RS-4 is a unique design that provides an unrivaled combination of power and a quiet exhaust note.
The RS-4 features a duplex chamber, a two-staged stepped baffle and an innovative carbon cone end cap. The RS-4 muffler is offered in aluminum, Titanium or carbon fiber. Both Titanium and Stainless Full Systems are available. Stainless systems come with both a 94db and AMA 2-m Max sound insert. Titanium and Carbon Fiber systems are equipped with a 94dB sound insert installed and 2-Meter max inserts as an option sold separately.
- Pentagonal-shaped sleeve
- Front muffler cap functions as a polyresonant chamber which helps reduce noise
- Two-stage stepped baffle
- Carbon fiber end-cap
- Titanium header and tail-pipe
- Weight: 0.7 lbs lighter than stock configuration
Repack Kits, optional Inserts are available for all models
Instructions and Parts Diagram Instructions / Parts Diagram