YZ450F 2026 RS-12 Stainless Slip-On Exhaust, w/ Aluminum Muffler - 234852S320

YZ450F 2026 RS-12 Stainless Slip-On Exhaust, w/ Aluminum Muffler

Built for riders who want a compact, lightweight slip-on with proven Yoshimura craftsmanship, the RS-12 Signature Series Slip-On for the 2026 Yamaha YZ450F is designed to bring a serious performance-focused feel to your bike. It arrives USFS approved with a spark arrestor already installed, making it a ready-to-ride choice for woods and trail use right out of the box.

Product Details

• SKU: 234852S320
• Brand: Yoshimura
• Category: Signature Series Exhaust System

Key Features

• RS-12 Signature Series slip-on exhaust for 2026 Yamaha YZ450F
• Stainless steel mid-pipe paired with an aluminum muffler
• Matte carbon fiber end cap finish
• USFS approved with spark arrestor installed (SA-21-K)
• Sound level option: Volume Insert
• Engineered, developed, and built in Chino, CA

Fitment & Notes

Fitment: 2026 Yamaha YZ450F. Includes spark arrestor installed. Sound insert/spark arrester options referenced by Yoshimura: SA-21-K (Yes), SA-20-K (No), INS-33-K (No).