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      01-05-2012, 11:36 AM   #12
HP Autosport
Supreme Allied Commander
United_States
3776
Rep
54,162
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Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com

iTrader: (36)

15 hp and 15+ ft/lb gain at the wheels from the Mad Dad and Borla Muffler combo.

See post #1 for dyno chart.
Appreciate 0