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$1196.99
KR Tuned Titanium Slip-On Mufflers 4401787
Dennis Kirk Part #: 4401787
KR Tuned Titanium Slip-On Mufflers 4401787: Manufacturer part # 699032299 - Extreme-performance design in a slip-on package. Special canister shape is designed to hug closely to your bike to allow higher lean angles. Removable, EU homologized insert keeps dBs low and power high. Include patented carbon fiber end cap. Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. 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.. 699032299
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More Info/Options for KR Tuned Titanium Slip-On Mufflers 4401787
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$2279.99
KR Tuned Carbon Fiber Full Exhaust System 4401814
Dennis Kirk Part #: 4401814
KR Tuned Carbon Fiber Full Exhaust System 4401814: Manufacturer part # 607112300 - Designed by the Kenny Roberts MotoGP race engineers. Extreme-performance exhaust offers maximum flow and the best possible lean angles. Headers are constructed of lightweight stainless steel with TIG welds for durability. Special canister shape is designed to hug your bike to maximize lean angles. Removable, EU homologized insert keeps dBs low and power high. Include patented carbon fiber end cap, , NOTE: Installation of a new exhaust system may change your motorcycle's fuel-air mixture requirements. Please consult the exhaust manufacturer directly with questions regarding any modifications that may need to be made during, or after, installation of their product. If a jet kit or EFI controller is recommended, see the Intake & Fuel section, , NOTE: Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It s not the result of defective maufacturing; therefore is not covered by any warranty., , See Chems & Lubes section for products that will help prevent or remove blueing.. 607112300
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More Info/Options for KR Tuned Carbon Fiber Full Exhaust System 4401814
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$1348.99
KR Tuned Carbon Fiber Slip-On Mufflers 4402585
Dennis Kirk Part #: 4402585
KR Tuned Carbon Fiber Slip-On Mufflers 4402585: Manufacturer part # 807082200 - Extreme-performance design in a slip-on package. Special canister shape is designed to hug closely to your bike to allow higher lean angles. Removable, EU homologized insert keeps dBs low and power high. Include patented carbon fiber end cap. Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. 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.. 807082200
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More Info/Options for KR Tuned Carbon Fiber Slip-On Mufflers 4402585
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$1695.99
KR Tuned Carbon Fiber Full Exhaust System 4401812
Dennis Kirk Part #: 4401812
KR Tuned Carbon Fiber Full Exhaust System 4401812: Manufacturer part # 506102300 - Designed by the Kenny Roberts MotoGP race engineers. Extreme-performance exhaust offers maximum flow and the best possible lean angles. Headers are constructed of lightweight stainless steel with TIG welds for durability. Special canister shape is designed to hug your bike to maximize lean angles. Removable, EU homologized insert keeps dBs low and power high. Include patented carbon fiber end cap, , NOTE: Installation of a new exhaust system may change your motorcycle's fuel-air mixture requirements. Please consult the exhaust manufacturer directly with questions regarding any modifications that may need to be made during, or after, installation of their product. If a jet kit or EFI controller is recommended, see the Intake & Fuel section, , NOTE: Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It s not the result of defective maufacturing; therefore is not covered by any warranty., , See Chems & Lubes section for products that will help prevent or remove blueing.. 506102300
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More Info/Options for KR Tuned Carbon Fiber Full Exhaust System 4401812
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$1695.99
KR Tuned Titanium Full Exhaust System 4401811
Dennis Kirk Part #: 4401811
KR Tuned Titanium Full Exhaust System 4401811: Manufacturer part # 506102399 - Designed by the Kenny Roberts MotoGP race engineers. Extreme-performance exhaust offers maximum flow and the best possible lean angles. Headers are constructed of lightweight stainless steel with TIG welds for durability. Special canister shape is designed to hug your bike to maximize lean angles. Removable, EU homologized insert keeps dBs low and power high. Include patented carbon fiber end cap, , NOTE: Installation of a new exhaust system may change your motorcycle's fuel-air mixture requirements. Please consult the exhaust manufacturer directly with questions regarding any modifications that may need to be made during, or after, installation of their product. If a jet kit or EFI controller is recommended, see the Intake & Fuel section, , NOTE: Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It s not the result of defective maufacturing; therefore is not covered by any warranty., , See Chems & Lubes section for products that will help prevent or remove blueing.. 506102399
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More Info/Options for KR Tuned Titanium Full Exhaust System 4401811
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$566.99
Bostrom Racing Gild Series High Mount Race Core Slip-On Stainless Steel Muffler 4400814
Dennis Kirk Part #: 4400814
Bostrom Racing Gild Series High Mount Race Core Slip-On Stainless Steel Muffler 4400814: Endorsed by two top street-racing brothers, Bostrom Racings Gild series slip-ons are the result of extensive track and R&D testing and are tuned to work perfectly with your bikes stock fuel curve/mapping. State-of-the-art design features stainless steel mid-pipes and show-quality polished stainless steel muffler shells, end caps and tips. 2.5" diameter outlet tips have an aggressive 55 deg. slash-cut that screams MotoGP and/or Stunter styling. Muffler shells are extremely lightweight and robotically welded for a seamless fit. 6061 T-6 aluminum billet end caps are CNC-machined from solid material to exacting tolerances. Components are so precisely machined and assembled, that they require only four stainless steel button head screws on each end to secure them. Exit caps are stylishly milled with the Boz Brothers "B" logo and tribal etching. Slip-ons has a racing core and is packed exclusively with long-lasting Silent Sport Premium from Germany. Racing cores feature 15" L muffler shells and 2.5" low-percentage perforated cores for maximum flow and aggressive exhaust tone; most average 85-88 dB at idle; 97-100 dB at 5000 rpm (tested statically at 20", 45 deg.). NOTE: This is a general picture, the actual exhaust for your motorcycle may differ slightly Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. 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. NOTE: This item ships in 3-4 days after the order is placed..
