I'd say 17% is a more accurate measure if your whp was measured on a Dynojet. Stock G37 coupe is rated at 330bhp. Almost every dyno for a stock G37 on a DJ is about 275whp. That's approx 17% loss ( 275whp / 0.83% = 331bhp)
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08 G35 5AT Sedan | Stillen CBE | Invidia HFC | Injen CAI | Uprev Tune | Akebono BBK | Tanabe Coilovers | Hotchkis Sway Bars | GTSpec FSB | Black Headlights & Grille | Volk GT-F Wheels | Hankook V12 Evo Tires
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