Y Pipes

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.(OEM) GREEN Catted Stainless Y-Pipe. Connects to OEM 2 Bolt Flange in REAR. Fits Crew Cab/Short Bed 144.6in. Wheelbase ONLY
2019 – 2020 Ram 1500 5.7L HEMI 3″ x 3″(OEM) GREEN Catted Stainless Y-Pipe. Connects to OEM 2 Bolt Flange in REAR. **Fits Crew Cab/Short Bed 144.6″ Wheelbase ONLY**
2019 – 2020 Ram 1500 5.7L HEMI 3″ x 3″(OEM) GREEN Catted Stainless Y-Pipe. Connects to OEM 2 Bolt Flange in REAR. Requires Kooks Headers **Fits Crew Cab/Short Bed 144.6″ Wheelbase ONLY**

• 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
• Uses C7 X-Pipe/C6 Front Connections

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. Stainless Steel GREEN Catted Y-Pipe Must be used with Kooks Headers.
2007-2018 Jeep Wrangler JK 4-Door w/LS Engine Swap. 3in. Stainless Steel GREEN Catted Y-Pipe. 304 Stainless Steel Construction. 3in. Mandrel Bent 16 ga Tubing. Kooks GREENCats 300 Cell High Flow Catalytic Converters. Torca Swivel Seal style Connection on Inlet. Must be used with Kooks Headers Part# 37102200 or 37102400. Designed to connect to Kooks Cat-Back Exhaust part# 37104100. Parts designed to be used with LS Engine Swap with RPM Extreme (or similar) LS Swap Kit. For 2-Door vehicles; relocation of the fuel tank may be required. Minimum 2-1/2in. Suspension Lift recommended. Due to the custom nature of this part; other parts may be required for proper fitment. Please contact Kooks Headers and Exhaust before ordering.
2007-2018 Jeep Wrangler JK 4-Door w/LS Engine Swap. 3″ Stainless Steel GREEN Catted Y-Pipe. 304 Stainless Steel Construction 3″ Mandrel Bent 16 ga TubingKooks GREEN Cats 300 Cell High Flow Catalytic Converters Torca Swivel Seal style Connection on InletMust be used with Kooks Headers Part# 37102200 or 37102400 Designed to connect to Kooks Cat-Back Exhaust part# 37104100Parts designed to be used with LS Engine Swap with RPM Extreme (or similar) LS Swap Kit Minimum 2-1/2″ Suspension Lift recommended For 2-Door vehicles, relocation of the fuel tank may be requiredDue to the custom nature of this part, other parts may be required for proper fitment Please contact Kooks Headers and Exhaust before ordering

