Husqvarna Norden 901 Yoshimura Stainless RS-4 Street Series Slip-on - with Carbon end cap

The work that went into developing the RS-4 silencer has paid big dividends in Off-road racing, winning multiple Supercross and Motocross titles since it's inception. The current generation RS-4 is based on that research and development, and the result is a unique design that Provides an unrivalled combination of power and quiet exhaust tone. Pentagonal Shaped sleeve Front silencer end cap functions as a polyresonant chamber which helps reduce noise Laser-cut heat shield on polyresonant chamber Two-stage stepped baffle Turn-out carbon fibre end-cap Stainless steel header and tail-pipe