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Re: C4 mod questions
Simple mods -
gutted airbox
K&N
airfoil
port the runners to match the TPI plenum (get an AFPR at the same time, you have to take off the plenum to install the AFPR anyway)
computer chip
mufflers
coolant bypass (reroute the coolant hoses that go to the throttle body)
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98 SSEi
00 Grand Prix GT
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