Yoshimura Race Series Dirt Bike Exhaust

FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE

If you're looking for that competitive edge, look no further than our Race Series. These exhaust systems are designed with nothing but power in mind. Each Race Series system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide.

Features:

• All applications are marked with appropriate EPA noise emissions labels
• Has not been tested for EPA noise compliance
• RS-4 - a unique design that provides an unrivaled combination of power and a quiet exhaust note. The RS-4 features a Polyresonant duplex chamber, a two-staged stepped baffle and an innovative carbon cone end cap.
• Pentagonal-shaped sleeve
• Front muffler cap functions as a polyresonant chamber which helps reduce noise
• Two-stage stepped baffle

FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE

If you're looking for that competitive edge, look no further than our Race Series. These exhaust systems are designed with nothing but power in mind. Each Race Series system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide.

Features:

• All applications are marked with appropriate EPA noise emissions labels
• Has not been tested for EPA noise compliance
• The RS-4 features a Polyresonant duplex chamber, a two-staged stepped baffle and an innovative carbon cone end cap.
• Pentagonal-shaped sleeve
• Front muffler cap functions as a polyresonant chamber which helps reduce noise
• Laser-cut heat shield on polyresonant chamber
• Two-stage stepped baffle

FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE

If you're looking for that competitive edge, look no further than our Race Series. These exhaust systems are designed with nothing but power in mind. Each Race Series system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide.

The RS-2 is a potent and versatile design that evolved from our original TRC, engineered to provide increased power and power delivery. With a different pyramidal shape that features increased volume, the RS-2 is a quieter system with a larger core — and it offers the added bonus of outstanding performance in a value-priced package.

Features:

• Each Race Series system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide.
• All applications are marked with appropriate EPA noise emissions labels
• Has not been tested for EPA noise compliance
• The RS-2 is a quieter system with a larger core and it offers the added bonus of outstanding performance in a value-priced package.
• Diamond-shaped sleeve
• Large core and increased muffler packing volume means quieter operation
• Stainless steel cone end-cap
• USFS Approved spark arrester included

FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE

If you're looking for that competitive edge, look no further than our Race Series. These exhaust systems are designed with nothing but power in mind. Each Race Series system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide.

The RS-2 is a potent and versatile design that evolved from our original TRC, engineered to provide increased power and power delivery. With a different pyramidal shape that features increased volume, the RS-2 is a quieter system with a larger core — and it offers the added bonus of outstanding performance in a value-priced package.

Features:

• Diamond-shaped Stainless steel sleeve for increased durability.
• Large core and increased muffler packing volume means quieter operation
• Stainless steel cone end-cap
• Stainless steel tail-pipe
• USFS Approved spark arrester included