BMW f80 f82 M3 M4 Akrapovic exhaust system with valves

BMW f80 f82 M3 M4 Akrapovic exhaust system with valves

Akrapovic titanium exhaust system (catless, turbo-back)
consisting of

catless downpipes,
catless rear catalytic converter replacement pipe
, mid-section, and valved rear muffler.

The slip-on rear muffler has ECE approval and can be driven legally without registration.