use of Yahoo! Groups is subject to the Yahoo! <http://docs.yahoo.com/info/terms/> Terms of Service.
ADVERTISEMENT
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<http://us.adserver.yahoo.com/l?M=224280 ... =632322671>
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zZz <http://docs.yahoo.com/info/terms/> .
-
abs526
Final Exhaust group buy question-please post
I really like the compatibility with the stock exhaust idea. I'm a US
owner and driver. I use my car for a daily commuter, street racer,
and light rallier. With that out of the way here are what i'd like
to see in an exhuast.
3 inch (or 80 mm) exhaust piping
no cats
small nonresrictive pre-silencer
then the glass pack straight through muffler perforated design so air
flows smoothly. None of that louvred crap i've seen.
Mainy, the idea is to keep the exhuast velocity up, and things
sticking in its way to a minimum. Now i've seen a lot of downpipes
that offer a splitter off the wastegate, and I've never heard anyone
gaining anything from it. It seems like a good idea, but in the real
world it doesnt do anything but drive up cost. That is my main
concern. Lets try and keep the cost down here. I'd say go with the
normal 3 inch piping and save on that, worry most about the muffler.
Having one that matchs up well to the boxer is most important, look
at what scoobysports did! Something like that is perfect! As far as
the o2 sensor i'm kinda worried about that. Those of us keeping them
will need to relocate them to under the car 4 inches before the cat
like it is on the stock exhuast, but with me not wanting to run a
cat, i'm wondering how i can get around any problems with the "dummy
light". Anyway...I hope some of these ideas were helpful. I cant
wait to get an exhuast on this car, so lets get this show on the road!
-Andy
------------------------ ---------------------~-->
Buy Stock for $4
and no minimums.
FREE Money 2002.
http://us.click.yahoo.com/orkH0C/n97DAA ... /XoTolB/TM
---------------------------------------------------------------------~->
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owner and driver. I use my car for a daily commuter, street racer,
and light rallier. With that out of the way here are what i'd like
to see in an exhuast.
3 inch (or 80 mm) exhaust piping
no cats
small nonresrictive pre-silencer
then the glass pack straight through muffler perforated design so air
flows smoothly. None of that louvred crap i've seen.
Mainy, the idea is to keep the exhuast velocity up, and things
sticking in its way to a minimum. Now i've seen a lot of downpipes
that offer a splitter off the wastegate, and I've never heard anyone
gaining anything from it. It seems like a good idea, but in the real
world it doesnt do anything but drive up cost. That is my main
concern. Lets try and keep the cost down here. I'd say go with the
normal 3 inch piping and save on that, worry most about the muffler.
Having one that matchs up well to the boxer is most important, look
at what scoobysports did! Something like that is perfect! As far as
the o2 sensor i'm kinda worried about that. Those of us keeping them
will need to relocate them to under the car 4 inches before the cat
like it is on the stock exhuast, but with me not wanting to run a
cat, i'm wondering how i can get around any problems with the "dummy
light". Anyway...I hope some of these ideas were helpful. I cant
wait to get an exhuast on this car, so lets get this show on the road!
-Andy
------------------------ ---------------------~-->
Buy Stock for $4
and no minimums.
FREE Money 2002.
http://us.click.yahoo.com/orkH0C/n97DAA ... /XoTolB/TM
---------------------------------------------------------------------~->
To unsubscribe from this group, please send an email to:
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-
Josh Colombo
Final Exhaust group buy question-please post
Just a comment about your O2 sensor and cat issue.
I would recommend you keeping the cat. Firstly you can get into some serious trouble.....not sure what state you live in, and if they have inspections or not.
If you don't have state inspections I guess it's less to worry about.....however if you do have a loud exhaust, and get pulled over for it and they check for cat....that's a pretty hefty fine.
Secondly....if you get a high flow cat....performance really is not hampered that much.
The O2 sensor is not merely for emissions it helps fine tune your car's a/f mixture. You will most definitely want to keep that puppy in there. people have simply welded on an O2 bung, and that's that....no real worries....
