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$322.99
BBR Motorsports Big Bore D-Section Exhaust Systems 211-YTR-5012
Manufacturer: BBR Motorsports
Dennis Kirk Part #: 432753
BBR Motorsports Big Bore D-Section Exhaust Systems: Manufacturer part # 211-YTR-5012 - Big Bore. We now have long-awaited D-Section exhaust. Systems feature a billet end cap carved from a solid aluminum block. Thin-wall stainless header and heat shield, and the exclusive D-Section design for increased tire clearance and packing volume. Includes a BBR Quiet Core Insert and USDA Forest Service approved spark arrester. Black canister only. INCLUDED ITEMS: One exhaust system. One spark arrester insert. Instruction sheet.. 211-YTR-5012
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Big Gun Exhaust System
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CLOSEOUT!
Was: $256.99
Now: $192.74
BBR Motorsports Big Bore Performance Red Exhaust System 210-HXR-5042
Manufacturer: BBR Motorsports
Dennis Kirk Part #: 433554
BBR Motorsports Big Bore Performance Red Exhaust System: Manufacturer part # 210-HXR-5042 - Exclusive BBR design, engineering and craftsmanship. Standard Performance exhaust systems are recommended for 50cc-82cc motors. Big Bore exhaust recommended for 88cc motors and up. Complete one-piece exhaust systems come with removable USDA Forest Service approved spark arrestor installed. Stylish BBR aluminum billet flange and end cap. Ceramic-coated tapered header improves power throughout the entire rpm range.. 210-HXR-5042
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Big Gun Exhaust System
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CLEARANCE!
Was: $255.99
Now: $191.99
BBR Motorsports Black Big Bore Standard Performance Exhaust System 210-HXR-5012
Manufacturer: BBR Motorsports
Dennis Kirk Part #: 432732
BBR Motorsports Black Big Bore Standard Performance Exhaust System: Manufacturer part # 210-HXR-5012 - Modeled on the T-4, the Ti-4 system utilizes two types of lightweight aerospace titanium for superior weight savings. Modular end-cap design allows for tunable power to personal preference and riding conditions. Silencers include U.S.F.S.-approved wire-meshed spark arrestor that can be removed for closed-course racing. Steel Allen head screws make repacking an easy task. Exclusive E-glass pillow packing. S-wedge-fit titanium intake tube. Designed to use all the OEM hardware for a trouble-free installation. Extensively track- and dyno-tested. Systems are complete and include header.. 210-HXR-5012
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Big Gun Exhaust System
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$563.99
FMF Factory 4.1 Exhaust System w/Powerbomb Header 042142
Manufacturer: FMF
Dennis Kirk Part #: 433741
FMF Factory 4.1 Exhaust System w/Powerbomb Header: Manufacturer part # 042142 - The lightest full system available. Superior power and performance ? horsepower improved throughout RPM range. Features exclusive proprietary Chamber Core and PowerBomb technology. Factory Forward Engineering centralizes mass, improves handling. Made from premium quality American materials. Customize with performance tuning inserts and spark arrestor module. Meets AMA sound requirements on most models; inserts available.. 042142
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Big Gun Exhaust System
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$563.99
FMF Factory 4.1 Anodized Exhaust System w/Powerbomb Header 042143
Manufacturer: FMF
Dennis Kirk Part #: 433742
FMF Factory 4.1 Anodized Exhaust System w/Powerbomb Header: Manufacturer part # 042143 - The lightest full system available. Superior power and performance ? horsepower improved throughout RPM range. Features exclusive proprietary Chamber Core and PowerBomb technology. Factory Forward Engineering centralizes mass, improves handling. Made from premium quality American materials. Customize with performance tuning inserts and spark arrestor module. Meets AMA sound requirements on most models; inserts available.. 042143
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Big Gun Exhaust System
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$292.99
Supertrapp 4 in. Racing Series Exhaust System 833-3350
Manufacturer: Supertrapp
Dennis Kirk Part #: 43450
Supertrapp 4 in. Racing Series Exhaust System: Manufacturer part # 833-3350 - SuperTrapp specializes in aftermarket performance exhaust systems designed, built and tested to exactly fit a specific model bike or ATV. Large diameter 1 3/8 in. headpipe exits into a repackage, lightweight aluminum silencer. For any engine, stock to highly modified. Specific-fit mounting. U.S. Forest Service approved spark arrestor. Headpipes not included for this model. Pro Series muffler only.. 833-3350
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Big Gun Exhaust System
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$322.99
Supertrapp Universal MudSlinger Exhaust System p433626
