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  • Kooks Universal 2 1/2in Center/Center Oval Muffler (4x8x12)
    SKU: KO250-12

    Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don’t forget, “Get Kookin with KOOKS!”
    2-1/2in. Oval Muffler. Polished Stainless Steel. Center Inlet/Center Outlet. 12in. Long Body. 16in. Overall length. 4-1/2in. x 7-1/2in. Oval Body. 2-1/2in. I.D. Inlet and Outlet. Sold Individually.
    2-1/2″ Oval Muffler. Polished Stainless Steel. Center Inlet/Center Outlet. 12″ Long Body. 16″ Overall length. 4-1/2″ x 7-1/2″ Oval Body. 2-1/2″ I.D. Inlet and Outlet. Sold Individually.
    2-1/2″ Oval Muffler Polished Stainless Steel Center Inlet/Center Outlet 12″ Long Body 16″ Overall length 4-1/2″ x 7-1/2″ Oval Body 2-1/2″ I.D. Inlet and Outlet Sold Individually

    • Kooks Headers And Exhaust Make The Most Power In The Industry
    • Kooks System Are Specifically Designed For Maximum Power
    • Kooks Products Are Made Of T304 Air Craft Quality Steel
    • Limited Lifetime Warranty To Original Purchaser
    • 3 Generations Being Family Owned And Operated
    • Every Kooks Product Is Dyno And Race Tested
    • Kooks Products Fit And Install The Best
    • 100 Percent Manufactured In The USA
  • Kooks Universal 2.5 Inch GREEN Catalyst 7.5 Inch Length
    SKU: GE-90148

    Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don’t forget, “Get Kookin with KOOKS!”
    2-1/2in. Catalytic Converter Certified to EPA Standards. 2-1/2in. I.D. Inlet and Outlet. 4in. Long 4in. O.D Body. 7in. Overall Length. 400 CPSI High Flow Substrate. Ok for use with Forced Induction. RATED FOR 375 HP PER CAT-750 HP PER PAIR
    2-1/2in. Kooks GREENCATS High Flow Catalytic Converter Certified to EPA Standards. 2-1/2in. I.D. Inlet and Outlet. 4in. Long 4in. O.D Body. 7in. Overall Length. 400 CPSI High Flow Substrate. Helps remove harmful emissions from exhaust. Catalytic Converter Certified to EPA Standards. Elimination of check engine light not guaranteed. Ok for use with Forced Induction. RATED FOR 375 HORSEPOWER PER CAT-750 HORSEPOWER PER PAIR
    2-1/2″ Kooks GREEN High Flow Catalytic Converter Certified to EPA Standards. 2-1/2″ I.D. Inlet and Outlet 4″ Long 4″ O.D Body 7″ Overall Length 400 CPSI High Flow Substrate Helps reduce harmful emissions in exhaust Catalytic Converter Certified to EPA Standards Elimination of check engine light not guaranteedOk for use with Forced Induction RATED FOR 375 HORSEPOWER PER CAT – 750 HORSEPOWER PER PAIR

    • Kooks Headers And Exhaust Make The Most Power In The Industry
    • Kooks System Are Specifically Designed For Maximum Power
    • Kooks Products Are Made Of T304 Air Craft Quality Steel
    • Limited Lifetime Warranty To Original Purchaser
    • 3 Generations Being Family Owned And Operated
    • Every Kooks Product Is Dyno And Race Tested
    • Kooks Products Fit And Install The Best
    • 100 Percent Manufactured In The USA
  • Kooks Universal 3 Inch GREEN Catalyst 7.5 Inch Length 400 cell
    SKU: GE-90147

    Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don’t forget, “Get Kookin with KOOKS!”
    3″ High Flow Catalytic Converter Certified to EPA Standards. 3″ I.D. Inlet and Outlet. 4″ Long 4″ O.D Body. 7″ Overall Length. 400 CPSI High Flow Substrate. Ok for use with Forced Induction. RATED FOR 375 HP PER CAT – 750 HP PER PAIR
    3in. Kooks GREENCATS High Flow Catalytic Converter Certified to EPA Standards. 3in. I.D. Inlet and Outlet. 4in. Long 4in. O.D Body. 7in. Overall Length. 400 CPSI High Flow Substrate. Helps remove harmful emissions from exhaust. Catalytic Converter Certified to EPA Standards. Elimination of check engine light not guaranteed. Ok for use with Forced Induction. RATED FOR 375 HORSEPOWER PER CAT-750 HORSEPOWER PER PAIR
    3″ Kooks GREEN High Flow Catalytic Converter Certified to EPA Standards. 3″ I.D. Inlet and Outlet4″ Long 4″ O.D Body7″ Overall Length400 CPSI High Flow SubstrateHelps reduce harmful emissions in exhaust Certified to EPA Standards Catalytic Converter Elimination of check engine light not guaranteedOk for use with Forced Induction RATED FOR 375 HORSEPOWER PER CAT – 750 HORSEPOWER PER PAIR

    • Kooks Headers And Exhaust Make The Most Power In The Industry
    • Kooks System Are Specifically Designed For Maximum Power
    • Kooks Products Are Made Of T304 Air Craft Quality Steel
    • Limited Lifetime Warranty To Original Purchaser
    • 3 Generations Being Family Owned And Operated
    • Every Kooks Product Is Dyno And Race Tested
    • Kooks Products Fit And Install The Best
    • 100 Percent Manufactured In The USA
  • Kooks Universal 3in ball and socket
    SKU: 7106S

    Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don’t forget, “Get Kookin with KOOKS!”
    3in. Ball and Socket Connection Kit. 2) 6in. Long Pieces of 3in. 304 Stainless Tubing with Flare. 2) 6in. Long Pieces of 3in. 304 Stainless Tubing with Ball. 4) 3in. 2-Bolt Stainless Flanges. 1) Ball and Socket Connection Bolt Kit. Sold as
    3in. Ball and Socket Connection Kit. This Kit Allows You to Add a Connection in a 3in. Exhaust System. 2) 6in. Long Piece of 3in. O.D. 16ga 304 Stainless Steel Tubing with a Flare on One End. 2) 6in. Long Piece of 3in. O.D. 16ga 304 Stainless Steel Tubing with a Ball on One End. 4) 3in. 2-Bolt Flanges laser cut from 3/8in. Thick 304 Stainless Steel. 1) Ball and Socket Connection Bolt Kit. Sold as Kit.
    3″ Ball and Socket Connection Kit. This Kit Allows You to Add a Connection in a 3″ Exhaust System. 2) 6″ Long Piece of 3″ O.D. 16ga 304 Stainless Steel Tubing with a Flare on One End 2) 6″ Long Piece of 3″ O.D. 16ga 304 Stainless Steel Tubing with a Ball on One End 4) 3″ 2-Bolt Flanges laser cut from 3/8″ Thick 304 Stainless Steel 1) Ball and Socket Connection Bolt Kit Sold as Kit.

    • Kooks Headers And Exhaust Make The Most Power In The Industry
    • Kooks System Are Specifically Designed For Maximum Power
    • Kooks Products Are Made Of T304 Air Craft Quality Steel
    • Limited Lifetime Warranty To Original Purchaser
    • 3 Generations Being Family Owned And Operated
    • Every Kooks Product Is Dyno And Race Tested
    • Kooks Products Fit And Install The Best
    • 100 Percent Manufactured In The USA
  • Kooks Universal 3in Center/Center Oval Muffler (4x8x12)
    SKU: KO300-12

    Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don’t forget, “Get Kookin with KOOKS!”
    3in. Oval Muffler. Polished Stainless Steel. Center Inlet/Center Outlet. 12in. Long Body. 16in. Overall length. 4-1/2in. x 7-1/2in. Oval Body. 3in. I.D. Inlet and Outlet. Sold Individually.
    3″ Oval Muffler. Polished Stainless Steel. Center Inlet/Center Outlet. 12″ Long Body. 16″ Overall length. 4-1/2″ x 7-1/2″ Oval Body. 3″ I.D. Inlet and Outlet. Sold Individually.
    3″ Oval Muffler Polished Stainless Steel Center Inlet/Center Outlet 12″ Long Body 16″ Overall length 4-1/2″ x 7-1/2″ Oval Body 3″ I.D. Inlet and Outlet Sold Individually