Josh
************************************
Josh Colombo
Josh@surrealmirage.com <mailto:Josh@surrealmirage.com>
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From: abs526 [mailto:andrew.b.smith@umit.maine.edu]
Sent: Monday, April 15, 2002 6:32 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: [BC-BFLegacyWorks] Re: Final Exhaust group buy question-please
post
I really like the compatibility with the stock exhaust idea. I'm a US
owner and driver. I use my car for a daily commuter, street racer,
and light rallier. With that out of the way here are what i'd like
to see in an exhuast.
3 inch (or 80 mm) exhaust piping
no cats
small nonresrictive pre-silencer
then the glass pack straight through muffler perforated design so air
flows smoothly. None of that louvred crap i've seen.
Mainy, the idea is to keep the exhuast velocity up, and things
sticking in its way to a minimum. Now i've seen a lot of downpipes
that offer a splitter off the wastegate, and I've never heard anyone
gaining anything from it. It seems like a good idea, but in the real
world it doesnt do anything but drive up cost. That is my main
concern. Lets try and keep the cost down here. I'd say go with the
normal 3 inch piping and save on that, worry most about the muffler.
Having one that matchs up well to the boxer is most important, look
at what scoobysports did! Something like that is perfect! As far as
the o2 sensor i'm kinda worried about that. Those of us keeping them
will need to relocate them to under the car 4 inches before the cat
like it is on the stock exhuast, but with me not wanting to run a
cat, i'm wondering how i can get around any problems with the "dummy
light". Anyway...I hope some of these ideas were helpful. I cant
wait to get an exhuast on this car, so lets get this show on the road!
-Andy
To unsubscribe from this group, please send an email to:
BC-BFLegacyWorks-unsubscribe@egroups.com
------------------------ ---------------------~-->
Buy Stock for $4
and no minimums.
FREE Money 2002.
http://us.click.yahoo.com/orkH0C/n97DAA ... /XoTolB/TM
---------------------------------------------------------------------~->
To unsubscribe from this group, please send an email to:
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I would recommend you keeping the cat. Firstly you can get into some serious trouble.....not sure what state you live in, and if they have inspections or not.
If you don't have state inspections I guess it's less to worry about.....however if you do have a loud exhaust, and get pulled over for it and they check for cat....that's a pretty hefty fine.
Secondly....if you get a high flow cat....performance really is not hampered that much.
The O2 sensor is not merely for emissions it helps fine tune your car's a/f mixture. You will most definitely want to keep that puppy in there. people have simply welded on an O2 bung, and that's that....no real worries....
Josh
************************************
Josh Colombo
Josh@surrealmirage.com <mailto:Josh@surrealmirage.com>
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From: abs526 [mailto:andrew.b.smith@umit.maine.edu]
Sent: Monday, April 15, 2002 6:32 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: [BC-BFLegacyWorks] Re: Final Exhaust group buy question-please
post
I really like the compatibility with the stock exhaust idea. I'm a US
owner and driver. I use my car for a daily commuter, street racer,
and light rallier. With that out of the way here are what i'd like
to see in an exhuast.
3 inch (or 80 mm) exhaust piping
no cats
small nonresrictive pre-silencer
then the glass pack straight through muffler perforated design so air
flows smoothly. None of that louvred crap i've seen.
Mainy, the idea is to keep the exhuast velocity up, and things
sticking in its way to a minimum. Now i've seen a lot of downpipes
that offer a splitter off the wastegate, and I've never heard anyone
gaining anything from it. It seems like a good idea, but in the real
world it doesnt do anything but drive up cost. That is my main
concern. Lets try and keep the cost down here. I'd say go with the
normal 3 inch piping and save on that, worry most about the muffler.
Having one that matchs up well to the boxer is most important, look
at what scoobysports did! Something like that is perfect! As far as
the o2 sensor i'm kinda worried about that. Those of us keeping them
will need to relocate them to under the car 4 inches before the cat
like it is on the stock exhuast, but with me not wanting to run a
cat, i'm wondering how i can get around any problems with the "dummy
light". Anyway...I hope some of these ideas were helpful. I cant
wait to get an exhuast on this car, so lets get this show on the road!