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More Info/Options for Bostrom Racing Gild Series High Mount Race Core Slip-On Stainless Steel Muffler 4400814
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$539.99
Bostrom Racing Gild Series Race Core Flanged Bolt-On Stainless Steel Muffler 4400806
Dennis Kirk Part #: 4400806
Bostrom Racing Gild Series Race Core Flanged Bolt-On Stainless Steel Muffler 4400806: Endorsed by two top street-racing brothers, Bostrom Racings Gild series bolt-ons are the result of extensive track and R&D testing and are tuned to work perfectly with your bikes stock fuel curve/mapping. State-of-the-art design features stainless steel mid-pipes and show-quality polished stainless steel muffler shells, end caps and tips. 2.5" diameter outlet tips have an aggressive 55 deg. slash-cut that screams MotoGP and/or Stunter styling. Muffler shells are extremely lightweight and robotically welded for a seamless fit. 6061 T-6 aluminum billet end caps are CNC-machined from solid material to exacting tolerances. Components are so precisely machined and assembled, that they require only four stainless steel button head screws on each end to secure them. Exit caps are stylishly milled with the Boz Brothers "B" logo and tribal etching. Bolt-on has a racing core and is packed exclusively with long-lasting Silent Sport Premium from Germany. Racing cores feature 15" L muffler shells and 2.5" low-percentage perforated cores for maximum flow and aggressive exhaust tone; most average 85-88 dB at idle; 97-100 dB at 5000 rpm (tested statically at 20", 45 deg.). NOTE: This is a general picture the actual exhaust for your motorcycle may differ slightly Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. 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. , , This item ships in 3-4 days after the order is placed..
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More Info/Options for Bostrom Racing Gild Series Race Core Flanged Bolt-On Stainless Steel Muffler 4400806
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$1062.99
Bostrom Racing Gild Series Dual Street Core Slip-On Stainless Steel Undertail Mufflers 4400825
Dennis Kirk Part #: 4400825
Bostrom Racing Gild Series Dual Street Core Slip-On Stainless Steel Undertail Mufflers 4400825: Endorsed by two top street-racing brothers, Bostrom Racings Gild series slip-ons are the result of extensive track and R&D testing and are tuned to work perfectly with your bikes stock fuel curve/mapping. State-of-the-art design features stainless steel mid-pipes and show-quality polished stainless steel muffler shells, end caps and tips. 2.5" diameter outlet tips have an aggressive 55 deg. slash-cut that screams MotoGP and/or Stunter styling. Muffler shells are extremely lightweight and robotically welded for a seamless fit. 6061 T-6 aluminum billet end caps are CNC-machined from solid material to exacting tolerances. Components are so precisely machined and assembled, that they require only four stainless steel button head screws on each end to secure them. Exit caps are stylishly milled with the Boz Brothers "B" logo and tribal etching. Slip-on has a street core and is packed exclusively with long-lasting Silent Sport Premium from Germany. Street cores feature 18" L muffler shells and 2" high-percentage perforated cores to assure a quieter exhaust tone; most average 82-84 dB at idle, 93-95 dB at 5000 rpm (tested statically at 20", 45 deg.). Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. 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. , , NOTE: This is a general picture, the actual exhaust for your motorcycle may differ slightly, , NOTE: This item ships 3-4 business days after order is placed.
