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  • Kooks 97-04 Chevy Corvette 3in x 3in Cat SS X-Pipe Kooks HDR Req
    SKU: 21503210

    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 3in. Catted Stainless X-Pipe. Does not Connect to OEM Style Cat-Back; designed for full 3in. Exhaust Systems only. Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS
    1997-2004 Chevrolet Corvette C5 LS1/LS6 5.7L 3in. x 3in. Catted Stainless X-Pipe. Does not Connect to OEM Style Cat-Back; designed for full 3in. Exhaust Systems only. Must be used with Kooks Headers.
    1997-2004 Chevrolet Corvette C5 LS1/LS6 5.7L 3” x 3” Catted Stainless X-Pipe. 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 Kooks GREEN Cats are engineered to perform in Modern Muscle cars up to 750 RWHP, This part has been superseded by Part# 21503310

    • 3 Generations Being Family Owned And Operated
  • Kooks 97-04 Chevy Corvette 3in x 3in GREEN Cat SS X-Pipe Kooks HDR Req
    SKU: 21503300

    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 3in. GREEN Catted Stainless X-Pipe. Connects to 2-1/2in. OEM Style Exhaust. Includes 3in. x 2-1/2in. Mid-Pipes. Must be used with Kooks Headers.
    1997-2004 Chevrolet Corvette C5 LS1/LS6 5.7L 3in. x 3in. GREEN Catted Stainless X-Pipe. Connects to 2-1/2in. OEM Style Exhaust. Includes 3in. x 2-1/2in. Mid-Pipes. Must be used with Kooks Headers.
    1997-2004 Chevrolet Corvette C5 LS1/LS6 5.7L 3ft. x 3ft. GREEN Catted Stainless X-Pipe. Connects to 2-1/2in. OEM Style Exhaust. Includes 3in. x 2-1/2in. Mid-Pipes. Requires Kooks Long Tube Headers

    • 3 Generations Being Family Owned And Operated
  • Kooks 97-04 Chevy Corvette 3in x 3in GREEN Cat SS X-Pipe Kooks HDR Req
    SKU: 21503310

    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 3in. GREEN Catted Stainless X-Pipe. Does not Connect to OEM Style Cat-Back; designed for full 3in. Exhaust Systems only. Must be used with Kooks Headers.
    1997-2004 Chevrolet Corvette C5 LS1/LS6 5.7L 3in. x 3in. GREEN Catted Stainless X-Pipe. Does not Connect to OEM Style Cat-Back; designed for full 3in. Exhaust Systems only. Must be used with Kooks Headers.
    1997-2004 Chevrolet Corvette C5 LS1/LS6 5.7L 3ft. x 3ft. GREEN Catted Stainless X-Pipe. Does not Connect to OEM Style Cat-Back; designed for full 3in. Exhaust Systems only. Requires Kooks Long Tube Headers

    • 3 Generations Being Family Owned And Operated
  • Kooks 97-04 Chevy Corvette 3in. x 2-1/2in. SS Catted X-Pipe
    SKU: 21503201

    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 3in. Catted Stainless X-Pipe. Connects to 2-1/2in. OEM Style Exhaust. Includes 3in. x 2-1/2in. Mid-Pipes. Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS
    1997-2004 Chevrolet Corvette C5 LS1/LS6 5.7L 3in. x 3in. Catted Stainless X-Pipe. Connects to 2-1/2in. OEM Style Exhaust. Includes 3in. x 2-1/2in. Mid-Pipes. Must be used with Kooks Headers.
    1997-2004 Chevrolet Corvette C5 LS1/LS6 5.7L 3” OEM Performance Catted Stainless X-Pipe. Connects to 2-1/2″ OEM Style Exhaust. Includes 3″ x 2-1/2″ Mid-Pipes. 3-piece design for improved fitment. Requires Kooks Long Tube Headers

    • 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 97-04 Chevy Corvette Full 3in Axleback w/Pol Tips Requires 3in X-Pipe
    SKU: 21506300

    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!”
    Full 3in. Axle-Back with Polished tips. Will not connect to OEM. Requires our full 3in. X-Pipe.
    1997-2004 Chevrolet Corvette C5 LS1/LS6 5.7L Full 3in. Axle-Back with Polished tips. Will not connect to OEM. Requires our full 3in. X-Pipe.
    1997-2004 Chevrolet Corvette C5 LS1/LS6 5.7L Full 3″ Axle-Back with Polished tips. Will not connect to OEM. Requires our full 3″ 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 98-02 Chevrolet Camaro Z28 SS/Pontiac Firebird Trans Am 1-7/8 x 3 Header & Catted Y-Pipe Kit
    SKU: 2241H420

    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. 1998-2002 Chevrolet Camaro and Pontiac Firebird LS1 5.7L. Includes 1-7/8in. x 3in. Stainless Long Tube Headers/3in. x 2-3/4in.(OEM) Catted Stainless Steel Y-Pipe (To OEM Connection point).

    • 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 98-02 Chevrolet Camaro Z28 SS/Pontiac Firebird Trans Am 1-7/8 x3 Header & Green Cat Y-Pipe Kit
    SKU: 2241H430

    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. 1998-2002 Chevrolet Camaro and Pontiac Firebird LS1 5.7L. Includes 1-7/8in. x 3in. Stainless Long Tube Headers/3in. x 2-3/4in.(OEM) GREEN Catted Stainless Steel Y-Pipe (To OEM Connection point).