-Andy
To unsubscribe from this group, please send an email to:
BC-BFLegacyWorks-unsubscribe@egroups.com
------------------------ ---------------------~-->
Buy Stock for $4
and no minimums.
FREE Money 2002.
http://us.click.yahoo.com/orkH0C/n97DAA ... /XoTolB/TM
---------------------------------------------------------------------~->
To unsubscribe from this group, please send an email to:
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-
abs526
Final Exhaust group buy question-please post
Yeah, I live in Maine, and I'm not really sure what the rules are
regarding cats, but they dont check for them at our inspection. The
reason i'd go without a cat is that it lowers the price a lot, and it
helps performance a little. Cops around here dont really pull people
over for loud exhuasts, if they did I seriously doubt my subaru would
be a major offender, more like the trucks around with rusted off
exhuasts or hondas. I dont think too many cops would even know to
look for a cat. The sole reason I'd keep it would be to have my o2
sensor working well. I'll most likely buy the no cat pipe, and
eventually buy the catted version later on, I'll need it to run SCCA
rallies....
-Andy
------------------------ ---------------------~-->
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and no minimums.
FREE Money 2002.
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---------------------------------------------------------------------~->
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regarding cats, but they dont check for them at our inspection. The
reason i'd go without a cat is that it lowers the price a lot, and it
helps performance a little. Cops around here dont really pull people
over for loud exhuasts, if they did I seriously doubt my subaru would
be a major offender, more like the trucks around with rusted off
exhuasts or hondas. I dont think too many cops would even know to
look for a cat. The sole reason I'd keep it would be to have my o2
sensor working well. I'll most likely buy the no cat pipe, and
eventually buy the catted version later on, I'll need it to run SCCA
rallies....
-Andy
------------------------ ---------------------~-->
Buy Stock for $4
and no minimums.
FREE Money 2002.
http://us.click.yahoo.com/orkH0C/n97DAA ... /XoTolB/TM
---------------------------------------------------------------------~->
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-
Josh Colombo
Final Exhaust group buy question-please post
Like I said earlier.....you don't need the cat to have your O2 sensor
function properly.
The later model subarus/cars with the OBD I computers have one O2
sensor....it is before the cat.
The newer model cars with the OBD II computers have two. One before the
cat, and one after. It is done this way to measure the cat's efficiency
and "know" when it's time to replace it.
For your car....you don't have to worry about it. If you don't want to
run cat....no biggy...won't interfere with your O2's operation.
Josh
************************************
Josh Colombo
Josh@surrealmirage.com <mailto:Josh@surrealmirage.com>
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From: abs526 [mailto:andrew.b.smith@umit.maine.edu]
Sent: Monday, April 15, 2002 95 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: [BC-BFLegacyWorks] Re: Final Exhaust group buy question-please
post
Yeah, I live in Maine, and I'm not really sure what the rules are
regarding cats, but they dont check for them at our inspection. The
reason i'd go without a cat is that it lowers the price a lot, and it
helps performance a little. Cops around here dont really pull people
over for loud exhuasts, if they did I seriously doubt my subaru would
be a major offender, more like the trucks around with rusted off
exhuasts or hondas. I dont think too many cops would even know to
look for a cat. The sole reason I'd keep it would be to have my o2
sensor working well. I'll most likely buy the no cat pipe, and
eventually buy the catted version later on, I'll need it to run SCCA
rallies....
-Andy
To unsubscribe from this group, please send an email to:
BC-BFLegacyWorks-unsubscribe@egroups.com
Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
------------------------ ---------------------~-->
Buy Stock for $4
and no minimums.
FREE Money 2002.
http://us.click.yahoo.com/orkH0C/n97DAA ... /XoTolB/TM
---------------------------------------------------------------------~->
To unsubscribe from this group, please send an email to:
BC-BFLegacyWorks-unsubscribe@egroups.com
function properly.
The later model subarus/cars with the OBD I computers have one O2
sensor....it is before the cat.
The newer model cars with the OBD II computers have two. One before the
cat, and one after. It is done this way to measure the cat's efficiency
and "know" when it's time to replace it.
For your car....you don't have to worry about it. If you don't want to
run cat....no biggy...won't interfere with your O2's operation.
