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Pro Circuit T-4 4-Stroke Silencer 4QS04250

Exhaust: Pro Circuit Stainless Steel Header 4QS03400H
$189.99 Exhaust: Pro Circuit Stainless Steel Header 4QS03400H
Manufacturer: Pro Circuit
Dennis Kirk Part #: 448113
Pro Circuit Stainless Steel Header: Manufacturer part # 4QS03400H - Stainless steel headers are specially designed to improve performance when compared to stock headers. Built from 304 stainless steel to ensure maximum durability and corrosion resistance. Note: Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing, therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration.. 4QS03400H


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Exhaust: Pro Circuit Ti-4 4-Stroke Titanium Silencer 4QS03400TI
$415.99 Exhaust: Pro Circuit Ti-4 4-Stroke Titanium Silencer 4QS03400TI
Manufacturer: Pro Circuit
Dennis Kirk Part #: 448922
Pro Circuit Ti-4 4-Stroke Titanium Silencer: Manufacturer part # 4QS03400TI - Modeled on the T-4, the Ti-4 system 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. Modular end-cap design allows for tunable power to personal preference and riding conditions. Silencers include U.S.F.S.-approved wire-meshed spark arrester 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. Wedge-fit titanium intake tube. Designed to use all the OEM hardware for a trouble-free installation. Extensively track- and dyno-tested. Features Euro-style end caps. 4QS03400TI


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More Info/Options for Pro Circuit Ti-4 4-Stroke Titanium Silencer 4QS03400TI
Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QS04250
$327.99 Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QS04250
Manufacturer: Pro Circuit
Dennis Kirk Part #: 431734
Pro Circuit T-4 4-Stroke Silencer: Manufacturer part # 4QS04250 - Designed to boost output throughout the powerband. Fine-tune your power delivery by changing end caps. Lighter than stock. Extruded 6063 aluminum silencer resists oxidation and features long-lasting packing material. Quick access to the U.S.F.S. approved screen spark arrester through removable end cap tip. Silencers can be used with OEM or Pro Circuit header.. 4QS04250


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More Info/Options for Pro Circuit T-4 4-Stroke Silencer 4QS04250
Exhaust: Pro Circuit Stainless Steel Header 4QS04250H
$189.99 Exhaust: Pro Circuit Stainless Steel Header 4QS04250H
Manufacturer: Pro Circuit
Dennis Kirk Part #: 431735
Pro Circuit Stainless Steel Header: Manufacturer part # 4QS04250H - Stainless steel headers are specially designed to improve performance when compared to stock headers; built from 304 stainless steel to ensure maximum durability and corrosion resistance. Note: Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing, therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration.. 4QS04250H


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More Info/Options for Pro Circuit Stainless Steel Header 4QS04250H
Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QS05700
$328.99 Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QS05700
Manufacturer: Pro Circuit
Dennis Kirk Part #: 431963
Pro Circuit T-4 4-Stroke Silencer: Manufacturer part # 4QS05700 - Designed to boost output throughout the powerband. Fine-tune your power delivery by changing end caps (See T-4 Replacement End Caps under Exhaust Replacement Parts and Accessories). Lighter than stock. Extruded 6063 aluminum silencer resists oxidation and features long-lasting packing material. Quick access to the U.S. Forest Service approved screen spark arrester through removable end cap tip. Can be used with OEM or Pro Circuit headpipe (sold separately).. 4QS05700


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More Info/Options for Pro Circuit T-4 4-Stroke Silencer 4QS05700
Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QS06450
$327.99 Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QS06450
Manufacturer: Pro Circuit
Dennis Kirk Part #: 433082
Pro Circuit T-4 4-Stroke Silencer: Manufacturer part # 4QS06450 - 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 modular 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 Service-approved spark arrestor.. 4QS06450


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More Info/Options for Pro Circuit T-4 4-Stroke Silencer 4QS06450
Exhaust: Pro Circuit Stainless Steel Header 4QS06450H
$189.99 Exhaust: Pro Circuit Stainless Steel Header 4QS06450H
Manufacturer: Pro Circuit
Dennis Kirk Part #: 433085
Pro Circuit Stainless Steel Header: Manufacturer part # 4QS06450H - Pro Circuit is a custom precision engine and suspension building facility. Stainless steel headers are specially designed to improve performance when compared to stock headers; built from 304 stainless steel to ensure maximum durability and corrosion resistance. Note: Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing, therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration.. 4QS06450H


