Quote:
Originally Posted by luigi90210
the advertised 412whp on their tune with their carb approved kit, plus i imagine you would also make more power assuming you live near sea level, I would just swap the pulley, impeller and bpv and custom tune it and call it a day, at sea level that should be an easy 500whp
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You lose the CARB approval when you start swapping out the kit's componants. Ain't nothing easy about getting 500whp out of the Stillen kit. Many have tried.