aFe MACHForce XP Exhaust Cat-Back 2.5in Dia SS-304 Polished Tips 07-13 BMW M3 (E92/93) V8 4.0L turn14-in-stock Weak spark from your ignition

Weak spark from your ignition system can result in misfiring under high-load driving

Manufacturer Part # : KSA04

ACT's street rigid-hub discs provide race-proven performance with street manageability

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Registered design right number: 6093147

aFe MACHForce XP Exhaust Cat-Back 2.5in Dia SS-304 Polished Tips 07-13 BMW M3 (E92/93) V8 4.0L turn14-in-stock Weak spark from your ignitionManufacturer Part # : 49 36312 P Market Description 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 helps to equalize exhaust pressure and tunes the exhaust pulse. Comes with dual 3. 5 in. polished 304 stainless steel tips and muffler to build a mellow yet powerful sound. Engineered and manufactured in