Oem M Perf exhaust vs Dinan exhaust (sound)???
Anyone heard both (M perf and Dinan) in person? The M perf can be had for $750 vs Dinans $1800...i do like the sound of dinan but is it worth extra $1k?
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2006 325xi (Sold)
2014 M235I (Current)
2015 428xi Gran Coupe (STB)
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