MAD S58 Axle Back Exhaust - F97 X3M | F98 X4M

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 F972019 - 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.