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If you add in exhaust system, remap then the total increase was 20-25bhp but the throttle body and plenum alone was just over 5bhp. All with before and after on dyno. The butt dyno always felt stronger to me too but the reality is it's not as much as you feel.
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Current: 550 Spyder Anniversary- Carnewal exhaust - 100 cell cats - stainless manifolds - 4" underdrive pulley - poly gearbox mounts - rear lower alu brace - adjustable rear toe links
Sold: 986S - Zenith Blue - 18" Sport Classics - Black Zunsport grilles - Stainless silencer and manifolds - K&N panel - shortshift - M030 suspension - 75mm throttle body - custom 83mm intake - SmartTop - custom remap - MDS underdrive pulley
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