![Dinan Free Flow Axle-Back Exhaust | F10 M5 | 4.4L Turbo V8 [S63] E85 · E86 Z4 M 3.2L I6 [S54] Available in 2](https://cdn.shopify.com/s/files/1/0635/0032/1015/files/DinanFreeFlowAxle-BackExhaustF10M54.4LTurboV8_S63.png?v=1740772621)
Pay in 4 interest-free payments of $264.37 Learn more
Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
Available in 2
CNC-machined connection points
Sport springs lower the vehicle's center of gravity
like the factory units
Barbed hose connection points for a slip proof fit
Dinan Free Flow Axle-Back Exhaust | F10 M5 | 4.4L Turbo V8 [S63] E85 · E86 Z4 M 3.2L I6 [S54] Available in 2Dinan's Free Flow Axle Back exhaust system features 100% stainless steel construction measured to exact specifications to ensure proper fit via factory hangers and mounting points. Dyno tuned for maximum exhaust flow with minimum backpressure, this system is designed to provide a more aggressive sound under acceleration while reducing drone inside the vehicle, thanks to Dinan's exclusive Helmholtz Chamber and Butterfly Valve technologies. The exhaust
