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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
The throttle becomes more responsive with increased acceleration and torque evident from 3500 RPM to the redline
Install takes under one minute
high-quality materials
A cleaner more consistent weave
Active Autowerke Gen-2 Signature Rear Exhaust - E9X M3 Big Brake Kit The throttle becomes more responsivePrecision engineered for true BMW enthusiasts, the Active Autowerke E9X M3 Signature Rear Exhaust Gen. 2 delivers the perfect balance of power, tone, and refinement. Constructed from 100% 304 brushed stainless steel, this system embodies performance and craftsmanship with a weight advantage and acoustic design that set it apart. Featuring large 3 inch mandrel bent piping, the Gen. 2 Signature Exhaust dramatically improves exhaust flow while
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