Exhaust RS-4 Full System Aluminium Muffler for HONDA CRF 450 RL 2024

Key Features and Benefits

• Available in slip-on or full system configurations
• Stainless steel construction, with titanium versions available for select applications
• Race-developed RS-4 muffler design for improved power and torque
• Large-volume canister improves exhaust flow efficiency
• Optimised internal baffle system for performance and controlled sound
• Includes full installation guide and mounting hardware
• Supplied with 4-piece Yoshimura decal set where not factory branded

The Yoshimura RS-4 was developed through Yoshimura’s extensive off-road and motocross racing experience. It features a large-volume muffler body designed to maximise exhaust flow while maintaining durability in demanding riding conditions. The internal baffle structure enhances throttle response and mid-to-top-end performance while delivering a refined, race-inspired exhaust note.

RS-4 vs RS-4S: The RS-4 is the original large-volume race-oriented design focused on maximum performance and durability. The RS-4S is a more compact, updated variation engineered for improved fitment flexibility and refined aesthetics while maintaining similar performance characteristics.

Notes

• System configuration and material vary by application
• Titanium versions available on select models only
• Image may be for reference only
• Please contact us for further specifications and installation details