BMW M Performance Titanium Complete Exhaust System for F80 M3 & F82 M4From the race track onto the street: This lightweight valve exhaust system with titanium silencer produces a highly emotional array, racing like sound. It was developed especially for the F80 M3 and F82 F83 M4. Complimented with two 80 mm twin tailpipes made of titanium with an M logo to give the vehicle a distinctive look. Alternatively, 93 mm tailpipes made of carbon with the M logo can also be selected. The M Performance silencer system gives the