Well I have a 99 Pontiac Grand Prix GT with the following modifications:
-Supercharged Engine Swap
-Ported exhaust manifolds
-Full 3" exhaust
-Custom Intake
-3.25" supercharger pulley (3.8" is stock)
-1.9 roller rockers (1.6:1 is stock)
-Custom PCM tune
I managed to put down 230whp and 290wtq
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