Thread: ♦ Sonic MS | Remus "USS ST. RACE" Exhaust System w/ CF tips for E82 1M Coupe
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      03-17-2012, 02:30 AM   #4
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Quote:
Originally Posted by Cal@Sonic MS View Post
Remus estimates gains of about 10-15hp /12 ft.lb of torque on an otherwise stock engine.
Is this gain for both the street and race versions ?
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