Milltek HJS Tuning ECE Sports Cat & Downpipe - BMW 3 Series G20 | G21 M340i 4 Series (F32 / F33) Build on Stage 2 files

Build on Stage 2 files but take everything a bit further

Supersprint Rear exhaust right OO80 - left OO80

6061 T6 Treated Forged Aluminium

-front section/front silencer

This ECU remap is for installation at Evolve

Milltek HJS Tuning ECE Sports Cat & Downpipe - BMW 3 Series G20 | G21 M340i 4 Series (F32 / F33) Build on Stage 2 filesFits to Milltek Sport and OE Cat Back Systems 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