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  • Kooks 14+ GM 1500 Series Truck 6.2L 3in x OEM Out GREEN Cat SS Y Pipe Kooks HDR Req
    SKU: 28613300

    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. x 3-1/2in.(OEM) GREEN Catted Stainless Steel Y-Pipe. 2014-2018 GM 1500 Series Truck/2015-2020 SUV 6.2L. Must be used with Kooks Long Tube Headers. Includes Clamps. Outlet connects to OEM Exhaust re-using OEM Hardware.
    3in. x 3-1/2in.(OEM) GREEN Catted Stainless Steel Y-Pipe. 2014-2018 GM 1500 Series Truck/2015-2020 SUV 6.2L . 3in. 16GA 304 Stainless Steel Construction. KOOKS GREEN Cats 400 cell High Flow Catatlytic Converters. Ball and Socket style Connection to Headers. Must be used with Kooks Long Tube Headers. Includes Clamps. Outlet connects to OEM Exhaust re-using OEM Hardware.
    3″ x 3-1/2″(OEM) GREEN Catted Stainless Steel Y-Pipe. 2014-2018 GM 1500 Series Truck/2015-2020 SUV 6.2L 3″ 16GA 304 Stainless Steel Construction KOOKS GREEN Cats 400 Cell High Flow Catatlytic ConvertersBall and Socket style Connection to Headers Requires Kooks Long Tube Headers Includes Clamps Outlet connects to OEM Exhaust re-using OEM Hardware

    • 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 14-17 Chevrolet SS Base 1-7/8 x 3 Header & Catted X-Pipe Kit
    SKU: 2510H420

    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!”
    Header and Connection Kit. 2014-2017 Chevrolet SS LS3 6.2L. Includes 1-7/8in. x 3in. Stainless Steel Long Tube Headers/3in. x 2-1/2in. (OEM) Stainless Steel Catted X-Pipe.

    • Kooks Products Are Backed By A Limited Lifetime Warranty To The Original Purchaser
    • Kooks Products Are Dyno And Race Tested And Designed For Maximum Power
    • Kooks Uses T304 Aircraft Quality Stainless Steel
    • Manufactured In The USA
  • Kooks 14-17 Chevrolet SS Base 1-7/8 x 3 Header & Green Catted X-Pipe Kit
    SKU: 2510H430

    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!”
    Header and Connection Kit. 2014-2017 Chevrolet SS LS3 6.2L. Includes 1-7/8in. x 3in. Stainless Steel Long Tube Headers/3in. x 2-1/2in. (OEM) Stainless Steel GREEN Catted X-Pipe.

    • 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 14-19 Chevrolet Corvette 1-7/8 x 2 x 3 Header & Green Catted X-Pipe Kit
    SKU: 2170H530

    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!”
    Header and Connection Kit. 2014-2019 Chevrolet Corvette C7 LT1/LT4/LT5 6.2L. Includes 1-7/8in. x 2in. x 3in. Stainless Steel Long Tube Headers/3in. x 2-3/4in.(OEM) GREEN Catted Stainless X-Pipe. Connects to 2-3/4in. OEM Style Exhaust.

    • 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 14-19 Chevrolet Corvette 1-7/8 x 3 Header & Green Catted X-Pipe Kit
    SKU: 2170H430

    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!”
    Header and Connection Kit. 2014-2019 Chevrolet Corvette C7 LT1/LT4/LT5 6.2L. Includes 1-7/8in. x 3in. Stainless Steel Long Tube Headers/3in. x 2-3/4in.(OEM) GREEN Catted Stainless X-Pipe. Connects to 2-3/4in. OEM Style Exhaust.

    • 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 14-19 Chevrolet Corvette 2 x 3 Header & Green Catted X-Pipe Kit
    SKU: 2170H630

    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!”
    Header and Connection Kit. 2014-2019 Chevrolet Corvette C7 LT1/LT4/LT5 6.2L. Includes 2in. x 3in. Stainless Steel Long Tube Headers/3in. x 2-3/4in.(OEM) GREEN Catted Stainless X-Pipe. Connects to 2-3/4in. OEM Style Exhaust.

    • 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 14-19 Chevrolet Corvette Stingray Z51 Grand Sport 1-7/8 x 2 x 3 Header & Catted X-Pipe Kit
    SKU: 2170H520

    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!”
    Header and Connection Kit. 2014-2019 Chevrolet Corvette C7 LT1 6.2L. Includes 1-7/8in. x 2in. x 3in. Stainless Steel Long Tube Headers/3in. x 2-3/4in.(OEM) Catted Stainless X-Pipe. Connects to OEM Style Exhaust.

