I am happy with the exhaust note from my Dinan catback pipes. People (wife, kids, neighbours) notice it and tease me about it but it's not obnoxious, which is important. It's much sportier-sounding than stock. I live in CA and want to keep the car emissions-legal so no muffler delete or downpipe (which are too radical for me on a still-warrantied, high-end car anyway).
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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
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