Big Gun Exhaust ATV & UTV Performance Parts

Big Gun Exhaust
  • Big Gun Exhaust® - ECO™ Slip-On
    Big Gun Exhaust® - ECO™ Slip-On
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    # sp174260
    ECO™ Slip-On by Big Gun Exhaust®. 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 break the bank. Offered as only slip ons, the ECO series is affordable yet...
    Economically priced slip on exhaust6061 brushed aluminum muffler housing
    $298.99
  • Big Gun Exhaust® - EVO R™ Dual Full Exhaust System
    Big Gun Exhaust® - EVO R™ Dual Full Exhaust System
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    # sp174262
    EVO R™ Dual Full Exhaust System by Big Gun Exhaust®. The EVO R series draws on Big Gun Exhaust 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...
    Hard anodized oval shaped aluminum mufflersTIG welded reinforced muffler brackets
    $824.99 - $868.99
  • Big Gun Exhaust® - EVO U™ Slip-On
    Big Gun Exhaust® - EVO U™ Slip-On
    1
    # sp174269
    EVO U™ Slip-On by Big Gun Exhaust®. 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...
    Expertly crafted from premium materialsQuality design and workmanship
    $374.08 - $597.99
  • Big Gun Exhaust® - EVO R™ Head Pipe
    Big Gun Exhaust® - EVO R™ Head Pipe
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    # sp174264
    EVO R™ Head Pipe by Big Gun Exhaust®. The EVO R series draws on Big Gun Exhaust 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...
    Precision-bent TIG welded 304 stainless steel head pipeLarger diameter than stock head pipe
    $253.99 - $308.99
  • Big Gun Exhaust® - Rev Box
    Big Gun Exhaust® - Rev Box
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    # sp174280
    Rev Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases overall RPM limitAdvanced timing curve
    $175.99 - $219.99
  • Big Gun Exhaust® - TFI Power Box
    Big Gun Exhaust® - TFI Power Box
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    # sp174343
    TFI Power Box by Big Gun Exhaust®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Increases horsepower and throttle responseInstalls in minutes
    $269.99 - $329.99
  • Big Gun Exhaust® - EVO M™ Full Exhaust System
    Big Gun Exhaust® - EVO M™ Full Exhaust System
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    # sp174261
    EVO M™ Full Exhaust System by Big Gun Exhaust®. 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...
    Made for various 50cc - 110cc modelsHard anodized specialty aluminum muffler
    $285.99
  • Big Gun Exhaust® - EVO R™ Full Exhaust System
    Big Gun Exhaust® - EVO R™ Full Exhaust System
    0
    # sp174263
    EVO R™ Full Exhaust System by Big Gun Exhaust®. The EVO R series draws on Big Gun Exhaust 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,...
    Hard anodized oval shaped aluminum mufflerTIG welded reinforced muffler bracket(s)
    $619.99 - $681.99
  • Big Gun Exhaust® - EVO R™ Slip-On
    Big Gun Exhaust® - EVO R™ Slip-On
    0
    # sp174265
    EVO R™ Slip-On by Big Gun Exhaust®. The EVO R series draws on Big Gun Exhaust 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...
    Hard anodized oval shaped aluminum mufflerTIG welded reinforced muffler bracket(s)
    $373.99
  • Big Gun Exhaust® - EVO U™ Dual Full Exhaust System
    Big Gun Exhaust® - EVO U™ Dual Full Exhaust System
    0
    # sp174266
    EVO U™ Dual Full Exhaust System by Big Gun Exhaust®. 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...
    High-temp black thermal coated oval shaped aluminum mufflersTIG welded reinforced muffler brackets
    $868.28 - $975.99
  • Big Gun Exhaust® - EVO U™ Full Exhaust System
    Big Gun Exhaust® - EVO U™ Full Exhaust System
    0
    # sp174268
    EVO U™ Full Exhaust System by Big Gun Exhaust®. 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...
    High-temp black thermal coated oval shaped aluminum mufflerTIG welded reinforced muffler bracket(s)
    $354.99 - $916.99
  • Big Gun Exhaust® - EXO™ Head Pipe
    Big Gun Exhaust® - EXO™ Head Pipe
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    # sp174272
    EXO™ Head Pipe by Big Gun Exhaust®. EXO Series came from a realization of the need for a bigger and better muffler that could handle the huge demands of the larger, more powerful sport ATV motors. The EXO Series is Big Gun Exhaust...
    Precision-bent TIG welded 304 stainless steel head pipeLarger diameter than stock head pipe
    $253.99 - $308.99
  • Big Gun Exhaust® - EXO™ Full Exhaust System
    Big Gun Exhaust® - EXO™ Full Exhaust System
    0
    # sp174271
    EXO™ Full Exhaust System by Big Gun Exhaust®. EXO Series came about from a realization of the need for a bigger and better muffler that could handle the huge demands of the larger, more powerful sport ATV motors. The EXO Series is Big...
    Expertly crafted from premium materialsQuality design and workmanship
    $450.00 - $747.99
  • Big Gun Exhaust® - EVO U™ Dual Slip-On
    Big Gun Exhaust® - EVO U™ Dual Slip-On
    1
    # sp174267
    EVO U™ Dual Slip-On by Big Gun Exhaust®. 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...
    High-temp black thermal coated oval shaped aluminum mufflersTIG welded reinforced muffler brackets
    $643.99 - $802.99
  • Big Gun Exhaust® - EXO™ Dual Full Exhaust System
    Big Gun Exhaust® - EXO™ Dual Full Exhaust System
    0
    # sp174270
    EXO™ Dual Full Exhaust System by Big Gun Exhaust®. EXO Series came about from a realization of the need for a bigger and better muffler that could handle the huge demands of the larger, more powerful sport ATV motors. The EXO Series...
    Light weight brushed aluminum mufflersHexagon shaped large diameter housings for more volume
    $703.99 - $999.99
  • Big Gun Exhaust® - EXO™ Slip-On
    Big Gun Exhaust® - EXO™ Slip-On
    0
    # sp174273
    EXO™ Slip-On by Big Gun Exhaust®. EXO Series came about from a realization of the need for a bigger and better muffler that could handle the huge demands of the larger, more powerful sport ATV motors. The EXO Series is Big Gun Exhaust...
    Expertly crafted from premium materialsQuality design and workmanship
    $399.99 - $439.99
  • Big Gun Exhaust® - EXO Stainless™ Dual Full Exhaust System
    Big Gun Exhaust® - EXO Stainless™ Dual Full Exhaust System
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    # sp174274
