Yoshimura RS-12 Spark Arrestor Insert – USFS-Approved Fire Protection for Your RS-12 Exhaust
Upgrade your RS-12 exhaust system with the Yoshimura RS-12 Spark Arrestor Insert, a precision-engineered solution that keeps you trail-legal and fire-safe without sacrificing performance. Proudly designed and manufactured in Chino, California, this spark arrestor meets USFS (United States Forest Service) approval, making it a must-have for riders who venture into public lands or off-road trails.
Built with Yoshimura’s PTF (Precision Taper Fit) system, this insert ensures quick and secure installation and removal, allowing you to ride with confidence and stay compliant with off-road regulations.
Key Features & Rider Benefits:
- USFS-Approved Spark Arrestor: Ride legally and responsibly on forest trails and public lands.
- Precision Taper Fit (PTF): Designed for a snug, secure fit in the RS-12 muffler, while still allowing easy tool-free removal when needed.
- Complete Kit: Includes spark arrestor insert, end-cap collar, and set screw—everything you need for a fast install.
- Made in the USA: Engineered and manufactured in Chino, California, ensuring quality and reliability you can trust.
- Protects Against Wildfire Risk: Helps prevent hot exhaust sparks from igniting dry brush or debris on the trail.
Kit Includes:
- 1 - Spark Arrestor Insert
- 1 - End-Cap Collar
- 1 - Set Screw
| Specifications | |
|---|---|
| SKU | 031-SA-21-K |
| Brand | Yoshimura |
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California Prop 65
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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Part Numbers
| SKU | MPN | Availability | In-Store Pickup | |
|---|---|---|---|---|
| 1.50" | 031-SA-21-K | SA-21-K | 10 In Stock. Ready to ship. | - |





