These products are designed, manufactured, intended, and sold for use on vehicles that are operated only on closed course racing circuits unless otherwise noted. Use of these products on public roads or
lands is strictly prohibited and may be a violation of local, state, or federal laws. Products intended for use on vehicles operated on public roads or lands are clearly so indicated. ©Yoshimura R&D of America 2013.
See the latest in championship-winning performance products at www.yoshimura-rd.com
ALUMINUM TITANIUM CARBON FIBER
The work that went into developing the RS- 4 muffler and full system paid big dividends in 2012, with the Yoshimura-backed
GEICO Honda team winning two AMA Supercross Lites Championships. That same R&D has been directed to developing
the current generation RS- 4 — a unique design that provides an unrivaled combination of power and a quiet exhaust note.