This is the 3" Secondary Catalyst Bypass for BMW F80 M3 & F82/F83 M4. It fits with Milltek Sport cat back only and either Milltek Sport or OEM stock downpipes.
Note: No reducers are required for the fitment of this system
BMW 3 Series F80 M3 Saloon 2014+
BMW 4 Series F82/F83 M4 Coupe/Convertible 2014+
SSXBM1032
Manufactured by
MillTek
Warranty
MillTek 2 year warranty