B2B PRODUCT
BMW 4 Series F82/83 M4 Coupe/Convertible & M4 Competition Coupé (Non-OPF equipped models only) 2014 2018 Secondary Catalyst Bypass Resonated - Fits with Milltek Sport cat back only (Standard & Equal Length) and either Milltek Sport or OE prim
No stock
Out of stock
-20%
Product information
BMW 4 Series F82/83 M4 Coupe/Convertible & M4 Competition Coupé (Non-OPF equipped models only) 2014 2018 Secondary Catalyst Bypass Resonated - Fits with Milltek Sport cat back only (Standard & Equal Length) and either Milltek Sport or OE primary downpipes