Unleash the aggressive roar of the S58 engine with the AWE SwitchPath™ Axleback Exhaust for the BMW F97 X3 M and F98 X4 M. Featuring AWE's patented drone-canceling 180 Technology®, this 50-state emissions-compliant system retains complete factory valve control using OEM valve motors with no extension harnesses required. It integrates seamlessly with the factory mid pipes or AWE Performance Mid Pipes, unlocking up to 9 hp and 2 lb-ft of torque at the wheels with a clean, straight-through design. Finished with quad 4.5” double-walled slash-cut tips in Diamond Black, this exhaust is handcrafted in-house at AWE and backed by our No CEL Guarantee, Perfect Fitment Guarantee, and Lifetime Warranty.

• Bespoke X-pipe in the non-resonated Performance Mid Pipes delivers a refined S58 tone when paired with SwitchPath™
• Performance Mid Pipes are designed to work seamlessly with the factory axleback, or AWE Axleback
• Axleback is compatible with factory or aftermarket mid pipes that maintain the OEM break point
• Retains full factory valve behavior using OEM valve motors—no extension harnesses needed
• Available as a valved Axleback; modular Performance Mid Pipes sold separately
• Max gains of 9 hp and 2 lb-ft of torque at the wheels (Axleback + Mid Pipes)
• Quad 4.5” double-walled slash-cut tips in chrome silver or diamond black
• SwitchPath™ Axleback features drone-canceling 180 Technology®
• Clean, straight-through design for maximum performance
• AWE Perfect Fitment Guarantee
• 50-state emissions-compliant
• Handcrafted in-house at AWE
• AWE Lifetime Warranty
• AWE No CEL Guarantee

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