• 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 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!”
2007-2018 Jeep Wrangler JK 4-Door w/LS Engine Swap. 3in. Stainless Steel Catted Y-Pipe. Must be used with Kooks Headers. Parts designed to be used with LS Engine Swap with RPM Extreme or Motech LS Swap Kit.
2007-2018 Jeep Wrangler JK 4-Door w/LS Engine Swap. 3in. Stainless Steel Catted Y-Pipe. 304 Stainless Steel Construction. 3in. Mandrel Bent 16 ga Tubing. Kooks 300 Cell Standard Race High Flow Cats. Torca Swivel Seal style Connection on Inlet. Must be used with Kooks Headers Part# 37102200 or 37102400. Designed to connect to Kooks Cat-Back Exhaust part# 37104100. Parts designed to be used with LS Engine Swap with RPM Extreme (or similar) LS Swap Kit. Requires RPM Extreme Engine Mount Plate Part# JKLS-HC-ENG-MOUNT (or similar) and GM Gen 4 style Hydraulic Engine Mounts. For 2-Door vehicles; relocation of the fuel tank may be required. Minimum 2-1/2in. Suspension Lift recommended. Due to the custom nature of this part; other parts may be required for proper fitment. Please contact Kooks Headers and Exhaust before ordering. 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 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. Stainless Steel OEM Exhaust Catted Y-Pipe. Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS
2015-2020 Ford F150 Coyote 5.0L 4V 3″ Stainless Steel OEM Exhaust Race Catted Y-Pipe. Must be used with Kooks Headers. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS
2015-2020 Ford F150 Coyote 5.0L 4V 3″ Stainless Steel OEM Exhaust Catted Y-Pipe. 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 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!”
2015-2020 Ford F150 Coyote 5.0L 4V 3in. x OEM GREEN Catted Stainless Y-Pipe. Must be used with Kooks Headers.
2015-2020 Ford F150 Coyote 5.0L 4V 3″ Stainless Steel OEM Exhaust GREEN Catted Y-Pipe. Must be used with Kooks Headers.
2015-2020 Ford F150 Coyote 5.0L 4V 3″ x OEM GREEN Catted Stainless Y-Pipe. 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 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!”
2019 GM 1500 Series Truck 6.2L No Tune Required. 1-3/4in. x 3in. 304 Stainless Steel Long Tube Headers. 3in. x 3-1/2in.(OEM) Ultra-Green Catted 304 Stainless Steel Y-Pipe. Connects to OEM exhaust. No Additional Parts Required.
2019 GM 1500 Series Truck 6.2L 1-3/4in. Headers with 3in. Ultra-GREEN Catted Stainless Steel Y-Pipe. No Tune Required. 1-3/4in. x 3in. 304 Stainless Steel Long Tube Headers. 3in. x 3-1/2in.(OEM) Ultra-Green Catted 304 Stainless Steel Y-Pipe. Connects to OEM exhaust. Includes Gaskets and Bolt Kit required for Installation. No Additional Parts Required.
2019-2023 GM 1500 Series Truck 6.2L 1-3/4″ Headers with 3″ Ultra-GREEN Catted Stainless Steel Y-Pipe. No Tune Required 1-3/4″ x 3″ 304 Stainless Steel Long Tube Headers 3″ x 3-1/2″(OEM) Ultra-GREEN Catted 304 Stainless Steel Y-PipeConnects to OEM exhaust Includes Gaskets and Bolt Kit required for InstallationNo 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 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″ x 2-3/4″(OEM) Catted Stainless Y-Pipe. 2019-2023 GM 1500 Series Truck 5.3L. Must be used with Kooks Long Tube Headers. Outlet connects to OEM Exhaust using OEM Hardware. KOOKS Standard Cats not recommended for use with forced induction.
3in. x 2-3/4in.(OEM) Catted Stainless Steel Y-Pipe. 2019-2023 GM 1500 Series Truck 5.3L. 3in. 16GA 304 Stainless Steel Construction. KOOKS Standard 300 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. KOOKS Standard Cats not recommended for use with forced induction.

• 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 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) Outlet Catted Stainless Steel Y-Pipe. 2019 GM 1500 Series Truck 6.2L. Must be used with Kooks Long Tube Headers. Outlet connects to OEM Exhaust. KOOKS Standard Cats not recommended for use with forced induction.
3in. x 3-1/2in. (OEM) Outlet Catted Stainless Steel Y-Pipe. 2019 GM 1500 Series Truck 6.2L. 3in. 16GA 304 Stainless Steel Construction. KOOKS Standard 300 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. KOOKS Standard Cats not recommended for use with forced induction.

• 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 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) Outlet GREEN Catted Stainless Steel Y-Pipe. 2019 GM 1500 Series Truck 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) Outlet GREEN Catted Stainless Steel Y-Pipe. 2019 GM 1500 Series Truck 6.2L. 3in. 16GA 304 Stainless Steel Construction. 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) Outlet GREEN Catted Stainless Steel Y-Pipe. 2019 GM 1500 Series Truck 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 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) Stainless Steel Y-Pipe (To OEM Connection point). Must be used with Kooks Headers.
1993-1997 Chevrolet Camaro and Pontiac Firebird LT1 5.7L 3″ x 2-3/4″(OEM) Stainless Steel Y-Pipe (To OEM Connection point). Must be used with Kooks Headers.
1993-1997 Chevrolet Camaro and Pontiac Firebird LT1 5.7L 3″ x 2-3/4″(OEM) Stainless Steel Y-Pipe (To OEM Connection point). Must be used with Kooks 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 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