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The Dinan FreeFlow is a really good exhaust. Really nice tone, raucous under heavy throttle, civilised otherwise, sounds good when you start it up, too. Adds 5 HP!
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2015 BMW 228i M Sport w/Track Handling Package
DAP | Lighting | Premium | Tech
DINANTRONICS Performance Tuner Stage 1 | DINAN Shockware | DINAN Free Flow Exhaust | DINAN Performance Spring Set + Ride Quality and Handling Kit |