YOSHIMURA RS-12 Signature Series Demper – Yamaha

Our brand-new offering for the 2026 Yamaha YZ-450F is ready for action. Introducing the RS-12 Signature Series Slip-On—lightweight, compact, and built to deliver serious power.

This RS-12 is USFS approved and comes equipped with a spark arrestor installed, so you’re ready to ride the woods or trials right out of the box.

Featuring a stainless steel mid-pipe paired with an aluminum muffler and finished with a matte carbon fiber end cap, every detail is built for performance and durability.

Proudly engineered, developed, and built in Chino, CA.—Yoshimura quality you can count on.
 

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.