The YOSHIMURA RS4 Signature Series silencer for KTM/Husqvarna is an exhaust designed for the motocross spirit: lightweight, sharp, and intended for track use. Its design comes from development in the MX World Championship and on US circuits, leveraging Yoshimura's expertise in competition to provide a refined sound response and gas management.

• Construction: aluminum body, stainless steel pipe, and carbon end cap for a sporty look and resistance to off-road conditions.
• Double chamber: RS-4 system with 2 chambers for improved internal soundproofing and attenuation of undesirable acoustic feedback.
• Usage: dedicated to track and circuit use, it is not street-legal (non-homologated noise).
• Compatibility: designed for KTM / Husqvarna motocross machines (e.g., KTM 350 EXC-F SIX DAYS, HUSQVARNA FX 350, KTM 350 EXC-F).

This silencer provides a refined finish and a racing visual signature thanks to its carbon end cap. Manufacturer reference: 262522D321. Important note: track use only — not homologated for noise.