Originally Posted by truracer001
Theres alot of good info on this...I noticed that alot of wrxs react differently to bolt ons. Ive seen a stage 2 wrx(turbo back and up pipe and intake) with 240whp and another one with alot more with less whp..
Originally Posted by Davenow
That is the other thing people dont understand (well, many dont)
take 10 identical cars
bolt on identical mods
dyno all 10
10 different whp numbers. Varying up to and often over 20whp from highest to lowest.
Heck man take all 10 BONE STOCK and dyno them. 10-15whp differences are not super uncommon.
That and he could also be seeing the 2005 vs the 2006 wrx. 2.0 vs 2.5 ltr motors.