All ATV Parts & Exhaust

Parts - Core (12" EXO Muffler)

$50.53

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 Exhaust System - Honda CRF 110F (19-25)

$427.11

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

$1,287.78

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

EXO Stainless Slip On Muffler - Polaris Sportsman 570 (14-24)

$704.04

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 Head Pipe - Yamaha Raptor 700 (06-14)

$481.93

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 U Full Exhaust System - Polaris Sportsman 800 (2005-06, 2008)

$1,022.96

*** FOR 2007 MODEL, THIS SYSTEM WILL ONLY FIT THE "DELUXE" MODEL THAT COMES STANDARD WITH A DUAL EXHAUST. THIS DOES NOT FIT THE...

EVO U Slip On Muffler - Can Am Renegade 570 / XXC (16-22)

$610.07

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...

Rev Box - Suzuki LTZ 400 Quadsport (05-08)

$263.04

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...

ECO Slip On Muffler - Polaris Sportsman 850 / XP / H.O. / EPS / SP (09-16)

$466.64

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...

TFI Power Box - Can Am Outlander 450 (15-23)

$553.83

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

EVO R Slip On Muffler - Yamaha WR 250X / R (08-20)

$583.73

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

Parts - EVO Sideways End Cap Assembly - Red

$101.07

Complete sideways end cap assembly replacement for your current style EVO R, S or U muffler. One piece high-temp coated sideways red end tip...

EVO R Head Pipe - Yamaha Raptor 660 (01-05)

$481.93

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 R Full Exhaust System - Yamaha TTR 230 (05-25)

$893.40

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 Slip On Muffler - Can Am Outlander 450 / DPS (17-23)

$610.07

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 - Yamaha Viking 700 (14-24)

$515.76

**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 - Kawasaki KFX 50 (08-24)

$427.11

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

$583.73

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 Slip On Muffler - Yamaha Grizzly 700 / EPS (07-23)

$610.07

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...

ECO Slip On Muffler - Yamaha Kodiak 700 / EPS (16-24)

$466.64

ECO series is for the price-conscious rider that wants to get every ounce of power out of his/her Yamaha Kodiak 700, but does not...

EVO R Slip On Muffler - Kawasaki KLX 250 S / R / 300R (2020-2023)

$583.73

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 - Polaris RZR 200 (22-24)

$553.83

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

EVO R Head Pipe - Honda TRX 400EX (99-14)

$481.93

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

EXO Stainless Slip On Muffler - Polaris Scrambler XP 850 H.O. / EPS (13-24)

$704.04

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 U Slip On Muffler - Polaris Sportsman 850 / XP / H.O. / EPS / SP (09-16)

$610.07

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 - Polaris RZR 170 (15-23)

$553.83

**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 110 (24-25)

$427.11

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

Rev Box - Can Am DS 650 Baja (02-05)

$263.04

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

EVO M Full Exhaust System - Yamaha Raptor 90 (16-23) Black Out Edition

$502.23

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 - Yamaha Wolverine X4 (18-24)

$610.07

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 - Honda Talon 1000R / 1000X (19-24)

$573.05

**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 - Polaris Scrambler XP 1000 (14-19)

$553.83

**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 - Kawasaki Brute Force 750 (08-14)

$553.83

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

Parts - EVO Turndown End Cap Assembly - Black

$101.07

Complete turndown end cap assembly replacement for your current style EVO U, S or R muffler. One piece high-temp coated turndown black end tip...

EVO R Head Pipe - Yamaha Raptor 700 (15-25)

$481.93

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 - Honda CRF/XR 50 (00-24)

$427.11

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 M Full Exhaust System - Honda TRX 90 (93-05)

$427.11

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

Explorer Series Yamaha Wolverine RMAX 2 / 4 / LE / SE Slip On Muffler (21-24)

$1,043.60

A top to bottom overhaul, this new premium series is built with purpose through performance ability and materials to withstand the harshest of conditions....