Josh
************************************
Josh Colombo
Josh@surrealmirage.com <mailto:Josh@surrealmirage.com>
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From: abs526 [mailto:andrew.b.smith@umit.maine.edu]
Sent: Monday, April 15, 2002 95 PM
To: BC-BFLegacyWorks@yahoogroups.com
Subject: [BC-BFLegacyWorks] Re: Final Exhaust group buy question-please
post
Yeah, I live in Maine, and I'm not really sure what the rules are
regarding cats, but they dont check for them at our inspection. The
reason i'd go without a cat is that it lowers the price a lot, and it
helps performance a little. Cops around here dont really pull people
over for loud exhuasts, if they did I seriously doubt my subaru would
be a major offender, more like the trucks around with rusted off
exhuasts or hondas. I dont think too many cops would even know to
look for a cat. The sole reason I'd keep it would be to have my o2
sensor working well. I'll most likely buy the no cat pipe, and
eventually buy the catted version later on, I'll need it to run SCCA
rallies....
-Andy
To unsubscribe from this group, please send an email to:
BC-BFLegacyWorks-unsubscribe@egroups.com
Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
------------------------ ---------------------~-->
Buy Stock for $4
and no minimums.
FREE Money 2002.
http://us.click.yahoo.com/orkH0C/n97DAA ... /XoTolB/TM
---------------------------------------------------------------------~->
To unsubscribe from this group, please send an email to:
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-
Ian Shastko
Final Exhaust group buy question-please post
When are we going to see some prices? I'm interrested in the downpipe with
no cat and a 02 sensor bung that will fit in place with my stock system. It
sounds like thats what everyone wants. It would be cheaper and easier to put
a high flow cat on the mid pipe anyway. I think that the rule for cats in
most states with emissions is 125,000 miles before you can leagally install
a high flow cat. thats what I was told by a few exhaust guys but most of
them wont touch it even if its over the milage so this is a good deal.
>From: "Josh Colombo" <josh@surrealmirage.com>
>Reply-To: BC-BFLegacyWorks@yahoogroups.com
>To: <BC-BFLegacyWorks@yahoogroups.com>
>Subject: RE: [BC-BFLegacyWorks] Re: Final Exhaust group buy question-please
>post
>Date: Mon, 15 Apr 2002 22:12:25 -0500
>
>Like I said earlier.....you don't need the cat to have your O2 sensor
>function properly.
>
>The later model subarus/cars with the OBD I computers have one O2
>sensor....it is before the cat.
>
>The newer model cars with the OBD II computers have two. One before the
>cat, and one after. It is done this way to measure the cat's efficiency
>and "know" when it's time to replace it.
>
>For your car....you don't have to worry about it. If you don't want to
>run cat....no biggy...won't interfere with your O2's operation.
>
>Josh
>
>************************************
>Josh Colombo
>Josh@surrealmirage.com <mailto:Josh@surrealmirage.com>
>
>"Life, an ever-changing melody
> of beats and rhythm" - ME
>************************************
>
>
>-----Original Message-----
>From: abs526 [mailto:andrew.b.smith@umit.maine.edu]
>Sent: Monday, April 15, 2002 95 PM
>To: BC-BFLegacyWorks@yahoogroups.com
>Subject: [BC-BFLegacyWorks] Re: Final Exhaust group buy question-please
>post
>
>
>Yeah, I live in Maine, and I'm not really sure what the rules are
>regarding cats, but they dont check for them at our inspection. The
>reason i'd go without a cat is that it lowers the price a lot, and it
>helps performance a little. Cops around here dont really pull people
>over for loud exhuasts, if they did I seriously doubt my subaru would
>be a major offender, more like the trucks around with rusted off
>exhuasts or hondas. I dont think too many cops would even know to
>look for a cat. The sole reason I'd keep it would be to have my o2
>sensor working well. I'll most likely buy the no cat pipe, and
>eventually buy the catted version later on, I'll need it to run SCCA
>rallies....
>-Andy
>
>
>
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no cat and a 02 sensor bung that will fit in place with my stock system. It
sounds like thats what everyone wants. It would be cheaper and easier to put
a high flow cat on the mid pipe anyway. I think that the rule for cats in
most states with emissions is 125,000 miles before you can leagally install
a high flow cat. thats what I was told by a few exhaust guys but most of
them wont touch it even if its over the milage so this is a good deal.
