Quote:
Originally Posted by jan9
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I think I've figured it out.
Both the full sport and race systems have an intermediate muffler. The sound pipe deletes the muffler. The race and sport differ in the back box design.
Please correct me if I'm wrong!
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Current mods: Forge FMIC, N55 Midpipe, Alcantara Steering Wheel, OEM 2012 LCI Black lines, BMW Performance grilles and pedals, Ohlins R&T suspension, Supersprint Exhaust, BMS Charge Pipe, Forge Diverter Valves