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Yoshimura RS-12 Exhaust System Honda CRF450R / RX / R-S / WE | 2021–2024
Transform your Honda CRF450R, CRF450R-S, CRF450RX, or CRF450R WE (2021–2024) with the Yoshimura RS-12 Full Exhaust System—crafted for riders pushing the limits on track or trail. This stainless steel system, developed in collaboration with top racers like Chase Sexton and Jett Lawrence, delivers factory-level power, championship-winning reliability, and a rich, aggressive exhaust note. Dyno-proven to increase max horsepower by 5% and torque by 6.5%, the RS-12 boosts mid-range power and throttle response where it matters most. Built for race use, it features a unique asymmetrical muffler, a dual-resonator header, and Yoshimura’s exclusive carbon fiber end cap for durability and aggressive style.
Dyno-Proven Gains: Adds +5% horsepower and +6.5% torque for immediate race-ready performance.
Centralized Mass: Tapered design moves weight forward for improved agility and handling.
Race-Tested Build: Stainless steel system with reinforced one-piece cast manifold and dual resonators.
Premium Aesthetics: Asymmetrical shape and matte carbon end cap for a bold, factory look.
This Yoshimura RS-12 Exhaust turns your CRF450 into a holeshot machine with top-tier performance straight from the Supercross and Motocross circuits. Note: For closed-course use only; not street-legal.
Tailored Fit: Fits Honda CRF450R, CRF450R-S, CRF450RX, and CRF450R WE (2021–2024).
Premium Materials: Full stainless steel system with carbon fiber end cap and dual resonators.
Track-Focused Design: Precision-machined joints and Yoshimura PTF insert for easy tuning.
Non-Street-Legal: Designed exclusively for closed-course, competition use.
Quality Guaranteed: Proudly designed, developed, and manufactured in the USA.
Final Sale Policy: Due to its performance-oriented nature, all sales are final and non-refundable.
Upgrade your Honda CRF450 with the Yoshimura RS-12 Exhaust System and unlock the power, sound, and precision trusted by champions.
Order now and ride like a factory racer.
© 2025 Factory SuperBike
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