Yoshimura RS-4 Full System Exhaust
The work that went into developing the RS-4 muffler design paid big dividends
in 2010 with Ryan Dungey winning the AMA 450 Supercross and Motocross Championship
series as a rookie in the same year, and again in 2012 with the Yoshimura-backed
GEICO Honda team winning both 250 Supercross Lites titles. That same R&D
has been directed to developing the current generation RS-4 a unique design
that provides an unrivaled combination of...
Yoshimura RS-4 Full System Exhaust
The work that went into developing the RS-4 muffler design paid big dividends
in 2010 with Ryan Dungey winning the AMA 450 Supercross and Motocross Championship
series as a rookie in the same year, and again in 2012 with the Yoshimura-backed
GEICO Honda team winning both 250 Supercross Lites titles. That same R&D
has been directed to developing the current generation RS-4 a unique design
that provides an unrivaled combination of...
Yoshimura RS-4 Full System Exhaust
The work that went into developing the RS-4 muffler has paid big dividends
in Off-road Racing; winning multiple Supercross and Motocross titles since it's
inception. Yoshimura have developed the current generation RS-4 based on that
research & development, and the result is a unique design that provides
an unrivaled combination of power and quiet exhaust tone. The RS-4 features
a Polyresonant duplex chamber and two-staged stepped...
Yoshimura RS-4 Full System Exhaust
The work that went into developing the RS-4 muffler has paid big dividends
in Off-road Racing; winning multiple Supercross and Motocross titles since it's
inception. Yoshimura have developed the current generation RS-4 based on that
research & development, and the result is a unique design that provides
an unrivaled combination of power and quiet exhaust tone. The RS-4 features
a Polyresonant duplex chamber and two-staged stepped...