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More Info/Options for Bostrom Racing Gild Series Dual Street Core Slip-On Stainless Steel Undertail Mufflers 4400825
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$1062.99
Bostrom Racing Gild Series Dual Race Core Slip-On Stainless Steel Mufflers 4400808
Dennis Kirk Part #: 4400808
Bostrom Racing Gild Series Dual Race Core Slip-On Stainless Steel Mufflers 4400808: Endorsed by two top street-racing brothers, Bostrom Racings Gild series slip-ons are the result of extensive track and R&D testing and are tuned to work perfectly with your bikes stock fuel curve/mapping. State-of-the-art design features stainless steel mid-pipes and show-quality polished stainless steel muffler shells, end caps and tips. 2.5 in. diameter outlet tips have an aggressive 55 deg. slash-cut that screams MotoGP and/or Stunter styling. Muffler shells are extremely lightweight and robotically welded for a seamless fit. 6061 T-6 aluminum billet end caps are CNC-machined from solid material to exacting tolerances. Components are so precisely machined and assembled, that they require only four stainless steel button head screws on each end to secure them. Exit caps are stylishly milled with the Boz Brothers "B" logo and tribal etching. Slip-on has a racing core, and is packed exclusively with long-lasting Silent Sport Premium from Germany. Racing cores feature 15 in. L muffler shells and 2.5 in. low-percentage perforated cores for maximum flow and aggressive exhaust tone; most average 85-88 dB at idle; 97-100 dB at 5000 rpm (tested statically at 20 in., 45 deg.). , , INCLUDED ITEMS: , Two oval slip-on mufflers. One mid pipe. Two muffler hangers. Two rubber hanger gaskets. Four exhaust clamps. One instruction sheet. Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. 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. , , NOTE: This is a general picture the actual exhaust for your motorcycle may differ slightly, , NOTE: This item ships 3-4 business days after order is placed.
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More Info/Options for Bostrom Racing Gild Series Dual Race Core Slip-On Stainless Steel Mufflers 4400808
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$566.99
Bostrom Racing Gild Series High Mount Street Core Slip-On Stainless Steel Muffler 4400813
Dennis Kirk Part #: 4400813
Bostrom Racing Gild Series High Mount Street Core Slip-On Stainless Steel Muffler 4400813: Endorsed by two top street-racing brothers, Bostrom Racings Gild series slip-ons are the result of extensive track and R&D testing and are tuned to work perfectly with your bikes stock fuel curve/mapping. State-of-the-art design features stainless steel mid-pipes and show-quality polished stainless steel muffler shells, end caps and tips. 2.5 in. diameter outlet tips have an aggressive 55 deg. slash-cut that screams MotoGP and/or Stunter styling. Muffler shells are extremely lightweight and robotically welded for a seamless fit. 6061 T-6 aluminum billet end caps are CNC-machined from solid material to exacting tolerances. Components are so precisely machined and assembled, that they require only four stainless steel button head screws on each end to secure them. Exit caps are stylishly milled with the Boz Brothers "B" logo and tribal etching. Slip-ons have a street core and are packed exclusively with long-lasting Silent Sport Premium from Germany. Street cores feature 18" L muffler shells and 2" high-percentage perforated cores to assure a quieter exhaust tone; most average 82-84 dB at idle, 93-95 dB at 5000 rpm (tested statically at 20 in., 45 deg.) INCLUDED ITEMS: One oval muffler with slash cut tip. One muffler hanger strap with rubber liner. Two pipe clamps. One mounting bracket. One 8mm nylock nut. Two 8mm flat washers. One 8mm-1.25 x 25mm socket head screw. One billet servo override. One instruction sheet. NOTE: This is a general picture, the actual exhaust for your motorcycle may differ slightly Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. 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..
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More Info/Options for Bostrom Racing Gild Series High Mount Street Core Slip-On Stainless Steel Muffler 4400813
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$1027.99
Bostrom Racing B2 Series Full Exhaust System 4402849
Dennis Kirk Part #: 4402849
Bostrom Racing B2 Series Full Exhaust System 4402849: Dyno-developed headpipes feature smooth full-radius mandrel bends. Lightweight, thin-gauge 304-series stainless steel tubes slip-fit into hand-built, TIG-welded merge-style collectors. Racing-inspired spring mounting system retains headpipes and merge collectors to ensure easy installation and removal. Slash-cut megaphones with dual core element provide three different options on sound and power. Incredible exhaust tone and power over stock exhaust system. Run it wide open, with the primary core, or with the primary and secondary core installed. Both cores are packed exclusively with Silent Premium from Germany. , , NOTE: Installation of a new exhaust system may change your motorcycle's fuel-air mixture requirements. Please consult the exhaust manufacturer directly with questions regarding any modifications that may need to be made during, or after, installation of their product. If a jet kit or EFI controller is recommended, see the Intake & Fuel section, , NOTE: Exhaust discoloration (blueing) is caused by engine conditions such as cam timing, fuel-air mixture, operating temperature, etc. It s not the result of defective maufacturing; therefore is not covered by any warranty., , See Chems & Lubes section for products that will help prevent or remove blueing..
