MilltekSecondary Catalyst BypassFitment: BMW G8X M3 M4

Overview

Non-resonated 102mm single mid pipe for BMW G8X M3 and M4 (S58 engine). Direct fitment to OE axle back or compatible with Milltek Axle Back systems. Engineered for closed-course and track use.

T304L stainless steel, mandrel-bent construction with hand-finished welds. Designed to eliminate secondary catalytic restriction while maintaining OEM+ mounting points and hanger compatibility. Ships August 1, 2024.

Details

Fitment:

• BMW M3 G80 (2021+)
• BMW M4 G82/G83 (2021+)
• Works with OE axle back (SSXBM1339) or Milltek Axle Back (SSXBM1340)

Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Fitment