Had Dinan XPipe + AA Rear.
Too much drone and headache producing.
Switched to M Perf Rear + ACM Test Pipes.
Excellent. Perfect for this car. Much more exotic and refined sounding than previous setup. This belongs on an M3. Absolutely no drone. Keeps the BMW a BMW and test pipes add the performance.
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2014 M5 Competition Alpine/Sakhir
BMS Tune. Undercover Performance Custom Downpipes & Connector. H&R 10mm Spacers. BMW CF Rear Spoiler. IND Cosmetics. ALP & BEL Radar & Laser.
2011 Space Grey E92 M3 AA Gen 2 Lvl 3 586whp 398wtq SAE (sold)
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