>From: "Josh Colombo" <josh@surrealmirage.com>
>Reply-To: BC-BFLegacyWorks@yahoogroups.com
>To: <BC-BFLegacyWorks@yahoogroups.com>
>Subject: RE: [BC-BFLegacyWorks] Re: Final Exhaust group buy question-please
>post
>Date: Mon, 15 Apr 2002 22:12:25 -0500
>
>Like I said earlier.....you don't need the cat to have your O2 sensor
>function properly.
>
>The later model subarus/cars with the OBD I computers have one O2
>sensor....it is before the cat.
>
>The newer model cars with the OBD II computers have two. One before the
>cat, and one after. It is done this way to measure the cat's efficiency
>and "know" when it's time to replace it.
>
>For your car....you don't have to worry about it. If you don't want to
>run cat....no biggy...won't interfere with your O2's operation.
>
>Josh
>
>************************************
>Josh Colombo
>Josh@surrealmirage.com <mailto:Josh@surrealmirage.com>
>
>"Life, an ever-changing melody
> of beats and rhythm" - ME
>************************************
>
>
>-----Original Message-----
>From: abs526 [mailto:andrew.b.smith@umit.maine.edu]
>Sent: Monday, April 15, 2002 95 PM
>To: BC-BFLegacyWorks@yahoogroups.com
>Subject: [BC-BFLegacyWorks] Re: Final Exhaust group buy question-please
>post
>
>
>Yeah, I live in Maine, and I'm not really sure what the rules are
>regarding cats, but they dont check for them at our inspection. The
>reason i'd go without a cat is that it lowers the price a lot, and it
>helps performance a little. Cops around here dont really pull people
>over for loud exhuasts, if they did I seriously doubt my subaru would
>be a major offender, more like the trucks around with rusted off
>exhuasts or hondas. I dont think too many cops would even know to
>look for a cat. The sole reason I'd keep it would be to have my o2
>sensor working well. I'll most likely buy the no cat pipe, and
>eventually buy the catted version later on, I'll need it to run SCCA
>rallies....
>-Andy
>
>
>
>To unsubscribe from this group, please send an email to:
>BC-BFLegacyWorks-unsubscribe@egroups.com
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-
Brian White
Final Exhaust group buy question-please post
I would like to see a high-flow cat in the stock
location. I'm in California and they definitely look
for a cat here. I don't know when I'll have to go in
for an inspection again, but I don't want to press my
luck. A cat would be a good thing, and shouldn't
inhibit performance at all.
-Brian
> I really like the compatibility with the stock
> exhaust idea. I'm a US
> owner and driver. I use my car for a daily
> commuter, street racer,
> and light rallier. With that out of the way here
> are what i'd like
> to see in an exhuast.
>
> 3 inch (or 80 mm) exhaust piping
> no cats
> small nonresrictive pre-silencer
> then the glass pack straight through muffler
> perforated design so air
> flows smoothly. None of that louvred crap i've
> seen.
>
> Mainy, the idea is to keep the exhuast velocity up,
> and things
> sticking in its way to a minimum. Now i've seen a
> lot of downpipes
> that offer a splitter off the wastegate, and I've
> never heard anyone
> gaining anything from it. It seems like a good
> idea, but in the real
> world it doesnt do anything but drive up cost. That
> is my main
> concern. Lets try and keep the cost down here. I'd
> say go with the
> normal 3 inch piping and save on that, worry most
> about the muffler.
> Having one that matchs up well to the boxer is most
> important, look
> at what scoobysports did! Something like that is
> perfect! As far as
> the o2 sensor i'm kinda worried about that. Those
> of us keeping them
> will need to relocate them to under the car 4 inches
> before the cat
> like it is on the stock exhuast, but with me not
> wanting to run a
> cat, i'm wondering how i can get around any problems
> with the "dummy
> light". Anyway...I hope some of these ideas were
> helpful. I cant
> wait to get an exhuast on this car, so lets get this
> show on the road!
