Anybody know what whp gains to expect fro Stillen G23 intake, high flow cats/TP, and exhaust? I'm assuming they are not additive even with a tune. Maybe 35-40 whp?
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2016 Cayman GTS 6MT / 2017 Q60 Sport / 2012 Acura TL SH-AWD / 2015 Lexus IS 350 AWD F-Sport (Sold) / 2009 PG 370Z Sport 6MT, (Sold) / 2003 SS 350Z Enthusiast 6MT (Sold)
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