Yoshimura Yamaha WR250X 08-13 Race RS-4 Stainless Slip-On Exhaust SS-SS-CF

Description

The work that went into developing the RS-4 muffler design paid big dividends in 2010 with winning the AMA 450 Supercross and Motocross Championship series, and again in 2012 winning both 250 Supercross Lites titles. That same R&D has been directed to developing the current generation RS-4 for Road Racing 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
• Stainless steel muffler sleeve for increased durability
• Two-stage stepped baffle
• Turn-down carbon fiber end-cap
• Stainless steel tail-pipe

Yoshimura Race Series Exhaust Systems – 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. FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE.

Yoshimura RS-4 Muffler Option Key:

RS-4 (SLIP-ON OR FULL SYSTEM) SS-SS-CF:
Stainless Steel Sleeve with Carbon Fiber End-Cap

RS-4 (SLIP-ON OR FULL SYSTEM) SS-CF-CF:
Carbon Fiber Sleeve with Carbon Fiber End-Cap

Availability: STG Part Number:
Y|2484-133002D520|1 Manufacturer’s Part Number: Other Details Department
Exhaust
Manufacturer
Yamaha
Product
Slip On Exhaust
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