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AWE SwitchPath Axle-Back for the 2018–2019 BMW M5 (F90) 4.4T AWD keeps the factory mid-section and valve behavior while trimming rear weight and preserving a 3" flow. It pairs with optional Performance Mid Pipes to build a full system and features 4" double-walled AWE tips finished in Diamond Black, each adjustable for bumper depth. Important fit note: adding Performance Mid Pipes or installing an Axle Back may require cutting unless both are installed together.
AWE Tuning 18-19 BMW M5 (F90) 4.4T AWD SwitchPath Axle-Back Exhaust - Diamond Black Tips