    • Kooks Headers And Exhaust Make The Most Power In The Industry
    • Kooks System Are Specifically Designed For Maximum Power
    • Kooks Products Are Made Of T304 Air Craft Quality Steel
    • Limited Lifetime Warranty To Original Purchaser
    • 3 Generations Being Family Owned And Operated
    • Every Kooks Product Is Dyno And Race Tested
    • Kooks Products Fit And Install The Best
    • 100 Percent Manufactured In The USA
  • Kooks Universal O2 Sensor Ext Harn
    SKU: EX682-Z

    Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don’t forget, “Get Kookin with KOOKS!”
    O2 Extension Kit C6 Corvette 2) 16in. Front Extension Harness (4-Pin) 2) 18in. Rear Extension Harness (4-Pin). Extensions are included in Header kits where needed. This part is a replacment for damaged or lost Extensions.
    O2 Extension Kit C6 Corvette 2) 16in. Front Extension Harness (4-Pin) 2) 18in. Rear Extension Harness (4-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions.

    • Kooks Headers And Exhaust Make The Most Power In The Industry
    • Kooks System Are Specifically Designed For Maximum Power
    • Kooks Products Are Made Of T304 Air Craft Quality Steel
    • Limited Lifetime Warranty To Original Purchaser
    • 3 Generations Being Family Owned And Operated
    • Every Kooks Product Is Dyno And Race Tested
    • Kooks Products Fit And Install The Best
    • 100 Percent Manufactured In The USA
  • Kooks Universal Spark Plug Sleeve Set - Natural w/Red Logo (Set of 8)
    SKU: 750201

    Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don’t forget, “Get Kookin with KOOKS!”
    Spark Plug Sleeve-Natural W/Red Logo Package of 8 Sleeves. Universal-fits multiple angled spark plug boots. 1-1/4” I.D. at both ends. Withstands up to 1200°F of direct heat. Glass fiber double-wall construction. Fits nearly every boot type!
    Universal Spark Plug Sleeve – Natural W/Red Logo Package of 8 Sleeves
    Universal Spark Plug Sleeve Natural W/Red Logo Package of 8 Sleeves Universal-Fits nearly every type of boot 1-1/4” I.D. at both ends Withstands up to 1200°F of direct heat Glass fiber double-wall construction

    • Kooks Headers And Exhaust Make The Most Power In The Industry
    • Kooks System Are Specifically Designed For Maximum Power
    • Kooks Products Are Made Of T304 Air Craft Quality Steel
    • Limited Lifetime Warranty To Original Purchaser
    • 3 Generations Being Family Owned And Operated
    • Every Kooks Product Is Dyno And Race Tested
    • Kooks Products Fit And Install The Best
    • 100 Percent Manufactured In The USA
  • KraftWerks 06-11 Honda Civic Si Supercharger Kit
    SKU: 150-05-1330

    Kraftwerks is pleased to introduce the newly redesigned supercharger system for the 2006-2011 Honda Civic Si. Centered around the highly efficient Rotrex C30-94 supercharger, the Kraftwerks 2006-2011 Honda Civic Si kit produces impressive results throughout the entire power band due to its patented traction drive technology. And, unlike any other forced induction system, the Kraftwerks supercharger system provides a linear power curve, torque on demand, cooler operating temperatures, and total driveability. The 2006-2011 Civic Si supercharger system provides instant throttle response and a progressive power curve that increases all the way to redline without the typical ‘spiking’ or ‘surging’ associated with turbochargers. This unique, more useable power curve results in reduced cylinder pressures, less strain on engine components, and increased reliability. Rotrex superchargers also operate much cooler when compared to turbochargers and other supercharger systems, which reduces the engine’s intake air temperature as well as its risk of detonation. Rotrex superchargers are renowned for their compact size, high adiabatic efficiency, low vibration, and quiet operation. Their unique traction drive technology is what makes all of this possible, which, unlike other superchargers, transmits power through frictional forces between its rolling elements. Each Rotrex unit features its own self-contained oiling system that remains independent of the engine. Its dual-action oil pump supplies traction fluid to the supercharger while the supplied cooler ensures proper fluid temperatures at all times. Like all Kraftwerks supercharger systems, the 2006-2011 Civic Si supercharger system includes all the necessary brackets, and hardware for a simple bolt-on installation.
    Supercharger Kit;