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More Info/Options for Bostrom Racing B2 Series Full Exhaust System 4402849
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$932.99
Bostrom Racing B2 Series Full Exhaust System 4402013
Dennis Kirk Part #: 4402013
Bostrom Racing B2 Series Full Exhaust System 4402013: Dyno-developed headpipes feature smooth full-radius mandrel bends. Lightweight, thin-gauge 304-series stainless steel tubes slip-fit into hand-built, TIG-welded merge-style collectors. Racing-inspired spring mounting system retains headpipes and merge collectors to ensure easy installation and removal. Slash-cut megaphones with dual core element provide three different options on sound and power. Incredible exhaust tone and power over stock exhaust system. Run it wide open, with the primary core, or with the primary and secondary core installed. Both cores are packed exclusively with Silent Premium from Germany. , , NOTE: Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available, , 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.
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More Info/Options for Bostrom Racing B2 Series Full Exhaust System 4402013
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$566.99
Bostrom Racing Gild Series Street Core Slip-On Stainless Steel Muffler 4400815
Dennis Kirk Part #: 4400815
Bostrom Racing Gild Series Street Core Slip-On Stainless Steel Muffler 4400815: Endorsed by two top street-racing brothers, Bostrom Racings Gild series slip-ons are the result of extensive track and R&D testing and are tuned to work perfectly with your bikes stock fuel curve/mapping. State-of-the-art design features stainless steel mid-pipes and show-quality polished stainless steel muffler shells, end caps and tips. 2.5 in. diameter outlet tips have an aggressive 55 deg. slash-cut that screams MotoGP and/or Stunter styling. Muffler shells are extremely lightweight and robotically welded for a seamless fit. 6061 T-6 aluminum billet end caps are CNC-machined from solid material to exacting tolerances. Components are so precisely machined and assembled, that they require only four stainless steel button head screws on each end to secure them. Exit caps are stylishly milled with the Boz Brothers "B" logo and tribal etching. Slip-on has a street core, and is packed exclusively with long-lasting Silent Sport Premium from Germany. Street cores feature 18" L muffler shells and 2" high-percentage perforated cores to assure a quieter exhaust tone; most average 82-84 dB at idle, 93-95 dB at 5000 rpm (tested statically at 20", 45 deg). INCLUDED ITEMS: One oval muffler with slash cut tip. One muffler hanger strap with rubber liner. Two pipe clamps. One O2 sensor plug and washer. One instruction sheet. , ,. This is a general picture the actual exhaust for your motorcycle may differ slightly . Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. 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.
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More Info/Options for Bostrom Racing Gild Series Street Core Slip-On Stainless Steel Muffler 4400815
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$1062.99
Bostrom Racing Gild Series Dual Street Core Slip-On Stainless Steel Mufflers 4400807
Dennis Kirk Part #: 4400807
Bostrom Racing Gild Series Dual Street Core Slip-On Stainless Steel Mufflers 4400807: Endorsed by two top street-racing brothers, Bostrom Racings Gild series slip-ons are the result of extensive track and R&D testing and are tuned to work perfectly with your bikes stock fuel curve/mapping. State-of-the-art design features stainless steel mid-pipes and show-quality polished stainless steel muffler shells, end caps and tips. 2.5" diameter outlet tips have an aggressive 55 deg. slash-cut that screams MotoGP and/or Stunter styling. Muffler shells are extremely lightweight and robotically welded for a seamless fit. 6061 T-6 aluminum billet end caps are CNC-machined from solid material to exacting tolerances. Components are so precisely machined and assembled, that they require only four stainless steel button head screws on each end to secure them. Exit caps are stylishly milled with the Boz Brothers "B" logo and tribal etching. Slip-on has a street core and is packed exclusively with long-lasting Silent Sport Premium from Germany. Street cores feature 18" L muffler shells and 2" high-percentage perforated cores to assure a quieter exhaust tone; most average 82-84 dB at idle, 93-95 dB at 5000 rpm (tested statically at 20", 45 deg.). Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. 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. , , NOTE: This is a general picture the actual exhaust for your motorcycle may differ slightly, , NOTE: This item ships 3-4 business days after order is placed.