> -Andy
>
>
>
>
>
> To unsubscribe from this group, please send an email
> to:
> BC-BFLegacyWorks-unsubscribe@egroups.com
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>
>
>
>
>
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location. I'm in California and they definitely look
for a cat here. I don't know when I'll have to go in
for an inspection again, but I don't want to press my
luck. A cat would be a good thing, and shouldn't
inhibit performance at all.
-Brian
> I really like the compatibility with the stock
> exhaust idea. I'm a US
> owner and driver. I use my car for a daily
> commuter, street racer,
> and light rallier. With that out of the way here
> are what i'd like
> to see in an exhuast.
>
> 3 inch (or 80 mm) exhaust piping
> no cats
> small nonresrictive pre-silencer
> then the glass pack straight through muffler
> perforated design so air
> flows smoothly. None of that louvred crap i've
> seen.
>
> Mainy, the idea is to keep the exhuast velocity up,
> and things
> sticking in its way to a minimum. Now i've seen a
> lot of downpipes
> that offer a splitter off the wastegate, and I've
> never heard anyone
> gaining anything from it. It seems like a good
> idea, but in the real
> world it doesnt do anything but drive up cost. That
> is my main
> concern. Lets try and keep the cost down here. I'd
> say go with the
> normal 3 inch piping and save on that, worry most
> about the muffler.
> Having one that matchs up well to the boxer is most
> important, look
> at what scoobysports did! Something like that is
> perfect! As far as
> the o2 sensor i'm kinda worried about that. Those
> of us keeping them
> will need to relocate them to under the car 4 inches
> before the cat
> like it is on the stock exhuast, but with me not
> wanting to run a
> cat, i'm wondering how i can get around any problems
> with the "dummy
> light". Anyway...I hope some of these ideas were
> helpful. I cant
> wait to get an exhuast on this car, so lets get this
> show on the road!
> -Andy
>
>
>
>
>
> To unsubscribe from this group, please send an email
> to:
> BC-BFLegacyWorks-unsubscribe@egroups.com
>
>
>
> Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
>
>
>
>
>
> ------------------------
>
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> to:
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laser158754
Final Exhaust group buy question-please post
So, is it a general idea that to keep cost down, we should just have
a single dump downpipe? Alright, how is this:
1. Single dump 3" downpipe. <---sounds like the optimum size
2a. 3" midpipe with hi flow cat and o2 hole
2b. 3" midpipe without cat, but still has o2 hole
3. ?optional resonator?
4. Muffler? <----------what should we do here. I would prefer a
cheap stockish-looking twin outlet. BUT, #1 prefrence is to reduce
backpressure, so nothing less then the equivalent of 3" going out.
Any more final ideas? I would like to get back to Russ as soon as
possible, then he can give us estimates. What else?
-Zak
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a single dump downpipe? Alright, how is this:
1. Single dump 3" downpipe. <---sounds like the optimum size
2a. 3" midpipe with hi flow cat and o2 hole
2b. 3" midpipe without cat, but still has o2 hole
3. ?optional resonator?
4. Muffler? <----------what should we do here. I would prefer a
cheap stockish-looking twin outlet. BUT, #1 prefrence is to reduce
backpressure, so nothing less then the equivalent of 3" going out.
Any more final ideas? I would like to get back to Russ as soon as
possible, then he can give us estimates. What else?
-Zak
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Ian Shastko
Final Exhaust group buy question-please post
Now why are you wanting to relocate the 02 senser to the mid pipe again?
>From: "laser158754" <laser158754@yahoo.com>
>Reply-To: BC-BFLegacyWorks@yahoogroups.com
>To: BC-BFLegacyWorks@yahoogroups.com
>Subject: [BC-BFLegacyWorks] Re: Final Exhaust group buy question-please
>post
>Date: Tue, 16 Apr 2002 04:38:31 -0000
>
>So, is it a general idea that to keep cost down, we should just have
>a single dump downpipe? Alright, how is this:
>1. Single dump 3" downpipe. <---sounds like the optimum size
>2a. 3" midpipe with hi flow cat and o2 hole
>2b. 3" midpipe without cat, but still has o2 hole
>3. ?optional resonator?
