BMW Introduces the New M3 & M4 M Performance Exhaust

Want to give your new M4 a voice? BMW has released its first official details on the M3 and M4 performance exhaust that is 32% lighter than the stock system while sounding more than 32% better. Crucially, the system is tied into the driving modes of the car. That means Efficient Mode sounds better but Sport and Sport + mode sound the business.

The system will be available to order this September.

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