Transform the sound and appearance of your BMW M3 or M4 G8X with the Milltek Sport Axle Back Exhaust System featuring polished GT-115 tips. ECE approved and road-legal across the UK and Europe, this is the definitive axle-back upgrade for the S58-powered G80/G81/G82/G83 generation.
Designed as a direct replacement for the OEM rear exhaust section, this system delivers a significantly improved exhaust note — deeper, more purposeful, and befitting the performance credentials of the M3 and M4. The electronically controlled valved design integrates with the BMW's active exhaust system for quiet, civilised cruising and an exhilarating sound under hard acceleration.
Manufactured from 304L aircraft-grade stainless steel in the UK, the system is finished with polished GT-115 round exhaust tips that complement the aggressive styling of the G8X M cars. Whether you own an M3 Competition, M3 Touring, M4 Competition, or xDrive variant, this system is confirmed to fit the full G8X family.