Manufacturer: Supertrapp
Dennis Kirk Part #: 433626
Supertrapp Universal MudSlinger Exhaust System: Manufacturer part # p433626 - ATV riders will be thrilled with SuperTrapp's introduction of the new MudSlinger to its production line. This rugged exhaust, with its polished stainless steel outer body has an aluminum end cap that not only looks cool, but will hold up to th abuse that aggressive ATV riders dish out. The mechanical core offers dramatic increase in torque and throttle response. Equipped with removable USFS Approved Spark Arrestor, the MudSlinger has an aggressive tone, yet is 96db and forestry legal. It utilizes Pillow Pack packing for the ultimate in durability along with superior silencing and an optional deep water fording kit available (part number 433740). All models come complete with clear instructions and all hardware which eliminate guesswork by lending bolt on power right out of the box. NOTE: 1.75 in. inlet; 500-800 cc. p433626
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Big Gun Exhaust System
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$452.99
Supertrapp IDSX Exhaust System 835-6650
Manufacturer: Supertrapp
Dennis Kirk Part #: 447596
Supertrapp IDSX Exhaust System: Manufacturer part # 835-6650 - Exceptional low-end torque while retaining stock decibel level. Lightweight stainless steel exhaust. Specifically engineered for big bore utility ATV's. 3 in. internal disc design with a 4.5 in. canister. Increased performance. User-friendly power band for utility work, farming, hunting and trailriding. Tunable diffuser system. U.S. Forest Service approved spark arrestor. Rejetting is recommended with this exhaust. This is a complete exhaust system. NOTE: There is no warranty on exhaust pipes and mufflers with regard to any discoloration. Discoloration (bluing) is caused by timing characteristics, cam timing, carb jetting, over heating, etc. See the Chems/Lubes section for products that will help prevent or remove the bluing. 835-6650
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Big Gun Exhaust System
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$292.99
Supertrapp 4 in. Racing Series Exhaust System 833-4350
Manufacturer: Supertrapp
Dennis Kirk Part #: 44242
Supertrapp 4 in. Racing Series Exhaust System: Manufacturer part # 833-4350 - SuperTrapp specializes in aftermarket performance exhaust systems designed, built and tested to exactly fit a specific model bike or ATV. Large diameter 1 3/8 in. headpipe exits into a repackage, lightweight aluminum silencer. For any engine, stock to highly modified. Specific-fit mounting. U.S. Forest Service approved spark arrestor. Headpipes not included for this model. Pro Series muffler only.. 833-4350
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Big Gun Exhaust System
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$742.99
Pro Circuit Type 496 Dual Exhaust System 4QK04700496
Manufacturer: Pro Circuit
Dennis Kirk Part #: 431865
Pro Circuit Type 496 Dual Exhaust System: Manufacturer part # 4QK04700496 - Designed to reduce exhaust noise level to legal dB while producing a noticeable gain in horsepower over OEM systems. State-of-the-art system uses a longer aluminum body and special internal E-Glass packing for maximum sound disbursement for less noise and more power. Lightweight brushed aluminum muffler body. FIM-approved stainless steel end cap and intake tube. Hand-assembled and -welded for a fit and finish that would rival any Factory Works part. Includes lightweight aluminum mounting brackets. Wire mesh removable U.S. Forest Serive-approved spark arrester. Modular end caps. Includes head pipe. 4QK04700496
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Big Gun Exhaust System
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$830.99
Pro Circuit Ti-4 Titanium Dual Exhaust System 4QK04700TI
Manufacturer: Pro Circuit
Dennis Kirk Part #: 431968
Pro Circuit Ti-4 Titanium Dual Exhaust System : Manufacturer part # 4QK04700TI - Modeled on the T-4 the Ti-4 utilizes two types of lightweight aerospace titanium for superior weight savings. Provide lightning-quick throttle response, stronger response during hard acceleration and increased horsepower across the powerband. Includes stainless steel head pipe. Modular end-cap design allows for tunable power to personal preference and riding conditions. Silencers include U.S.F.S.-approved wire-meshed spark arrestor that can be removed for closed-course racing. Steel Allen head screws make repacking an easy task. Exclusive E-glass pillow packing. Silencers can be used with OEM stock or a Pro Circuit header; systems include 304 stainless steel header. S-wedge-fit titanium intake tube. Designed to use all the OEM hardware for a trouble-free installation. Extensively track- and dyno-tested.. 4QK04700TI
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Big Gun Exhaust System
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