    • Transmits Power Through Frictional Force Between Rolling Elements
    • Centered Around The Highly Efficient Rotrex C30-94 Supercharger
    • Entire Power Band Due To Its Patented Traction Drive Technology
    • Power Curve That Increases All The Way To Redline w/Out Spiking
    • Kraftwerks Introduces Newly Redesigned Supercharger System
    • Renowned For Their Compact Size/High Adiabatic Efficiency
    • High Quality CNC Machined Brackets/Idler Pulley/Tensioner
    • Cooler Operating Temperatures And Total Drivability
    • Provides A Linear Power Curve And Torque On Demand
    • Features Its Own Self Contained Oiling System
    • Dual Action Oil Pump Supplies Traction Fluid
    • Provides Instant Throttle Response
  • KraftWerks 06-11 Honda Civic Si Supercharger Kit w/ FlashPro
    SKU: 150-05-1331

    Kraftwerks is pleased to introduce the newly redesigned supercharger system for the 2006-2011 Honda Civic Si. Centered around the highly efficient Rotrex C30-94 supercharger, the Kraftwerks 2006-2011 Honda Civic Si kit produces impressive results throughout the entire power band due to its patented traction drive technology. And, unlike any other forced induction system, the Kraftwerks supercharger system provides a linear power curve, torque on demand, cooler operating temperatures, and total driveability. The 2006-2011 Civic Si supercharger system provides instant throttle response and a progressive power curve that increases all the way to redline without the typical ‘spiking’ or ‘surging’ associated with turbochargers. This unique, more useable power curve results in reduced cylinder pressures, less strain on engine components, and increased reliability. Rotrex superchargers also operate much cooler when compared to turbochargers and other supercharger systems, which reduces the engine’s intake air temperature as well as its risk of detonation. Rotrex superchargers are renowned for their compact size, high adiabatic efficiency, low vibration, and quiet operation. Their unique traction drive technology is what makes all of this possible, which, unlike other superchargers, transmits power through frictional forces between its rolling elements. Each Rotrex unit features its own self-contained oiling system that remains independent of the engine. Its dual-action oil pump supplies traction fluid to the supercharger while the supplied cooler ensures proper fluid temperatures at all times. Like all Kraftwerks supercharger systems, the 2006-2011 Civic Si supercharger system includes all the necessary brackets, and hardware for a simple bolt-on installation.
    Supercharger Kit w/Tuning;

    • Transmits Power Through Frictional Force Between Rolling Elements
    • Centered Around The Highly Efficient Rotrex C30-94 Supercharger
    • Entire Power Band Due To Its Patented Traction Drive Technology
    • Power Curve That Increases All The Way To Redline w/Out Spiking
    • Kraftwerks Introduces Newly Redesigned Supercharger System
    • High Quality CNC Machined Brackets/Idler Pulley/Tensioner
    • Renowned For Their Compact Size/High Adiabatic Efficiency
    • Cooler Operating Temperatures And Total Drivability
    • Provides A Linear Power Curve And Torque On Demand
    • Features Its Own Self Contained Oiling System
    • Dual Action Oil Pump Supplies Traction Fluid
    • Provides Instant Throttle Response
  • KraftWerks 12 Civic Si Supercharger Kit (Only Comes w/120mm Pulley - Must Order 110mm Separately)
    SKU: 150-05-1350

