FAQ

Yes, 100%. Our spark arrestors are fully USFS (USDA) approved and stamped. Riding without a spark arrestor is strictly illegal on public land in both the United States and Canada, risking heavy government fines. Our insert keeps you completely legal.

We offer multiple precise sizes to ensure a perfect fit. You can check our master fitment list directly on the product page, or use a digital caliper to measure the exact inside diameter (ID) of your muffler's end cap outlet to match our sizing options.

Installation takes less than 10 minutes. The universal design fits cleanly inside your existing muffler outlet. Best of all, everything you need is included in the box: the spark arrestor element, required set screws, the correct Allen key, and a vial of Loctite.

No. While it perfectly traps dangerous carbon sparks to meet legal guidelines, the high-grade stainless steel element is engineered to maximize airflow. You get full trail compliance without sacrificing crisp throttle response or horsepower.

No. This kit is a true bolt-on solution engineered exclusively to utilize your OEM Yamaha flywheel. This design choice allows you to keep your original ignition timing and power delivery completely stock. It is not compatible with other aftermarket flywheel weights.

You can expect approximately 180 reliable electric starts on a single charge when using the recommended Antigravity AG-801 battery package.

The entire kit adds roughly 9.6 lbs to your machine, battery included. To prevent adding unnecessary bulk while ensuring maximum protection against rocks, roost, and crashes, the housing is entirely CNC-machined from premium 6061 Billet Aluminum.

It is a highly straightforward, 100% bolt-on installation that takes about 45 minutes in a standard garage with basic hand tools. No permanent engine case modifications are required. The billet housing also features an integrated vent hose to continuously manage internal moisture and pressure.