BMW M4 Performance Exhaust - AWE Tuning - SwitchPath Cat-Back, Valve-Controlled, Quad 4.5 in Double-Walled Slash-Cut Tips (Diamond Black), 180 Technology - Diamond Black - `21-`27
BMW M4 Performance Exhaust - AWE Tuning - SwitchPath Cat-Back, Valve-Controlled, Quad 4.5 in Double-Walled Slash-Cut Tips (Diamond Black), 180 Technology - Diamond Black - `21-`27
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BMW M4 Performance Exhaust by AWE Tuning: SwitchPath Cat-Back with valve control and Quad 4.5 in Diamond Black double-walled, slash-cut tips for 2021–2027. Retains factory valves and uses 180 Technology to reduce drone.
Dual 3 in architecture with a bespoke X-pipe brings civility when closed and a richer S58 tone when open—no extra remote required. Tested gains up to 3 hp and 5 lb-ft at the wheels. 50-state emissions compliant, built in-house by AWE with their Perfect Fitment and No CEL Guarantees, plus a Lifetime Warranty. Fits stock and M Performance valances.
Features
- Retains factory valve control
- 180 Technology reduces cabin drone
- Quad 4.5 in Diamond Black double-walled tips
- Dual 3 in layout with X-pipe; 50-state compliant
- Ball-socket mounts; fits stock and M Performance valances
Questions or ready to schedule? Call our Austin, TX shop at 512-982-9393 or our Los Angeles, CA area shop at 562-981-6800. We offer installation and customization at both locations.
Buying multiple items? Contact us for combined shipping discounts. We install on premises at both locations.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Need Assistance?
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Call us at 512-982-9393 (Austin, TX) or
562-981-6800 (Signal Hill, CA)
and get assistance from one of our sales team members!
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