    EXO Stainless™ Dual Full Exhaust System by Big Gun Exhaust®. EXO Stainless is the most durable exhaust in Big Gun Exhaust lineup. Constructed of high-strength 304 stainless steel from front to back, EXO Stainless is sure to withstand...
    Rugged high-strength 304 stainless steel mufflersHexagon shaped large diameter housings for more volume
    $1,011.99
  • Big Gun Exhaust® - EXO Stainless™ Dual Slip-On
    Big Gun Exhaust® - EXO Stainless™ Dual Slip-On
    0
    # sp174275
    EXO Stainless™ Dual Slip-On by Big Gun Exhaust®. EXO Stainless is the most durable exhaust in Big Gun Exhaust lineup. Constructed of high-strength 304 stainless steel from front to back, EXO Stainless is sure to withstand even the...
    Rugged high-strength 304 stainless steel mufflersHexagon shaped large diameter housings for more volume
    $791.99
  • Big Gun Exhaust® - EXO Stainless™ Full Exhaust System
    Big Gun Exhaust® - EXO Stainless™ Full Exhaust System
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    # sp174276
    EXO Stainless™ Full Exhaust System by Big Gun Exhaust®. EXO Stainless is the most durable exhaust in Big Gun Exhaust lineup. Constructed of high-strength 304 stainless steel from front to back, EXO Stainless is sure to withstand even...
    Rugged high-strength 304 stainless steel mufflerHexagon shaped large diameter housing for more volume
    $450.99 - $945.99
  • Big Gun Exhaust® - EXO Stainless™ Head Pipe
    Big Gun Exhaust® - EXO Stainless™ Head Pipe
    1
    # sp174277
    EXO Stainless™ Head Pipe by Big Gun Exhaust®. EXO Stainless is the most durable exhaust in Big Gun Exhaust lineup. Constructed of high-strength 304 stainless steel from front to back, EXO Stainless is sure to withstand even the most...
    Precision TIG welded and CNC bent 304 stainless steel head pipeAdded horsepower and torque gains
    $253.99 - $308.99
  • Big Gun Exhaust® - EXO Stainless™ Slip-On
    Big Gun Exhaust® - EXO Stainless™ Slip-On
    0
    # sp174278
    EXO Stainless™ Slip-On by Big Gun Exhaust®. EXO Stainless is the most durable exhaust in Big Gun Exhaust lineup. Constructed of high-strength 304 stainless steel from front to back, EXO Stainless is sure to withstand even the most...
    Rugged high-strength 304 stainless steel mufflerHexagon shaped large diameter housing for more volume
    $432.02 - $637.99
  • Big Gun Exhaust® - EVO™ End Cap Assembly
    Big Gun Exhaust® - EVO™ End Cap Assembly
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    # 1825355514
    Universal EVO™ Turndown End Cap Assembly by Big Gun Exhaust®. Complete turndown end cap assembly replacement for your current style EVO R, S or U muffler. This top-grade product is expertly made in compliance with stringent industry...
    Expertly crafted from premium materialsQuality design and workmanship
    $65.99
  • Big Gun Exhaust® - EVO™ End Cap Assembly
    Big Gun Exhaust® - EVO™ End Cap Assembly
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    # 1825355365
    Universal EVO™ Sideways End Cap Assembly by Big Gun Exhaust®. Complete sideways end cap assembly replacement for your current style EVO R, S or U muffler. This top-grade product is expertly made in compliance with stringent industry...
    Expertly crafted from premium materialsQuality design and workmanship
    $65.99
  • Big Gun Exhaust® - EVO™ End Tip
    Big Gun Exhaust® - EVO™ End Tip
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    # 1825355776
    Universal EVO™ Sideways End Tip by Big Gun Exhaust®. Sideways end tip replacement for your current style EVO U, S or R muffler. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion...
    Expertly crafted from premium materialsQuality design and workmanship
    $32.99
  • Big Gun Exhaust® - EVO™ End Tip
    Big Gun Exhaust® - EVO™ End Tip
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    # 1825355675
    Universal EVO™ Turndown End Tip by Big Gun Exhaust®. Turndown end tip replacement for your current style EVO U, S or R muffler. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion...
    Expertly crafted from premium materialsQuality design and workmanship
    $32.99
  • Big Gun Exhaust® - Dura-Pak Packing Kit
    Big Gun Exhaust® - Dura-Pak Packing Kit
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    # 1825355560
    Universal Dura-Pak Packing Kit by Big Gun Exhaust®. Dura-Pak Packing Kit Are you looking to do more riding and less worrying about maintenance? Well, Big Gun Dura-Pak kit might just be the ticket. For just shy of double the price of Big...
    Expertly crafted from premium materialsQuality design and workmanship
    $46.99
  • Big Gun Exhaust® - EVO U™ 3/4 Dual Complete Exhaust System
    Big Gun Exhaust® - EVO U™ 3/4 Dual Complete Exhaust System
    1
    # sp203171
    EVO U™ 3/4 Dual Complete Exhaust System by Big Gun Exhaust®. 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...
    High-temp black, thermal-coated, oval-shaped aluminum mufflerBlack powder-coated stainless steel tip dissipates heat
    $667.99 - $906.99
  • Big Gun Exhaust® - EVO/ECO™ Muffler Core
    Big Gun Exhaust® - EVO/ECO™ Muffler Core
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    # 1825355729
    Universal EVO/ECO™ Muffler Core by Big Gun Exhaust®. Big Gun replacement Race Core is compatible with current-style EVO or ECO Series mufflers. The Race Core is offered in either 13-1/4" or 15-1/4" length depending on the length of...
    Expertly crafted from premium materialsQuality design and workmanship
    $16.99
  • Big Gun Exhaust® - End Tip Allen Screws
    Big Gun Exhaust® - End Tip Allen Screws
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    # 1825355803
    Universal End Tip Allen Screws by Big Gun Exhaust®. Socket Head. One can never have enough spare parts in the toolbox for those just-in-case moments. These end tip screws make for a good addition to your spare parts stockpile. If you...
    Expertly crafted from premium materialsQuality design and workmanship
    $5.50 - $6.60
  • Big Gun Exhaust® - Exhaust Spring
    Big Gun Exhaust® - Exhaust Spring
    0
    # 3255726990
    Universal Exhaust Spring by Big Gun Exhaust®. You can't go wrong keeping a couple of these bad boys close by. Big Gun exhaust springs are affordable and easy to store in a tool bag, storage compartment or in any tool box. You never know...
    Expertly crafted from premium materialsQuality design and workmanship
    $2.19 - $3.29




