Muffler Type: RS-4. Materials: Stainless/stainless/carbon. EMIS Category: 3.

• A unique design that provides an unrivaled combination of power and a quiet exhaust note
• Pentagonal-shaped sleeve
• Front muffler cap functions as a polyresonant chamber which helps reduce noise
• Two-stage stepped baffle
• Turn-out carbon fiber end-cap
• Stainless steel tail-pipe