Exhaust, Mufflers & Tips

The Big Guns TFI (Throttle and Fuel Injection) Power Box delivers an effortless performance boost by optimizing throttle mapping and fuel delivery. Simple to install and tuned for broad compatibility, this plug-and-play module sharpens throttle response, smooths power delivery, and enhances mid-range torque, all...

If you are looking to swap out the stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM replacement boxes. It increases the overall RPM limit over the stock box and advances the timing curve.

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....

EVO M series has been a Big Gun staple for over a decade. Though there have been changes and improvements over the years, the goal has always been to produce noticeable performance gains. The deep and throaty tone is sure to make even a...

EVO M series has been a Big Gun staple for over a decade. Though there have been changes and improvements over the years, the goal has always been to produce noticeable performance gains. The deep and throaty tone is sure to make even a...

EVO M series has been a Big Gun staple for over a decade. Though there have been changes and improvements over the years, the goal has always been to produce noticeable performance gains. The deep and throaty tone is sure to make even a...

EVO M series has been a Big Gun staple for over a decade. Though there have been changes and improvements over the years, the goal has always been to produce noticeable performance gains. The deep and throaty tone is sure to make even a...

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.

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.

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.

QTP 3.5in Bolt-On QTEC Dual Electric Cutout Valves - Pair

QTP Bolt-On QTEC Dual Low Profile Oval Electric Cutout Valves - Pair

QTP 3in Bolt-On QTEC Dual Electric Cutout Valves - Pair

QTP 2.5in Bolt-On QTEC Dual Electric Cutout Valves - Pair

QTP 3.5in Bolt-On QTEC Electric Cutout Valve - Single

QTP Bolt-On QTEC Low Profile Oval Electric Cutout Valve

QTP 3in Bolt-On QTEC Electric Cutout Valve for Borla Exhausts - Single

QTP 3in Bolt-On QTEC Electric Cutout Valve - Single

QTP 2.5in Bolt-On QTEC Electric Cutout Valve - Single

QTP 2.25in Bolt-On QTEC Electric Cutout Valve - Single