What's the best thing to do? ABS tubing OR velocity stack?

Snorkus, filters, throttle bodies and intake manifolds.

Moderators: Helpinators, Moderators

Post Reply
Danteandsoob
First Gear
Posts: 187
Joined: Sat Jan 11, 2014 6:31 am
Location: Albuquerque, NM

What's the best thing to do? ABS tubing OR velocity stack?

Post by Danteandsoob »

So my legacy has no snorkus, but I does have the tube that goes from the snorkus up to the airbox, is this adiquite enough for air flow? Because if not, I was thinking of running ABS plastic tubing from the front of the car (behind the front bumper) up to the hole in the airbox. Would this show any gains or would it be very negligible? If not this, could I take the existing tube off and just put a velocity stack in the fender hole and see the same results?
- '93 Metallic Blue Legacy L, DD w/lots of mods
- '91 Mazda Miata, Autox fun car

Legacy777
Site Admin
Site Admin
Posts: 27609
Joined: Tue Oct 15, 2002 11:37 am
Location: Houston, Tx
Contact:

Re: What's the best thing to do? ABS tubing OR velocity stac

Post by Legacy777 »

You'd be better off probably removing the old tube and either leaving the airbox inlet hole as is or you may see a little benefit from putting a velocity stack on there.
Josh

surrealmirage.com/subaru
1990 Legacy (AWD, 6MT, & EJ22T Swap)
2020 Outback Limted XT

If you need to get a hold of me please email me rather then pm

Danteandsoob
First Gear
Posts: 187
Joined: Sat Jan 11, 2014 6:31 am
Location: Albuquerque, NM

Re: What's the best thing to do? ABS tubing OR velocity stac

Post by Danteandsoob »

So is the air up around the airbox hole of high pressure just like the front of the car where I would duct the tubing up to?
- '93 Metallic Blue Legacy L, DD w/lots of mods
- '91 Mazda Miata, Autox fun car

Legacy777
Site Admin
Site Admin
Posts: 27609
Joined: Tue Oct 15, 2002 11:37 am
Location: Houston, Tx
Contact:

Re: What's the best thing to do? ABS tubing OR velocity stac

Post by Legacy777 »

No it's not. You could run a tube to the front of the car to make a "ram" air style intake, but if you put it low you can risk the chance of ingesting larger amounts of water.

I don't know if you'll notice much of a difference, but you can give it a try.
Josh

surrealmirage.com/subaru
1990 Legacy (AWD, 6MT, & EJ22T Swap)
2020 Outback Limted XT

If you need to get a hold of me please email me rather then pm

kimokalihi
Fifth Gear
Posts: 8360
Joined: Mon Nov 06, 2006 3:41 am
Location: Tenino, WA

Re: What's the best thing to do? ABS tubing OR velocity stac

Post by kimokalihi »

Pretty sure my car still has the tube but no snorkuss well.
98 Metro Hatch Daily Driver :)
91 SS EJ20G Engine/Tranny/Diff Swap Build Thread Here
"Your testes are close to your bottom but you still play with them all the time." Jeremy Clarkson

Post Reply