lilgcts-v

i was thinking about porting my intake manifold and throttle body i have headers, cai, cat-back and will get a tune will i see any kind on hp increase i read somewhere i could see up to 9 whp but also how will my gas mileage and drivability be ? because i dont want to loose either LOL...

Bo White

iTrader: (59)

LS2 90mm setups gain pretty good off the bottom but once that 90mm gets full throttle the porting gains are barely seen.