The Big Gun EVO Utility Series was designed to deliver raw horsepower and torque gains for utility ATVs and UTVs. All Utility slip-on and full systems are made from .049 stainless steel tubing an an aluminum muffler canister, the Big Gun Utility exhaust system is much lighter than a stock unit. Our sleek muffler design allows for maximum clearance to avoid collisions with the rear brake caliper. 96-98 db track and trail legal with included Vortex quiet insert. USFS forestry approved spark arrestor included 4-8 horsepower increase on most models. Slip fit midpipe to muffler design prevents breaking off muffler brackets Snorkel kit available for all models. Black powder coated stainless end tip. All Big Gun exhausts are for closed course use only and are not intended for use on the road. NOTE: Big Gun exhausts are NOT LEGAL for sale or use on pollution controlled vehicles in the state of California.