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More Info/Options for Bostrom Racing Gild Series Dual Street Core Slip-On Stainless Steel Mufflers 4400807
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$566.99
Bostrom Racing Gild Series Street Core Slip-On Stainless Steel Undertail Muffler 4400789
Dennis Kirk Part #: 4400789
Bostrom Racing Gild Series Street Core Slip-On Stainless Steel Undertail Muffler 4400789: Endorsed by two top street-racing brothers, Bostrom Racings Gild series slip-on are the result of extensive track and R&D testing and are tuned to work perfectly with your bikes stock fuel curve/mapping. State-of-the-art design features stainless steel mid-pipes and show-quality polished stainless steel muffler shells, end caps and tips. 2.5 in. diameter outlet tips have an aggressive 55deg. slash-cut that screams MotoGP and/or Stunter styling. Muffler shells are extremely lightweight and robotically welded for a seamless fit. 6061 T-6 aluminum billet end caps are CNC-machined from solid material to exacting tolerances. Components are so precisely machined and assembled, that they require only four stainless steel button head screws on each end to secure them. Exit caps are stylishly milled with the Boz Brothers "B" logo and tribal etching. Slip-on has a street core, and is packed exclusively with long-lasting Silent Sport Premium from Germany. Street cores feature 18" L muffler shells and 2" high-percentage perforated cores to assure a quieter exhaust tone; most average 82-84 dB at idle, 93-95 dB at 5000 rpm (tested statically at 20", 45deg.); under-tail models have shorter mufflers so sound levels will be slightly higher. NOTE: This is a general picture the actual exhaust for your motorcycle may differ slightly Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. 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..
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More Info/Options for Bostrom Racing Gild Series Street Core Slip-On Stainless Steel Undertail Muffler 4400789
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$566.99
Bostrom Racing Gild Series Race Core Slip-On Stainless Steel Undertail Muffler 4400790
Dennis Kirk Part #: 4400790
Bostrom Racing Gild Series Race Core Slip-On Stainless Steel Undertail Muffler 4400790: Endorsed by two top street-racing brothers, Bostrom Racings Gild series slip-ons are the result of extensive track and R&D testing and are tuned to work perfectly with your bikes stock fuel curve/mapping. State-of-the-art design features stainless steel mid-pipes and show-quality polished stainless steel muffler shells, end caps and tips. 2.5 in. diameter outlet tips have an aggressive 55deg. slash-cut that screams MotoGP and/or Stunter styling. Muffler shells are extremely lightweight and robotically welded for a seamless fit. 6061 T-6 aluminum billet end caps are CNC-machined from solid material to exacting tolerances. Components are so precisely machined and assembled, that they require only four stainless steel button head screws on each end to secure them. Exit caps are stylishly milled with the Boz Brothers "B" logo and tribal etching. Slip-on has a street core, and is packed exclusively with long-lasting Silent Sport Premium from Germany. Racing cores feature 15" L muffler shells and 2.5" low-percentage perforated cores for maximum flow and aggressive exhaust tone; most average 85-88 dB at idle; 97-100 dB at 5000 rpm (tested statically at 20", 45deg.); under-tail models have shorter mufflers so sound levels will be slightly higher. NOTE: This is a general picture the actual exhaust for your motorcycle may differ slightly Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the manufacturer directly with questions regarding any modifications that may need to be made during, or after installing their product. If a jet kit or EFI controller is recommended please see the Intake/Fuel section for products available. 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. NOTE: This item ships in 3-4 days after the order is placed..
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More Info/Options for Bostrom Racing Gild Series Race Core Slip-On Stainless Steel Undertail Muffler 4400790
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$1062.99
Bostrom Racing Gild Series Dual Race Core Slip-On Stainless Steel Undertail Mufflers 4400826
Dennis Kirk Part #: 4400826
Bostrom Racing Gild Series Dual Race Core Slip-On Stainless Steel Undertail Mufflers 4400826: Endorsed by two top street-racing brothers, Bostrom Racings Gild series slip-ons are the result of extensive track and R&D testing and are tuned to work perfectly with your bikes stock fuel curve/mapping. State-of-the-art design features stainless steel mid-pipes and show-quality polished stainless steel muffler shells, end caps and tips. 2.5" diameter outlet tips have an aggressive 55 deg. slash-cut that screams MotoGP and/or Stunter styling. Muffler shells are extremely lightweight and robotically welded for a seamless fit. 6061 T-6 aluminum billet end caps are CNC-machined from solid material to exacting tolerances. Components are so precisely machined and assembled, that they require only four stainless steel butto | |
