fballplayya82

i have a 94 gt w/ 373's, pullies, cold air,70mm tbody, c n l 76 mac cat back and mac h pipe w/ high flow cat, if i go to long tubes and an off road h what type of hp will i gain

also juss got a sick deal on a gt40 upper n lower ported and polished i kno the gain wont b much but how muchwill the manifold gainwith stock e7's n stock cam

mjr46

total gain from both may yield 15-25 rwhp

fballplayya82

how much is from the exhaust and how much from the intake, ne idea on my rwhp right now, guessin around 235???

thanx again every1

mjr46

EXHAUST?? maybe 10 to 12..it's hard to say there are many variables that figure in....best is to just run the car cause et is all that matters in the end