Unlock the true potential of your BMW X3M or X4M with the MAD Axle Back Exhaust. Designed to deliver a sporty, deep, and aggressive sound, our axle back system comes with three stunning tip options: brushed, black, and carbon fiber.

Key Features:

• Three Tip Options: Choose from brushed, black, or carbon fiber tips to match your style.
• Stock Valve Integration: Reuses the stock valves for full control over the sound level,
• Versatile Sound Control:
  1- Valves Closed: All air passes through the muffler for a quiet ride.
  2- Valves Open: Air is split between the muffler and muffler bypass for a sporty, aggressive sound without excessive drone or rasp.
• Improved Sound Quality: Replaces the muffled stock tone with a rich, dynamic exhaust note.
  Fitment:

2019 - 2023 BMW X3M F97
2019 - 2023 BMW X4M F98

Elevate your BMW X3M or X4M's sound with the MAD Axle Back Exhaust and experience the thrill of a true performance vehicle.