Motorcycle enthusiasts, this Yoshimura RS-4 Spark Arrestor Insert (that's part number TEC-SD10 for those keeping track) is your go-to replacement part for keeping your exhaust system running properly and staying trail-legal.

This 1.5-inch insert is designed specifically for Yoshimura RS-4 exhaust systems, providing that crucial spark arrestor function that's required on many off-road trails and public lands.

If you're riding in areas with fire restrictions or where spark arrestors are mandatory, this little insert keeps you compliant while maintaining your bike's performance.

Installation is pretty straightforward - it slides right into your existing RS-4 exhaust system.

The build quality is exactly what you'd expect from Yoshimura - durable materials that can handle the high temperatures and vibrations of regular riding.

It helps reduce spark emissions without significantly impacting your exhaust flow or power output.

Perfect for dirt bike riders, adventure riders, or anyone who needs to meet spark arrestor requirements for their riding areas.

Keep your bike legal, safe, and performing at its best with this genuine Yoshimura replacement part.

Because let's face it - getting turned away from your favorite riding spot because of missing spark arrestor equipment is seriously frustrating, and this simple insert prevents exactly that!