>4. Muffler? <----------what should we do here. I would prefer a
>cheap stockish-looking twin outlet. BUT, #1 prefrence is to reduce
>backpressure, so nothing less then the equivalent of 3" going out.
>
>Any more final ideas? I would like to get back to Russ as soon as
>possible, then he can give us estimates. What else?
>-Zak
>
>
>
>
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>From: "laser158754" <laser158754@yahoo.com>
>Reply-To: BC-BFLegacyWorks@yahoogroups.com
>To: BC-BFLegacyWorks@yahoogroups.com
>Subject: [BC-BFLegacyWorks] Re: Final Exhaust group buy question-please
>post
>Date: Tue, 16 Apr 2002 04:38:31 -0000
>
>So, is it a general idea that to keep cost down, we should just have
>a single dump downpipe? Alright, how is this:
>1. Single dump 3" downpipe. <---sounds like the optimum size
>2a. 3" midpipe with hi flow cat and o2 hole
>2b. 3" midpipe without cat, but still has o2 hole
>3. ?optional resonator?
>4. Muffler? <----------what should we do here. I would prefer a
>cheap stockish-looking twin outlet. BUT, #1 prefrence is to reduce
>backpressure, so nothing less then the equivalent of 3" going out.
>
>Any more final ideas? I would like to get back to Russ as soon as
>possible, then he can give us estimates. What else?
>-Zak
>
>
>
>
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laser158754
Final Exhaust group buy question-please post
--- In BC-BFLegacyWorks@y..., "Ian Shastko" <smotocon@h...> wrote:
> Now why are you wanting to relocate the 02 senser to the mid pipe
again?
>
>
baa, i guess it might be a good idea to leave them in the stock
location huh...good idea.
Zak.
PS if there aren't any objections, I am going to send an email to
Russ tonight as to the downpipe plan (no split, full 3"). Sound good?
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> Now why are you wanting to relocate the 02 senser to the mid pipe
again?
>
>
baa, i guess it might be a good idea to leave them in the stock
location huh...good idea.
Zak.
PS if there aren't any objections, I am going to send an email to
Russ tonight as to the downpipe plan (no split, full 3"). Sound good?
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abs526
Final Exhaust group buy question-please post
Personally, I'd like to see a canister muffler, like what all
performance exhuasts come with. Look at the HKS exhuast for the WRX,
just like that....only without the carbon fiber on it. I'd also
rather have the signiture turbo single tip, than a twin tip. There's
no reason to have two when one works well. As far as looking "ricey"
if its a well done muffler, and looks nice enough it wont be a
problem at all.
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performance exhuasts come with. Look at the HKS exhuast for the WRX,
just like that....only without the carbon fiber on it. I'd also
rather have the signiture turbo single tip, than a twin tip. There's
no reason to have two when one works well. As far as looking "ricey"
if its a well done muffler, and looks nice enough it wont be a
problem at all.
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scott_christopher_nelson
Final Exhaust group buy question-please post
My exhaust system preferences are rather simple and my technical
understanding of exhaust tuning even simpler. For my part, I want a
system that:
1. I or my mechanic can bolt-on out of the box.
2. Of course, I'm looking for performance improvement.
3. Will pass emissions or can be removed and the OEM system
reinstalled, therefore:
4. I don't want to reuse parts of existing exhaust as part of the
replacement. The O2 sensor is one exception.
5. I lean toward a quieter exhaust note.
Scott
--- In BC-BFLegacyWorks@y..., "laser158754" <laser158754@y...> wrote:
> -Alrighty, well for those who have been patient, the time has come
to
> decide on how they want their exhaust built. Those who are still
> interested, please send your prefrences to either me, the list, or
> Russ at Subspeed, so that we can work out one system. I also just
> recived this from Russ,
>
>
> The plan is to build pipes in sections that very closely resemble
the
> factory pieces, though done with larger pipe. There will still be a
> downpipe, 'B' pipe (centre pipe), and muffler section. Any of these
> will be
> available on an individual basis. As different configurations are
> available
> they will fit together in a systematic way. This way you can have
> both
> a
> 'B' pipe with and without converter for those SCCA weekends.