    • 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 98-02 F Body LS1 5.7L 3in Cat SS Y-Pipe SS (To OEM Conn.) Kooks HDR Req
    SKU: 22413200

    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 2-3/4in.(OEM) Catted Stainless Steel Y-Pipe (To OEM Connection point). Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS
    1998-2002 Chevrolet Camaro and Pontiac Firebird LS1 5.7L 3in. x 2-3/4in.(OEM) Catted Stainless Steel Y-Pipe (To OEM Connection point). Must be used with Kooks Headers.
    1998-2002 Chevrolet Camaro and Pontiac Firebird LS1 5.7L 3″ x 2-3/4″(OEM) Catted Stainless Steel Y-Pipe (To OEM Connection point). Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS

    • 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 98-02 F Body LS1 5.7L 3in GREEN Cat SS Y-Pipe SS (To OEM Conn.) Kooks HDR Req
    SKU: 22413300

    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 2-3/4in.(OEM) GREEN Catted Stainless Steel Y-Pipe (To OEM Connection point). Must be used with Kooks Headers.
    1998-2002 Chevrolet Camaro and Pontiac Firebird LS1 5.7L 3in. x 2-3/4in.(OEM) GREEN Catted Stainless Steel Y-Pipe (To OEM Connection point). Must be used with Kooks Headers.
    1998-2002 Chevrolet Camaro and Pontiac Firebird LS1 5.7L 3″ x 2-3/4″(OEM) GREEN Catted Stainless Steel Y-Pipe (To OEM Connection point). Requires Kooks Long Tube Headers

    • 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 99-04 Ford F-150 Harley/Lightning 2.5in Connection Pipe w/ Race Cats * Must Use Kooks Headers*
    SKU: 13313200

    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. x 2-1/2in.(OEM) Stainless Catted Connection Pipes. Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS
    1999-2004 Ford Lightning 5.4L 2V 2-1/2in. x 2-1/2in.(OEM) Stainless Catted Connection Pipes. Must be used with Kooks Headers.
    1999-2004 Ford Lightning 5.4L 2V 2-1/2″ x 2-1/2″(OEM) Stainless Catted Connection Pipes. 16GA 304 Stainless Steel construction Two-bolt flange style connection to Headers Kooks Performance Cats 400 Cell High Flow Catalytic Converters Performance Cats not for use on Forced Induction Applications Requires Kooks Headers with 2-1/2″ Collectors Includes Clamps 2-1/2″ Outlet connects to OEM exhaust

    • 3 Generations Being Family Owned And Operated
  • Kooks 99-04 Ford Mustang GT / Cobra 2 1/2in In x 2 1/2in OEM Out Cat SS X Pipe Kooks HDR Req
    SKU: 11203240

    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. x 2-1/2in. (OEM) Catted Stainless Steel X-Pipe. 1999-2004 Ford Mustang GT and Cobra 4.6L 2V/4V. 2-1/2in. 16GA 304 Stainless construction. Ball and socket style connection to Headers. Must be used with Kooks Headers with 2-1/2in. Co
    2-1/2in. x 2-1/2in. (OEM) Catted Stainless Steel X-Pipe. 1999-2004 Ford Mustang GT and Cobra 4.6L 2V/4V. 2-1/2in. 16GA 304 Stainless Steel construction Ball and socket style connection to Headers Kooks Performance Cats 400 Cell High Flow Catalytic Converters Performance Cats not for use on Forced Induction Applications Requires Kooks Headers with 2-1/2in. Collectors Includes Clamps 2-1/2in. Outlet connects to OEM exhaust
    2-1/2″ x 2-1/2″ (OEM) Catted Stainless Steel X-Pipe. 1999-2004 Ford Mustang GT and Cobra 4.6L 2V/4V. 16GA 304 Stainless Steel construction Ball and socket style connection to Headers Kooks Performance Cats 400 Cell High Flow Catalytic Converters Performance Cats not for use on Forced Induction Applications Requires Kooks Headers with 2-1/2″ Collectors Includes Clamps 2-1/2″ Outlet connects to OEM 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 99-04 Ford Mustang GT / Cobra 3in In x 2 1/2in OEM Out Cat SS X Pipe Kooks HDR Req
    SKU: 11203250

    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 2-1/2in. (OEM) Catted Stainless Steel X-Pipe. 1999-2004 Ford Mustang GT and Cobra 4.6L 2V/4V. 3in. 16GA 304 Stainless Steel construction. Ball and socket style connection to Headers. Must be used with Kooks Headers with 3in. Collecto
    3in. x 2-1/2in. (OEM) Catted Stainless Steel X-Pipe. 1999-2004 Ford Mustang GT and Cobra 4.6L 2V/4V. 3in. 16GA 304 Stainless Steel construction. Ball and socket style connection to Headers. Kooks Standard 300 Cell High Flow Catatlytic Converters. Must be used with Kooks Headers with 3in. Collectors. Includes Clamps. 2-1/2in. Outlet connects to OEM exhaust. Kooks Standard Cats not recommended for use with forced induction.
    3″ x 2-1/2″ (OEM) Catted Stainless Steel X-Pipe. 1999-2004 Ford Mustang GT and Cobra 4.6L 2V/4V. 16GA 304 Stainless Steel construction Ball and socket style connection to Headers Kooks Performance Cats 400 Cell High Flow Catalytic Converters Performance Cats not for use on Forced Induction Applications Requires Kooks Headers with 3″ Collectors Includes Clamps 2-1/2″ Outlet connects to OEM 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
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