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aFe MACHForce XP Exhaust Cat-Back 2.5in Dia Carbon Fiber Tips SS-304 08-13 BMW M3 (E90) V8 4.0L - 49-36311-C
The Mach Force XP cat-back exhaust system produces 11 hp and 10 lbs./ft. of torque. constructed from 2.75 in. mandrel bent 304 hand brushed stainless steel and utilizes a unique crossover pipe that...