![Dinan Free Flow Axle-Back Exhaust | F22 · F23 M235i | 3.0L Turbo I6 [N55] Variant:With M-Performance Rear Valance NEUSPEED Rear Spring Rate: 170](https://cdn.shopify.com/s/files/1/0635/0032/1015/files/DinanFreeFlowAxle-BackExhaustF22_F23M235i3.0LTurboI6_N55.png?v=1740786640)
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NEUSPEED Rear Spring Rate: 170 lbs/in
using a silicone material prevents wear and ratting found with aluminum runners
While the soft factory bushings do a good job of damping engine vibration
and increased boost pressures for faster 0-60 times and stronger acceleration
leaving no hidden power behind
Dinan Free Flow Axle-Back Exhaust | F22 · F23 M235i | 3.0L Turbo I6 [N55] Variant:With M-Performance Rear Valance NEUSPEED Rear Spring Rate: 170Dinan engineers designed the F22 BMW M235i exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Dinan also incorporates a Helmholtz chamber design that reduces resonance or "drone" at low RPM. The system is built to exacting specifications to ensure the perfect fit using the factory hangers. It
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