All of the reputable ones ASG, ST, minus Mms as I didnt ask them... big horsepower is well over 350+ Sean tune or big non bolt on turbos...
CAI makes no difference on 06/07s like munya said...
__________________
06 STi: 337hp @23psi on E85...
06 STi: 309hp @22psi on 98ron...
Last edited by RJ999; 24-01-2014 at 09:36 PM.
|