    Kraftwerks is pleased to introduce the newly redesigned supercharger system for the 2012-2015 Honda Civic Si. Centered around the highly efficient Rotrex C30-94 supercharger, the Kraftwerks 2012-2015 Honda Civic Si kit produces impressive results throughout the entire power band due to its patented traction drive technology. And, unlike any other forced induction system, the Kraftwerks supercharger system provides a linear power curve, torque on demand, cooler operating temperatures, and total driveability. The 2012-2015 Civic Si supercharger system provides instant throttle response and a progressive power curve that increases all the way to redline without the typical spiking or surging associated with turbochargers. This unique, more useable power curve results in reduced cylinder pressures, less strain on engine components, and increased reliability. Rotrex superchargers also operate much cooler when compared to turbochargers and other supercharger systems, which reduces the engine’s intake air temperature as well as its risk of detonation. Rotrex superchargers are renowned for their compact size, high adiabatic efficiency, low vibration, and quiet operation. Their unique traction drive technology is what makes all of this possible, which, unlike other superchargers, transmits power through frictional forces between its rolling elements. Each Rotrex unit features its own self-contained oiling system that remains independent of the engine. Its dual-action oil pump supplies traction fluid to the supercharger while the supplied cooler ensures proper fluid temperatures at all times.
    Supercharger Kit;

    • Incl. All Necessary Brackets/Hardware Simple Bolt On Installation
    • Centered Around The Highly Efficient Rotrex C30-94 Supercharger
    • High Quality CNC Machined Brackets/Idler Pulley And Tensioner
    • High Adiabatic Efficiency/Low Vibration And Quiet Operation
    • Kraftwerks Introduces Newly Redesigned Supercharger System
    • Cooler Operating Temperatures And Total Drivability
    • Provides Linear Power Curve And Torque On Demand
    • Dual Action Oil Pump Supplies Traction Fluid
    • Patented Traction Drive Technology
    • Self Contained Oiling System
    • Unique Drive Technology
  • KraftWerks 12 Civic Si Supercharger Kit w/ FlashPro
    SKU: 150-05-1351

    Kraftwerks is pleased to introduce the newly redesigned supercharger system for the 2012-2015 Honda Civic Si. Centered around the highly efficient Rotrex C30-94 supercharger, the Kraftwerks 2012-2015 Honda Civic Si kit produces impressive results throughout the entire power band due to its patented traction drive technology. And, unlike any other forced induction system, the Kraftwerks supercharger system provides a linear power curve, torque on demand, cooler operating temperatures, and total driveability. The 2012-2015 Civic Si supercharger system provides instant throttle response and a progressive power curve that increases all the way to redline without the typical spiking or surging associated with turbochargers. This unique, more useable power curve results in reduced cylinder pressures, less strain on engine components, and increased reliability. Rotrex superchargers also operate much cooler when compared to turbochargers and other supercharger systems, which reduces the engine’s intake air temperature as well as its risk of detonation. Rotrex superchargers are renowned for their compact size, high adiabatic efficiency, low vibration, and quiet operation. Their unique traction drive technology is what makes all of this possible, which, unlike other superchargers, transmits power through frictional forces between its rolling elements. Each Rotrex unit features its own self-contained oiling system that remains independent of the engine. Its dual-action oil pump supplies traction fluid to the supercharger while the supplied cooler ensures proper fluid temperatures at all times.
    Supercharger Kit w/Tuning;

    • Transmits Power Through Frictional Force Between Rolling Elements
    • Centered Around The Highly Efficient Rotrex C30-94 Supercharger
    • Entire Power Band Due To Its Patented Traction Drive Technology
    • Power Curve That Increases All The Way To Redline w/Out Spiking
    • Kraftwerks Introduces Newly Redesigned Supercharger System
    • Renowned For Their Compact Size/High Adiabatic Efficiency
    • High Quality CNC Machined Brackets/Idler Pulley/Tensioner
    • Cooler Operating Temperatures And Total Drivability
    • Provides A Linear Power Curve And Torque On Demand
    • Features Its Own Self Contained Oiling System
    • Dual Action Oil Pump Supplies Traction Fluid
    • Provides Instant Throttle Response
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