*Prop65 Warning:This product contains materials known to the State of California to cause cancer and birth defects or other reproductive harm.*
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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.
