General impression is no more boxer sound, slightly slower spool (noticeable), no boost spikes, & noticeably better top-end than the TD04 @ 14psi at TD05 boost levels of just 11psi.
My buddy redid 1 section of the Aluminum I/C tubing to be 1 piece (TIG Welded!) while everything was apart.
So now just 4 tubes & 6 connectors get air from the turbo & to the t-body.
I have to reconnect the pyrometer & play with the boost some, but it looks to be a good upgrade.