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More Info/Options for Pro Circuit Stainless Steel Header 4QS06450H
Exhaust: Pro Circuit Ti-4 4-Stroke Titanium Silencer 4QS06450TI
$415.99 Exhaust: Pro Circuit Ti-4 4-Stroke Titanium Silencer 4QS06450TI
Manufacturer: Pro Circuit
Dennis Kirk Part #: 433084
Pro Circuit Ti-4 4-Stroke Titanium Silencer: Manufacturer part # 4QS06450TI - Modeled on the T-4, the Ti-4 system 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. Modular end-cap design allows for tunable power to personal preference and riding conditions. Silencers include U.S.F.S.-approved wire-meshed spark arrester 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. Wedge-fit titanium intake tube. Designed to use all the OEM hardware for a trouble-free installation. Extensively track- and dyno-tested. Features Euro-style end caps, , Included items: , Muffler with mid pipe, 2 mounting spacers. 4QS06450TI


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More Info/Options for Pro Circuit Ti-4 4-Stroke Titanium Silencer 4QS06450TI
Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QS07050
$265.99 Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QS07050
Manufacturer: Pro Circuit
Dennis Kirk Part #: 433867
Pro Circuit T-4 4-Stroke Silencer: Manufacturer part # 4QS07050 - Designed to boost output throughout the powerband. Lighter than stock. Extruded 6063 aluminum silencer resists oxidation and features long-lasting packing material. Quick access to the U.S. Forest Service-approved screen spark arrester through removable end cap tip. Silencers can be used with OEM or Pro Circuit header.. 4QS07050


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More Info/Options for Pro Circuit T-4 4-Stroke Silencer 4QS07050
Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QS07090
$265.99 Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QS07090
Manufacturer: Pro Circuit
Dennis Kirk Part #: 433868
Pro Circuit T-4 4-Stroke Silencer: Manufacturer part # 4QS07090 - Designed to boost output throughout the powerband. Lighter than stock. Extruded 6063 aluminum silencer resists oxidation and features long-lasting packing material. Quick access to the U.S. Forest Service-approved screen spark arrester through removable end cap tip. Silencers can be used with OEM or Pro Circuit header.. 4QS07090


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More Info/Options for Pro Circuit T-4 4-Stroke Silencer 4QS07090
Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QY00400
$327.99 Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QY00400
Manufacturer: Pro Circuit
Dennis Kirk Part #: 448923
Pro Circuit T-4 4-Stroke Silencer: Manufacturer part # 4QY00400 - Designed to boost output throughout the powerband. Fine-tune your power delivery by changing end caps (See T-4 Replacement Parts End Caps under Exhaust Replacement Parts and Accessories). Lighter than stock. Extruded 6063 aluminum silencer resists oxidation and features long-lasting packing material. Quick access to the U.S. Forest Service approved screen spark arrestor through removable end cap tip. Can be used with OEM and Pro Circuit head pipes (sold separately). 4QY00400


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More Info/Options for Pro Circuit T-4 4-Stroke Silencer 4QY00400
Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QY01660
$327.99 Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QY01660
Manufacturer: Pro Circuit
Dennis Kirk Part #: 446805
Pro Circuit T-4 4-Stroke Silencer: Manufacturer part # 4QY01660 - Designed to boost output throughout the powerband. Fine-tune your power delivery by changing end caps (See T-4 Replacement End Caps under Exhaust Replacement Parts and Accessories). Lighter than stock. Extruded 6063 aluminum silencer resists oxidation and features long-lasting packing material. Quick access U.S. Forest Service approved screen spark arrestor. This silencer comes with a 2 in. diameter end cap. Can be used with OEM or Pro Circuit head pipe (sold separately) , NOTE: Rejetting is recommended with this exhaust .. 4QY01660


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More Info/Options for Pro Circuit T-4 4-Stroke Silencer 4QY01660
Exhaust: Pro Circuit Type 496 Spark Arrester Silencer 4QY01660496
$359.99 Exhaust: Pro Circuit Type 496 Spark Arrester Silencer 4QY01660496
Manufacturer: Pro Circuit
Dennis Kirk Part #: 448944
Pro Circuit Type 496 Spark Arrester Silencer: Manufacturer part # 4QY01660496 - 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.. 4QY01660496


