BMW M4 Performance Exhaust - AWE Tuning - SwitchPath Cat-Back, dual 3 in piping, quad 4.5 in double-walled slash-cut tips, valve-controlled with 180 Technology, 50-state emissions compliant - Chrome Silver Tips - `21-`27
BMW M4 Performance Exhaust - AWE Tuning - SwitchPath Cat-Back, dual 3 in piping, quad 4.5 in double-walled slash-cut tips, valve-controlled with 180 Technology, 50-state emissions compliant - Chrome Silver Tips - `21-`27
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BMW M4 Performance Exhaust – AWE Tuning SwitchPath Cat-Back, Chrome Silver Tips (2021–2027). Valve-controlled, 50-state compliant, dual 3" piping with quad 4.5" double-walled slash-cut tips.
SwitchPath keeps factory valve control—no extra remote—and adds 180 Technology to curb drone. A straight-through layout and bespoke X-pipe bring a smooth S58 tone with gains up to 3 hp and 5 lb-ft at the wheels. Ball-socket joints ease install, and AWE backs it with Perfect Fitment, No CEL, and a Lifetime Warranty. Optional non-resonated mid-pipes sold separately.
Features
- Dual 3" cat-back; factory valve control (SwitchPath)
- Quad 4.5" double-walled slash-cut Chrome Silver tips
- 50-state compliant; 180 Technology drone control
- Fits stock and M-Performance valances
Questions or to schedule install/customization? Call Austin, TX at 512-982-9393 (TX) or our Los Angeles area shop at 562-981-6800 (CA). 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)
and get assistance from one of our sales team members!
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