    • Kooks Products Are Backed By A Limited Lifetime Warranty To The Original Purchaser
    • Kooks Products Are Dyno And Race Tested And Designed For Maximum Power
    • Kooks Uses T304 Aircraft Quality Stainless Steel
    • Manufactured In The USA
  • Kooks 14-19 Chevrolet Corvette Stingray Z51 Grand Sport 1-7/8 x 3 Header & Catted X-Pipe Kit
    SKU: 2170H420

    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!”
    Header and Connection Kit. 2014-2019 Chevrolet Corvette C7 LT1 6.2L. Includes 1-7/8in. x 3in. Stainless Steel Long Tube Headers/3in. x 2-3/4in.(OEM) Catted Stainless X-Pipe. Connects to OEM Style Exhaust.

    • Kooks Products Are Backed By A Limited Lifetime Warranty To The Original Purchaser
    • Kooks Products Are Dyno And Race Tested And Designed For Maximum Power
    • Kooks Uses T304 Aircraft Quality Stainless Steel
    • Manufactured In The USA
  • Kooks 14-19 Chevrolet Corvette Stingray Z51 Grand Sport 2 x 3 Header & Catted X-Pipe Kit
    SKU: 2170H620

    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!”
    Header and Connection Kit. 2014-2019 Chevrolet Corvette C7 LT1 6.2L. Includes 2in. x 3in. Stainless Steel Long Tube Headers/3in. x 2-3/4in.(OEM) Catted Stainless X-Pipe. Connects to OEM Style Exhaust.
    Header and Connection Kit. 2014-2019 Chevrolet Corvette C7 LT1 6.2L. Includes 2″ x 3″ Stainless Steel Long Tube Headers & 3″ x 2-3/4″(OEM) Catted Stainless X-Pipe. Connects to OEM Style Exhaust. In an effort to provide our customers the best product available, Kooks has discontinued the Standard Cats and will be offering only the more durable and higher quality EPA verified Kooks GREEN Cats in our product. Kooks GREEN Cats are engineered to perform in Modern Muscle cars up to 750 RWHP, This part has been superseded by Part# 2170H630

    • Kooks Products Are Backed By A Limited Lifetime Warranty To The Original Purchaser
    • Kooks Products Are Dyno And Race Tested And Designed For Maximum Power
    • Kooks Uses T304 Aircraft Quality Stainless Steel
    • Manufactured In The USA
  • Kooks 15+ Mustang 5.0L 4V 1 7/8in x 3in SS Headers w/ Green Catted OEM Conn. Right Hand Drive
    SKU: 1155H430

    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!”
    1-7/8in. x 3in. Headers w/GREEN Catted Connection Pipes and OEM Adapters.
    2015-2019 Mustang 5.0L 4V Right Hand Drive 1 7/8in. x 3in. Stainless Steel Headers w/Green Catted OEM Connection Includes O2 Bungs
    2015-2019 Mustang 5.0L 4V Right Hand Drive 1-7/8″ x 3″ Headers w/ GREEN Catted Connection Pipes and OEM Adapters. No additional parts required.

    • 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 15+ Mustang 5.0L 4V 2in x 3in SS Headers w/Catted OEM Connection Pipe
    SKU: 1151H622

    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″ Stainless Headers & Catted Conn. Kit. 2015-2024 Mustang GT/Dark Horse 5.0L.
    2015-2024 Mustang GT/Dark Horse 5.0L 4V 2″ x 3″ Stainless Headers w/ Performance Catted Connection Pipes and OEM Adapters. 304 Stainless Steel Construction 3/8″ Thick Laser Cut Flanges2″ Mandrel Bent Primaries3″ Collectors with Kooks’ Patented Scavenging SpikeDual Bolt Pattern Header FlangeKooks Performance Cats 400 Cell High Flow Catalytic ConvertersPerformance Cats not for use on Forced Induction ApplicationsIncludes Gaskets, Oxygen Sensor Extension Harness, Clamps and Bolt Kit required for InstallationNo additional parts required.

    • Kooks Products Are Backed By A Limited Lifetime Warranty To The Original Purchaser
    • Kooks Products Are Dyno And Race Tested And Designed For Maximum Power
    • Kooks Uses T304 Aircraft Quality Stainless Steel
    • Manufactured In The USA
  • Kooks 15+ Mustang 5.0L 4V 2in x 3in SS Headers w/Green Catted OEM Connection Pipe
    SKU: 1151H631

    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!”
    2in. x 3in. Stainless Headers w/GREEN Catted Connection Pipes and OEM Adapters.
    2015-2023 Mustang 5.0L 4V 2in. x 3in. Stainless Steel Headers w/Green Catted OEM Connection Includes O2 Bungs
    2015-2020 Mustang 5.0L 4V 2in. x 3in. Stainless Headers w/ GREEN Catted Connection Pipes and OEM Adapters. No additional parts required.

    • 3 Generations Being Family Owned And Operated
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