Big Gun Exhaust was established in 1997 by former professional motocross racer, Mike Young, Jr., 3-time winner of the AMA National Four-Stroke Championship. He used his knowledge to start a business of manufacturing high-performance exhaust systems for motocross and ATV machines that will surely work great on the track. Side-by-side and street bike markets are covered as well. All high-quality Big Gun Exhaust products are manufactured in the USA with the use of the latest design and production techniques and cutting-edge equipment.

Even though the company has been growing steadily for a decade under Young’s supervision, he decided to sell it to the new owners who could facilitate further growth. The current owner acquired the company in 2010. What followed is a huge restructuring of the assets called to organize the research, development, manufacturing, testing, and distributing operations under one roof in Corona, California. The new management and seals team elevated the Big Gun Exhaust brand to the new level of success thanks to a more efficient manufacturing process. Today, four-stroke Big Gun Exhaust systems can be seen on motocross and street bikes, scooters, sport and utility ATVs and UTVs.

The company’s specialists continue working closely with racing teams, sponsoring different motorsports events, and gathering valuable data for further improvement of Big Gun Exhaust system products. All these facts and an exponential growth over the last few years have solidified Big Gun’s reputation as a reliable and reputable supplier of ECO, EVO, and EXO lines of four-stroke exhaust systems with thick aluminum mufflers and stainless steel head pipes, TFI Power and Rev boxes for ignition and fuel injection timing remapping, as well as a wide range of replacement parts and related accessories, including end tips, spark arrestors, muffler packing kits, muffler cores, heat shields, power box extension harnesses, and more.

New Arrivals

New Arrivals - Updated July 08, 2022
  • Big Gun Exhaust® - Rev Box
  • Big Gun Exhaust® - Evo M Series Mini 1-1 Black Ceramic Exhaust System
  • Big Gun Exhaust® - Evo M Series Mini 1-1 Black Ceramic Exhaust System
  • Big Gun Exhaust® - Evo M Series Mini 1-1 Black Ceramic Exhaust System
  • Big Gun Exhaust® - Evo M Series Mini 1-1 Black Ceramic Exhaust System