The Big Gun Evo Racing Series was designed to deliver maximum horsepower & torque gains throughout the RPM range. Made from .049 stainless steel tubing & an aluminum muffler canister, the Evo exhaust system is much lighter than stock units. Our sleek muffler design also allows for maximum clearance to avoid your exhaust from hitting the rear brake caliper.
All Big Gun exhausts are for closed course use only and are not intended for use on the road. Big Gun exhausts are NOT LEGAL for sale or use on pollution controlled vehicles in the state of California.

The Big Gun Eco Series was designed with a few things in mind, performance, power, sound & craftsmanship. We guarantee that the Eco Series delivers these things all without hurting your wallet. Made for most popular dirtbike models, the Eco Series is made from .049 stainless steel tubing and a 6061 brushed aluminum muffler canister. All Eco Series Exhausts are slip-on systems only.
All Big Gun exhausts are for closed course use only and are not intended for use on the road. Big Gun exhausts are NOT LEGAL for sale or use on pollution controlled vehicles in the state of California.