Milltek Cat-Back System - BMW 3 Series G20 | G21 M340i M6 The Evolve software makes a

The Evolve software makes a significant change to how the E46 M3 drives and accelerates

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Utilising a two-piece 380mm x 36mm floating design allows the disc and hat to expand radially and axially as they absorb heat generated from hard use

LEIB CAN EXHAUST BASIC - for easy control

This cone effectively helps airflow disperse across the filter without turbulence

Milltek Cat-Back System - BMW 3 Series G20 | G21 M340i M6 The Evolve software makes aNOT ROAD LEGAL Removes OPF GPF Requires Stage 2 ECU Remap 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.