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With its deep and throaty tone, the EVO U series surely doesn’t disappoint. Designed specifically for utility ATV’s, sport utility ATV’s and Side x Sides, the EVO U series is not for the faint of heart when it comes to raw power and sound. If you are...

The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO R is a tried-and-true series that will save weight, add noticeable performance gains and sound tremendously better than stock.Hard...

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...

Ready-to-install, direct bolt-on cylinders require no re-plating and lookvirtually identical to the OEM cylindersThree kit options to choose from: Standard Bore, Standard Bore Hi-Compression and Big BoreCylinder kits include matched Vertex pistons to...

Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylindersThree kit options to choose from: Standard Bore, Standard Bore Hi-Compression and Big BoreCylinder kits include matched Vertex pistons to...

Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylindersThree kit options to choose from: Standard Bore, Standard Bore Hi-Compression and Big BoreCylinder kits include matched Vertex pistons to...

Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylindersThree kit options to choose from: Standard Bore, Standard Bore Hi-Compression and Big BoreCylinder kits include matched Vertex pistons to...

Powersports System Style: Full systemExhaust Type: SingleSystem Material: Stainless steel/AluminumSystem Finish: Aluminized/BrushedExit Location: RearMuffler Included: YesMuffler Quantity: OneMuffler Configuration: Single inlet/Single outletMuffler...

Powersports riders, Big Gun Exhaust Evo Utility Series slip-on mufflers present a sleek design for increased clearance from your rear brake caliper. The high-temp black thermal coated oval aluminum canisters are much lighter than stock—and offer a deep...

Light weight brushed aluminum mufflerHexagon shaped large diameter for more volumeDual Tapered Core technology for optimum performanceStamped 304 stainless steel coned inlet for more volumeTIG welded reinforced muffler bracket304 stainless steel mid...

Light weight brushed aluminum mufflerHexagon shaped large diameter for more volumeDual Tapered Core technology for optimum performanceStamped 304 stainless steel coned inlet for more volumeTIG welded reinforced muffler bracket304 stainless steel mid...

Big Gun Evo Utility series exhaust systems are designed to meet the needs of today's sport utility quad enthusiasts. These exhaust systems feature a scratch-resistant, high-temperature, ceramic coated silencer housing with state-of-the-art,...