Milltek Axle Back - BMW G80 | G81 M3 | G82 M4 Competition E-AMG Coupe (C238) Axle-back-system L/R: for BMW X4

Axle-back-system L/R: for BMW X4 M & X4 M Competition F98 S58 (with GPF)

an exquisite high-performance car that can be made even better by adding an Akrapovič Slip-On exhaust system

Holder for control unit

First up in our G8X M3 & M4 product range

Replaces the OEM ceramic cat for improved gas flow and performance

Milltek Axle Back - BMW G80 | G81 M3 | G82 M4 Competition E-AMG Coupe (C238) Axle-back-system L/R: for BMW X4Axle Back System Our range of Cat Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system, available in multiple configurations enabling the owner to choose the increase in volume of their exhaust and or add a more suitably aggressive tone. All our products are made from 304L Aircraft Grade stainless steel. This quality material will ensure that your