Yoshimura Yamaha YZ250F 24-25 RS-12 Stainless Full Exhaust System

Yoshimura RS-12 Stainless Full Exhaust System

Yoshimura's research and development team recognized that the new YZ250F had untapped potential. Both dyno testing and on-track performance indicated room for improvement, prompting the team to optimize the new Yamaha's exhaust system.

Adjustments to the specifications confirmed what the 2024 YZ250F was signaling—the revised RS-12 Signature Series full system delivered a 2.5% increase in max horsepower and a 2.8% increase in max torque over the stock setup. This achievement underscores Yoshimura's commitment to developing and testing each product to ensure peak performance.

The RS-12 muffler boasts numerous features, including the PTF insert system for easy insert changes and an optimized muffler shape that enhances volume and provides additional brake caliper clearance.

Proudly designed, developed, and manufactured in Chino, California, Yoshimura's RS-12 system reflects a dedication to quality and performance.

FEATURES

• Aggressive, intelligently designed, asymmetrical shaped RS-12 profile allows maximized muffler volume that helps manage sound, add power and provide more clearance for tire and brake caliper.
• Improved performance gains: 2.5% increase in max horsepower and a 2.8% increase in max torque over the stock setup.
• Just like the works systems our Factory Racers use, RS-12 systems utilize precision machined joints. Machined joints provide a superior and exacting fit for joints by better securing the seal between two surfaces with a perfect 360 degree contact surface which translates into improved system life, fit and performance.
• Works-look matte carbon fiber end cap with industry leading design, innovation and detailing as expected from Yoshimura.
• Carbon end cap covers an inner cap mounted design improves durability, and eases servicing as compared to other sandwich mounting designs most commonly found in the industry.
• New patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters.
• Tapered muffler body inlet design of RS-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance.

Please note: This product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and aftermarket accessories not found on a bike as delivered from the factory may not be compatible with this product. 

This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility, including fitment and performance, may vary by marketplace.

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