All ATV Parts & Exhaust

TFI Power Box - Polaris RZR 800 (11-14)

$555.16

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

Rev Box - Yamaha Raptor 660 (02-03)

$263.67

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 - Honda CRF 250L (13-16)

$397.46

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 Head Pipe - Honda TRX 450R (06-14)

$397.46

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 Exhuast System - Honda TRX 90 / X / EX (06-24) Black Out Edition

$503.44

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 Stainless Full Exhuast System - Kawasaki Brute Force 750 IRS (15-25)

$1,136.74

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...

EVO R Full Exhuast System - Honda XR 400 (96-05)

$917.33

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 Exhuast System - Polaris Sportsman 700 (02-08)

$935.51

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...

TFI Power Box - Suzuki King Quad 500 (11-22)

$517.00

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

Rev Box - Suzuki LTZ 90 Quadsport (07-09)

$329.67

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...

TFI Power Box - Polaris Sportsman 550 (10-14)

$555.16

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

Rev Box - Yamaha Raptor 90 (09-12)

$329.67

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...

EXO Full Exhuast System - Honda XR 650L (93-25) BLACK OUT EDITION

$1,113.91

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 Full Exhuast System - Honda CRF 450R (06-08)

$981.18

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 Dual Full Exhuast System - Polaris RZR XP 1000 / RZR 4 XP 1000 / HL (14-23)

$1,435.40

** DUE TO HIGH ENGINE TEMPERATURES OF THIS RZR, YOU MUST PROPERLY TUNE BY USING SOME SORT OF FUEL CONTROLLER IN ORDER TO MAINTAIN...

EVO R Full Exhuast System - Yamaha TTR 125 (00-24)

$585.13

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 - Suzuki DR-Z 400S (01-07)

$263.67

If you are looking to swap out the stock CDI box on your Suzuki DR-Z 400S, the Big Gun Over Rev Box is an...

Rev Box - Yamaha Grizzly 660 (02-08)

$329.67

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 Predator 500 (05-07)

$263.67

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 (03-07)

$263.67

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 R Head Pipe - Honda XR 650R (00-08)

$483.09

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 Head Pipe - Polaris Predator 500 (03-07)

$483.09

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 Exhuast System - Honda CRF 250L (13-16)

$981.18

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 Exhuast System - Yamaha Raptor 700 (06-14)

$1,068.24

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 Exhuast System - Honda CRF/XR 70 (97-12)

$428.14

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 Full Exhuast System - Honda XR 650R (00-08)

$1,068.24

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 Exhuast System - Suzuki LTZ 400 / EFI Quadsport (03-14)

$981.18

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 - Can Am Outlander 800 R / XT (06-15)

$555.16

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

TFI Power Box - Can Am Commander 1000 (14-19)

$574.43

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

Rev Box - Honda CRF/XR 100 (All Years)

$151.28

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...

TFI Power Box - Suzuki LTZ 400 Quadsport (09-14)

$517.00

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

Parts - EXO End Cap Assembly - Black

$101.32

Complete end cap assembly replacement for your EXO muffler. One piece high-temp coated black end tip Stamped 304 stainless steel base plate 4 socket head...

Parts - Core (10" EXO Muffler)

$50.65

Our replacement EXO Core is compatible with EXO and EXO Stainless Series mufflers. The EXO Core is offered in 10" or 12" lengths depending...

EVO M Full Exhuast System - Suzuki DR-Z 50 (19-21)

$428.14

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 S Full Exhuast System - Kawasaki Z125 PRO (17-23)

$498.79

Race-proven power is what you get with an EVO S series exhaust. If a performance-driven, quality-made exhaust system is what you are after, look...

EXO Stainless Dual Full Exhuast System - Polaris Scrambler XP 1000 (14-19)

$1,584.88

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 Full Exhuast System - Polaris Sportsman 850 High Lifter (16-23)

$1,110.34

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...