3" In/Out 12" Exhaust Resonator Muffler Deep Tone For Audi S3 S4 S6 TTS TT RS
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: 12 in.