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Cams and lower intake are only parts not attributed to in SGP stages. Just a guess-timation that it would add about 20 more HP. : Hey I was just wandering about how much horsepower these mods would give me? I have a 91 N/A.
: SGP Street Head Package : SGP Ported & Polished Lower Intake : SGP Ported Throttle Bodies : JWT Racing Cams : JWT ECU Upgrade : JWT NOS System : K&N Air Intake System : Stillen Headers : Greddy Exhaust : Unorthodox Racing Underdrive Pulley : 370 cc Injectors
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