At DMG Motorsports, we present the Yoshimura RS-9T Spark Arrestor Insert Kit, part number SA-15-K — a purpose-built replacement insert engineered to keep your RS-9 series exhaust system legal and ready for the trail. Whether you're heading into USFS-regulated public land or simply need to restore spark arrestor function to your RS-9 or RS-9T muffler, this insert kit drops right in for a factory-correct fit and performance. Backed by Yoshimura's reputation for precision exhaust engineering, this kit is the trusted choice for riders who demand both compliance and performance from their off-road setup.

Features:

• USFS Approved: Includes one replacement USFS Approved Spark Arrester designed for RS-9 off-road mufflers, helping keep your bike compliant on forest service land.
• Purpose-built for 1.125" diameter RS-9 and RS-9T muffler systems.
• Complete kit includes the spark arrester insert, an end-cap collar, and a set screw for a secure, correct installation.
• Dual muffler systems will require two Spark Arrester Kits (one per muffler) for full coverage.
• Also available as an optional add-on Spark Arrester for RS-9 applications not originally equipped with one.
• Genuine Yoshimura part number SA-15-K (961-9074), ensuring guaranteed fitment and compatibility with your existing RS-9 system.
• Helps reduce fire risk from exhaust spark discharge while maintaining the performance character of your Yoshimura exhaust.

Fitment