For Z3 Z4 Z8 Roadster 2.5" In/Out 16" Long Exhaust Silencer Resonator Muffler
1Pcs Mufflers Resonator(No Instruction). Designed to dampen exhaust noise, Facilitates undisrupted exhaust flow. The muffler that was quieter with a mild tone. High performance universal muffler. Overall Length: 16 in.