The Evolve 3" catless downpipes for the F80 M3 & F82/F83 M4 made in Stainless steel. By eliminating the restrictive catalytic converters in the factory downpipes, backpressure is reduced significantly which results in a faster spool, an increase in power & a more aggressive exhaust note.
DISCLAIMER
This item is not intended for use on the public road (track use ONLY) as it does not comply with UK emission standards.
