Yoshimura Unveils 'RS-12 Hybrid' for 2026 YZ450F, Boosting Power and Torque

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Yoshimura has announced its new RS-12 Hybrid System for the 2026 Yamaha YZ450F. It's presented as an exhaust system that delivers measurable gains in horsepower, torque, and overall rideability while improving ease of installation. The system stands out not just for raising power, but for being refined down to fitment and rideability as well.