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AWE Tuning SwitchPath Cat-Back Exhaust for BMW G8X M3/M4 - Diamond Black Tips

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Original price $3,352.63
Original price $3,352.63 - Original price $3,352.63
Original price $3,352.63
Current price $3,185.00
$3,185.00 - $3,185.00
Current price $3,185.00

Presenting the first AWE SwitchPath™ configuration for BMW to incorporate patented drone-canceling 180 Technology®. No drone, minimal bends, maximum flow, and push-button attitude. The SwitchPath™ Exhaust is comprised of 3-inch U.S.-sourced T304L stainless steel, a precision x-pipe, and a valved SwitchPath™ muffler tuned specifically for the S58. Beginning after factory mid pipe, the precision X-pipe immediately helps smooth the S58 of its rasp, deepening the tone before its refined further by the bespoke SwitchPath™ muffler in the rear. When the valves are closed, the SwitchPath™ Exhaust produces a refined, aggressive howl while remaining full-bodied and powerful – no congested, metallic sounds when on the throttle. At cruising speeds, interior acoustics are close to stock with no drone at cruising speeds. AWE SwitchPath™ tech also responds perfectly to the many transmission settings and shift points in automatic vehicles. Drop the hammer with the valves closed and SwitchPath™ sings a proper M anthem. If you were to leave the valves closed at all times after equipping SwitchPath™, we wouldn’t blame you — it’s that good… all of the time. Open the valves and the S58’s roar is uncorked. Sport and Sport+ modes achieve the ultimate contrast in behavior when compared to comfort driving modes (valves closed). In Sport mode, the exhaust note is powerful, clean, and aggressive. In Sport+ mode, the same aggression applies… but with grin-provoking burbles. Thanks to the precision X-pipe, the rasp is still kept in check while allowing the exhaust note to reach full aggression.If you’re looking for the best of both worlds (i.e. drone-free, clean aggression), and want to retain your factory valve behavior all while gaining peace of mind (i.e. emissions compliance), look no further than SwitchPath™. And when it comes to showing off the party out back, the system comes with quad 4.5” double-walled, slash-cut tips available in chrome silver or diamond black.

  • AWE's first SwitchPath™ Exhaust for BMW to incorporate drone-canceling 180 Technology®
  • SwitchPath™ retains factory valve controls, no additional remote needed
  • Quad 4.5” double-walled, slash-cut tips available in chrome silver
  • Less is more: clean, straight-through design maximizes performance
  • Optional non-resonated performance mid-pipes available separately
  • 50-state emissions-complaint dual 3” exhaust configuration
  • Max gains of 3 hp and 5 lb-ft of torque at the wheels
  • Bespoke X-pipe unlocks a smooth tone out of the S58
  • Ball socket mounting points for easy installation
  • Fits stock and M-Performance valances
  • AWE Perfect Fitment Guarantee
  • Manufactured in-house at AWE
  • AWE Lifetime Warranty
  • AWE No CEL Guarantee

This Part Fits:

Year Make Model Submodel
2021-2026 BMW M3 Base
2021-2026 BMW M3 Competition
2022-2026 BMW M3 Competition xDrive
2024 BMW M3 CS
2021-2026 BMW M4 Base
2021-2026 BMW M4 Competition
2022-2026 BMW M4 Competition xDrive
2025 BMW M4 CS
2023 BMW M4 CSL

Processing & Shipping Overview

Processing occurs before shipping.

Most in-stock items typically process within 2–3 business days before shipment or pickup. Expedited shipping options affect transit time after an order ships and do not speed up processing.

Made-to-order, special-order, vendor drop-ship, and freight items require additional processing time before shipping. Any extended lead times will be noted on the product page when applicable.

For the most up-to-date order status or lead time questions, please contact sales@smgspeed.com or use live chat during business hours.



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