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More Info/Options for Pro Circuit Type 496 Spark Arrester Silencer 4QY01660496
Exhaust: Pro Circuit Stainless Steel Header 4QY01660H
$260.99 Exhaust: Pro Circuit Stainless Steel Header 4QY01660H
Manufacturer: Pro Circuit
Dennis Kirk Part #: 446806
Pro Circuit Stainless Steel Header: Manufacturer part # 4QY01660H - Owned and operated by Mitch Payton, Pro Circuit is a custom precision engine and suspension building facility. Pro Circuit's owner has invested over 25 years in engine building and machine shop techniques Stainless steel head pipes are specially designed to improve performance when compared to stock head pipes. Built from 304 stainless steel to ensure maximum durability and corrosion resistance. , , Note: Rejetting is recommended when using this headpipe. Note: Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It is not the result of defective manufacturing, therefore it is not covered by any warranty. See the Chems/Lubes section for products to help remove or prevent exhaust discoloration.. 4QY01660H


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More Info/Options for Pro Circuit Stainless Steel Header 4QY01660H
Exhaust: Pro Circuit Ti-4 4-Stroke Titanium Silencer 4QY01660TI
$415.99 Exhaust: Pro Circuit Ti-4 4-Stroke Titanium Silencer 4QY01660TI
Manufacturer: Pro Circuit
Dennis Kirk Part #: 448945
Pro Circuit Ti-4 4-Stroke Titanium Silencer: Manufacturer part # 4QY01660TI - Modeled on the T-4, the Ti-4 system 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. Modular end-cap design allows for tunable power to personal preference and riding conditions. Silencers include U.S.F.S.-approved wire-meshed spark arrester 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. Wedge-fit titanium intake tube. Designed to use all the OEM hardware for a trouble-free installation. Extensively track- and dyno-tested. Features Euro-style end caps. 4QY01660TI


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More Info/Options for Pro Circuit Ti-4 4-Stroke Titanium Silencer 4QY01660TI
Exhaust: Pro Circuit T-4 4-Stroke Exhaust System w/Headpipe and Mid-Pipe 4QY02080
$231.99 Exhaust: Pro Circuit T-4 4-Stroke Exhaust System w/Headpipe and Mid-Pipe 4QY02080
Manufacturer: Pro Circuit
Dennis Kirk Part #: 448114
Pro Circuit T-4 4-Stroke Exhaust System w/Headpipe and Mid-Pipe: Manufacturer part # 4QY02080 - Designed to boost output throughout the powerband. Fine-tune your power delivery by changing end caps (See t-$ Replacement End Caps under Exhaust Replacement Parts and Accessories). Lighter than stock. Extruded 6063 aluminum silencer resists oxidation and features long-lasting packing material. Quick access to the U.S. Forest Service approved screen spark arrestor through removable end cap tip. 304 stainless steel headpipe, S-bend, inlet cap. one-piece exhaust flange, stand off and springs give a great look, performance and durability. This system includes head pipe and connecting pipe.. 4QY02080


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More Info/Options for Pro Circuit T-4 4-Stroke Exhaust System w/Headpipe and Mid-Pipe 4QY02080
Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QY02660
$327.99 Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QY02660
Manufacturer: Pro Circuit
Dennis Kirk Part #: 447887
Pro Circuit T-4 4-Stroke Silencer: Manufacturer part # 4QY02660 - Designed to boost output throughout the powerband. Fine-tune your power delivery by changing end caps (See T-4 Replacement End caps in Exhaust Replacement Parts and Accessories). Lighter than stock. Extruded 6063 aluminum silencer resists oxidation and features long-lasting packing material. Quick access to the U.S. Forest Service approved screen spark arrestor through removable end cap tip. Can be used with OEM or Pro Circuit Headpipe (sold separately).. 4QY02660


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More Info/Options for Pro Circuit T-4 4-Stroke Silencer 4QY02660
Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QY04350
$355.99 Exhaust: Pro Circuit T-4 4-Stroke Silencer 4QY04350
Manufacturer: Pro Circuit
Dennis Kirk Part #: 431974
Pro Circuit T-4 4-Stroke Silencer: Manufacturer part # 4QY04350 - Designed to boost output throughout the powerband. Fine-tune your power delivery by changing end caps (See T-4 Replacement End Caps under Exhaust Replacement Parts and Accessories). Lighter than stock. Extruded 6063 aluminum silencer resists oxidation and features long-lasting packing material. Quick access to the U.S.F.S. approved screen spark arrester through removable end cap tip. Can be used with OEM or Pro Circuit head pipes (sold separately).. 4QY04350