ATV Exhaust Systems, Slip-On Mufflers & Tuners

EXO Stainless Slip On Muffler - Can Am Outlander 570 / XT / DPS / XMR (17-23)

$707.90

EXO Stainless is the most durable exhaust in our lineup. Constructed of high-strength 304 stainless steel from front to back, EXO Stainless is sure...

EVO R Dual Full Exhaust System - Yamaha Raptor 700 (15-25)

$1,294.84

The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO...

Rev Box - Honda TRX 450R (04-05)

$264.48

If you are looking to swap out the stock CDI box on your Honda TRX 450R, the Big Gun Over Rev Box is an...

EXO Stainless Slip On Muffler - Polaris Sportsman 1000 High Lifter (16-22)

$707.90

EXO Stainless is the most durable exhaust in our lineup. Constructed of high-strength 304 stainless steel from front to back, EXO Stainless is sure...

TFI Power Box - Suzuki King Quad 750 (08-22)

$518.58

**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...

EVO M Full Exhaust System - Yamaha Raptor 80 (02-08)

$429.46

EVO M series has been a Big Gun staple for over a decade. Though there have been changes and improvements over the years, the...

EVO R Head Pipe - Yamaha YFZ 450R (09-25)

$398.68

The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO...

Rev Box - Yamaha Raptor 50 (04-08)

$264.48

If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...

EVO U Full Exhaust System - Kawasaki Brute Force 750 IRS (05-11)

$1,064.36

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...

EVO M Full Exhaust System - Can Am Renegade 110 (23-25)

$429.46

EVO M series has been a Big Gun staple for over a decade. Though there have been changes and improvements over the years, the...

EVO U Slip On Muffler - Can Am Outlander MAX 570 / XT / DPS / XMR (17-23)

$613.41

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...

EXO Stainless Full Exhaust System - Polaris Sportsman 850 / XP / H.O. / EPS / SP (09-16)

$1,113.74

EXO Stainless is the most durable exhaust in our lineup. Constructed of high-strength 304 stainless steel from front to back, EXO Stainless is sure...

EXO Stainless Slip On Muffler - Polaris Sportsman 850 High Lifter (16-23)

$707.90

EXO Stainless is the most durable exhaust in our lineup. Constructed of high-strength 304 stainless steel from front to back, EXO Stainless is sure...

EVO R Full Exhaust System - Yamaha YFZ 450R (09-25)

$984.19

The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO...

EVO R Full Exhaust System - Can Am DS 250 (06-24)

$984.19

The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO...

TFI Power Box - Honda TRX 700XX (08-09)

$518.58

**This product is not ARB / CARB compliant and cannot be sold in the state of California** Increases horsepower and throttle response Installs in...

EVO M Full Exhaust System - Can Am DS 90X (08-22)

$429.46

EVO M series has been a Big Gun staple for over a decade. Though there have been changes and improvements over the years, the...

EVO U Full Exhaust System - Kawasaki Brute Force 750 IRS (15-25)

$1,064.36

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...

EVO R Slip On Muffler - Yamaha Raptor 660 (01-05)

$586.93

The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO...

Rev Box - Honda TRX 400EX (05-07)

$264.48

If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...

EVO R Head Pipe - Suzuki LTZ 400 / EFI Quadsport (03-14)

$398.68

The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO...

EVO U Full Exhaust System - Polaris Sportsman 500 HO (01-13)

$938.38

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...

EVO R Head Pipe - Honda TRX 250EX (01-10)

$398.68

The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO...

EVO M Full Exhaust System - Polaris Outlaw 110 (15-25) Black Out Edition

$504.98

EVO M series has been a Big Gun staple for over a decade. Though there have been changes and improvements over the years, the...

EVO R Head Pipe - Honda TRX 250X / 300EX / 300X (87-09)

$453.45

- 304 stainless steel TIG welded head pipe - Larger diameter than stock - Lighter than stock head pipe - Increased horsepower and torque gains -...

EVO M Full Exhaust System - Yamaha Grizzly 90 (19-23)

$429.46

EVO M series has been a Big Gun staple for over a decade. Though there have been changes and improvements over the years, the...

ECO Slip On Muffler - Honda TRX 250X (09-24)

$469.20

ECO series is for the price-conscious rider that wants to get every ounce of power out of his/her motor but does not want to...

EVO R Slip On Muffler - Yamaha Raptor 350 (05-13)

$586.93

The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO...

Rev Box - Yamaha Raptor 250 (08-12)

$264.48

If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...

Rev Box - Suzuki LTZ 400 Quadsport (03-04)

$264.48

If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...

Rev Box - Polaris Outlaw 525 / S / IRS (07-11)

$264.48

If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...

Rev Box - Kawasaki KFX 400 (05-07)

$264.48

If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...

Rev Box - Honda TRX 300EX (93-06)

$264.48

If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...

EVO R Slip On Muffler - Polaris Predator 500 (03-07)

$586.93

The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO...

EVO M Full Exhaust System - Yamaha YFZ 50 (17-24) Black Out Edition

$504.98

EVO M series has been a Big Gun staple for over a decade. Though there have been changes and improvements over the years, the...

EXO Series Slip On Muffler - Yamaha Raptor 700 (06-25)

$639.18

EXO Series came about from a realization of the need for a bigger and better muffler that could handle the huge demands of the...

EVO R Dual Full Exhaust System - Yamaha Raptor 700 (06-14)

$1,294.84

The EVO R series draws on our rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO...

Rev Box - Yamaha Raptor 80 (02-08)

$264.48

If you are looking to swap out your stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM...

Rev Box - Can Am DS 650 (00-02)

$264.48

If you are looking to swap out your stock DS 650 CDI box, the Big Gun Over Rev Box is an affordable alternative to...

EVO U Slip On Muffler - Suzuki King Quad 750 Axi / EPS (08-22)

$613.41

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...