stef 89

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Jun 28, 2009
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st jean-sur-richelieu qc.
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1989 c4
Hi everybody, i own a 89 c4 i plan to put a Borla cat back system (maybe delete the cats) CAI and a Hypertech stage 2 chip do i forget something??? And, how much hp gain should i expect??

sorry if i make mistakes the way i write i'm french so i do my best:(

thanks for help

st
 

87stocker

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Feb 25, 2009
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Get a set of hedders. Heddman Elites are very nice. Scrap the chip idea, and get some high flow runners, and a lower intake and port the upper to match the runners. After that, get a cam, and gasket match your heads. The 113 heads on 88+ are a nice portable head. Get a true dual exhaust and you will be very surprised how much gaing you will get. Trust me I have done it all before.
 

stef 89

Member
Jun 28, 2009
33
1
Awards
2
st jean-sur-richelieu qc.
VetteCoins
300
Car
1989 c4
Get a set of hedders. Heddman Elites are very nice. Scrap the chip idea, and get some high flow runners, and a lower intake and port the upper to match the runners. After that, get a cam, and gasket match your heads. The 113 heads on 88+ are a nice portable head. Get a true dual exhaust and you will be very surprised how much gaing you will get. Trust me I have done it all before.

thanks, sounds good! i'll these infos
 

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