BMW M5 Performance Exhaust - Dinan - Axle-Back, Freeflow, Black Tips, Helmholtz Chamber, Butterfly Valve - Black - `12-`16
BMW M5 Performance Exhaust - Dinan - Axle-Back, Freeflow, Black Tips, Helmholtz Chamber, Butterfly Valve - Black - `12-`16
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BMW M5 Performance Exhaust by Dinan — Axle-Back, Free Flow, Black Tips (2012–2016). Built for the F10 M5, it delivers a deeper, throatier note while preserving daily comfort.
Crafted from 100% 304 stainless steel with a straight-through canister, this axle-back is dyno-tuned for improved flow and response. Dinan’s Helmholtz chamber and butterfly valve help curb cabin drone, giving authority under acceleration and composure at cruise. Quad 3.5 in. laser-engraved ceramic black tips install using factory brackets and hangers for a precise, factory-like fit. Reported gains up to +8 hp.
Features
- 100% 304 stainless steel construction
- Helmholtz chamber and butterfly valve reduce drone
- Straight-through canister; dyno-tuned flow
- Quad 3.5 in. ceramic black, laser-engraved tips
- Uses factory brackets and hangers
Questions or ready to order? Call us at 512-982-9393 (TX) or 562-981-6800 (CA). We serve Austin, Texas and the Los Angeles, California area with professional installation and customization services.
Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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Call us at 512-982-9393 (Austin, TX) or
562-981-6800 (Signal Hill, CA)
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