Likewise
> with
> the muffler; glasspack for the hill climb - reversing style for the
> commute.
> I just need to know which style will be in most demand straight
away
> so
> I
> can get oriented to those details.
>
> Regards,
> Russ
>
>
> -So, please let me know what you think. There were more details on
> the seperate kinds of exhaust systems that are available, but I
will
> post again here for convenience sake,...
>
>
> I have a couple variations in mind for
> the downpipe: 1) using a dump style turbo outlet flange similar to
> the downpipe I make for the EA82T leading into a three inch pipe
that
> follows the factory routing; 2) using a dual tube design that
routes
> the gasses from the turbine into a four(?) inch pipe
> that nearly follows the factory routing (reducing back to three
> inches near the bottom) and using a smaller tube to route wastegate
> gasses that follows the main tube in a parallel path that joins in
> with the main tube about 24 inches down from the turbo. The
advantage
> to this option is that it offers the most flow. It is also the most
> difficult to build (and expensive) due
> to the fact that there would be two tubes and the turbo flange area
> would have to be partitioned so that there would be no cross
> contamination of gasses in the turbine housing. There would be the
> option of including a converter in the first option but I don't see
> any practical way of offering a converter with the second option.
> The rest of the system would consist of three inch tubing that
> follows the factory routing all the way back.
>
> -So again, all who are interested (or not) please give some input.
> Please say what type you are interested in, and your name and such.
> The sooner we tell Russ what we want, the sooner he can build it
for
> us! Regards,
> -Zak
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understanding of exhaust tuning even simpler. For my part, I want a
system that:
1. I or my mechanic can bolt-on out of the box.
2. Of course, I'm looking for performance improvement.
3. Will pass emissions or can be removed and the OEM system
reinstalled, therefore:
4. I don't want to reuse parts of existing exhaust as part of the
replacement. The O2 sensor is one exception.
5. I lean toward a quieter exhaust note.
Scott
--- In BC-BFLegacyWorks@y..., "laser158754" <laser158754@y...> wrote:
> -Alrighty, well for those who have been patient, the time has come
to
> decide on how they want their exhaust built. Those who are still
> interested, please send your prefrences to either me, the list, or
> Russ at Subspeed, so that we can work out one system. I also just
> recived this from Russ,
>
>
> The plan is to build pipes in sections that very closely resemble
the
> factory pieces, though done with larger pipe. There will still be a
> downpipe, 'B' pipe (centre pipe), and muffler section. Any of these
> will be
> available on an individual basis. As different configurations are
> available
> they will fit together in a systematic way. This way you can have
> both
> a
> 'B' pipe with and without converter for those SCCA weekends.
Likewise
> with
> the muffler; glasspack for the hill climb - reversing style for the
> commute.
> I just need to know which style will be in most demand straight
away
> so
> I
> can get oriented to those details.
>
> Regards,
> Russ
>
>
> -So, please let me know what you think. There were more details on
> the seperate kinds of exhaust systems that are available, but I
will
> post again here for convenience sake,...
>
>
> I have a couple variations in mind for
> the downpipe: 1) using a dump style turbo outlet flange similar to
> the downpipe I make for the EA82T leading into a three inch pipe
that
> follows the factory routing; 2) using a dual tube design that
routes
> the gasses from the turbine into a four(?) inch pipe
> that nearly follows the factory routing (reducing back to three
> inches near the bottom) and using a smaller tube to route wastegate
> gasses that follows the main tube in a parallel path that joins in
> with the main tube about 24 inches down from the turbo. The
advantage
> to this option is that it offers the most flow. It is also the most
> difficult to build (and expensive) due
> to the fact that there would be two tubes and the turbo flange area
> would have to be partitioned so that there would be no cross
> contamination of gasses in the turbine housing. There would be the
> option of including a converter in the first option but I don't see
> any practical way of offering a converter with the second option.
> The rest of the system would consist of three inch tubing that
> follows the factory routing all the way back.
>
> -So again, all who are interested (or not) please give some input.
> Please say what type you are interested in, and your name and such.
> The sooner we tell Russ what we want, the sooner he can build it
for
> us! Regards,
> -Zak
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