Originally Posted by trainwrex

update......

Just bought this custom manifold second hand from a forum member in australia.

"It has been wet flow tested and these are the values Standard one per runner flows 290cfm this one 410cfm per runner

It brings on boost earlier,we lengthened the runners 45mm and dropped the Inside diameter 2mm,so it increases the air speed dramatically"

Tell me what u think of the quality, should perform well:

Im getting my engine rebuilt:

2.5ltr sleeved, pistons etc.
Ported 2.0ltr sti heads
Cosworth AVCS 278/274 cams
GT35R 0.82 A/R
PE 800cc injectors
Dual walbro fuel pumps

Thats the majoity of the mods.












And this is it on his car: