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!"

• 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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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!"

• 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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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!"

• 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

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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!"

• 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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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!"

• 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

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JBA shorty headers are one of the foremost performance upgrades you can bestow upon your beloved car, truck, or SUV. JBA Headers are significantly less restrictive than stock manifolds and dramatically increase the power and efficiency of your engine. Each header is constructed from durable stainless steel to endure the abuse of racing, towing, and daily driving – built to withstand it all. JBA’s proprietary Firecone collector design uses race proven technology for producing maximum power and torque gains where you drive most. Each system includes factory style emission connections and high-quality hardware for a professional no-leak installation.

• 3/8" thick machined flanges with Oversized exhaust ports
• Proprietary JBA Firecone collector
• Factory style emission connections
• Mandrel bent stainless steel tube
• Extra thick collector domes

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JBA shorty headers are one of the foremost performance upgrades you can bestow upon your beloved car, truck, or SUV. JBA Headers are significantly less restrictive than stock manifolds and dramatically increase the power and efficiency of your engine. Each header is constructed from durable stainless steel to endure the abuse of racing, towing, and daily driving – built to withstand it all. JBA’s proprietary Firecone collector design uses race proven technology for producing maximum power and torque gains where you drive most. Each system includes factory style emission connections and high-quality hardware for a professional no-leak installation.

• 3/8" thick machined flanges with Oversized exhaust ports
• Proprietary JBA Firecone collector
• Factory style emission connections
• Mandrel bent stainless steel tube
• Extra thick collector domes

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Every Gibson Performance Header is Dyno-tuned and engineered to deliver more usable horsepower and torque at low and mid-range RPM highway speeds. Improves engines ability to breathe and cooler operating engine temperature. Designed as a direct replacement for the factory manifolds, using the stock crossover pipe. They are well suited for lowered and raised vehicles, street and off-road. 50 State Street legal. Meets EPA and CARB requirements. Will not affect the factory warranty. No welding required. Uses OEM style connections. 3/8 in. Heavy Duty Laser Cut Port Flanges- No Warping or Leaking. Premium Gaskets and Hardware included. Backed by a Lifetime Limited Warranty.

• Heavy Duty 3/8 in. Thick Laser Cut Port Flanges
• Heavy Duty 409L Stainless 16 Gauge Tubing
• Hi-Temp Coating To 1300 Degrees
• Premium Gaskets and Hardware
• Uses OEM Style Connections
• Mandrel Bent Tubing
• No Welding Required

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Experience performance and durability with the enhanced Duramax exhaust manifolds, specifically designed for the 2001-2016 6.6L Duramax engines. The BD upgraded manifolds not only remove the flow restriction found on the 2001-2006 model driver's side manifold, but they also increase overall flow on both manifolds by 5%! Crafted with precision, the BD manifolds feature robust, 65% thicker designed castings constructed from high-silicon ductile iron to combat warping and cracking. Designed to be a one-stop drop-in kit, including all fasteners and gaskets needed to make installation quick.

• Cast iron construction with 65% thicker walls for increased toughness and resistance to cracking
• Predrilled pyrometer port on driver’s side manifold for easy sensor install
• Sold as a complete kit with gaskets and fasteners for easy install
• Efficiently transfer exhaust gases to the turbocharger
• High Temperature Paint For Corrosion Protection
• Predrilled Pyrometer Port On Driver Side
• 5 Percent Increase In Flow
• Cast Iron Construction

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These BBK Performance full length exhaust headers and matching high flow catted mid pipe kits offer unsurpassed value, performance, quality, and fitment. Dyno tested and built right here in the USA our products outperform the competition hands down.Every long tube exhaust header system is built with CNC mandrel bent tubing for unrestrictive exhaust flow and maximum performance. All headers include 3/8" laser cut exhaust flanges, patented scavenging collector design and gasket less ball and socket connectors to easily connect the matching mid pipes.These performance exhaust kits have been designed specifically for your vehicles application to get the most horsepower and torque to the ground for maximum performance across the RPM range.All matching mid pipes included in our kits have high flow catalytic converters installed optimum sound and performance gains.All of these BBK kits are designed to replace the factory shorty style headers and factory mid pipe. Each BBK long tube header and matching mid pipe kit will bolt directly up to your cat back exhaust on your vehicle to complete the system to the tail pipe.Our decades of exhaust design and experience make BBK Performance the number one choice for your late model American car or truck.

• High Temp Titanium Ceramic Coating – Direct Bolt on Kit – Includes New gaskets and all required hardware – Mid pipe includes high flow catalytic converters and bolts to the factory catback.
• Direct Fit Bolt On Full Length Long Tube Exhaust Headers

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These BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 2005-10 Mustang GT applications. Each header is manufactured with 1-5/8 in. CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower and torque over factory OEM manifolds. BBK tuned Length headers offer improved scavenging waves for better combustion, which leads to improved performance and fuel economy over stock or equal Length headers. As with all BBK Performance exhaust headers they feature a 3/8 in. laser cut flange for additional strength and a guaranteed leak free fit. All headers are robotically and precision hand welded and then pressure tested to ensure years of reliability and performance in the real world. All BBK exhaust headers are available in a high temp titanium ceramic or polished silver ceramic coated finish and include new exhaust header gaskets, header bolts and hardware to complete the installation.

• Direct Fit Replacement - 50 State Legal - CARB Approved - Titanium Ceramic Finish
• Designed and Manufactured in USA

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This system produced gains of up to +20 HP and +23 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-5/8 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Factory style laser cut machined mild steel flanges are used used for a secure leak-free seal. These headers retain your stock catalytic converters and are a direct bolt-on installation which requires no cutting or drilling to provide a hassle-free installation. Mitered collectors decrease turbulence and increase exhaust velocity. The result is increased horsepower, torque and improved throttle response. A Machined ball flange ensures a leak-free seal over the life of the vehicle. 100% MIG-Welded for race-proven strength and durability.

• Heavy Duty Laser Cut Machined Flanges are used for a Durable Leak-Free Seal
• Constructed from 1-5/8 IN Mandrel-Bent 304 Stainless Steel Tubing
• Works with Factory Exhaust System with No Modifications Necessary
• Optimized Tube Lengths for Improve Flow and Performance
• 100% MIG-Welded for Strength and Durability
• Up to +20 HP and +23 lbs. x Ft. TQ.

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This system produced gains of up to +11 HP and +19 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-7/8 IN - 2-1/4 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Factory style laser cut machined mild steel flanges are used used for a secure leak-free seal. Utilizing factory style and flanges this system is designed to fit in the stock locations with no cutting or modifications required for a hassle-free installation. State-of-the-art computer-aided design technology is utilized for precise vehicle fitment. 100% MIG-Welded for race-proven strength and durability.

• Heavy Duty Laser Cut Machined Mild Steel Flanges are used for a Durable Leak-Free Seal
• Constructed from 1-7/8 IN - 2-1/4 IN Mandrel-Bent 304 Stainless Steel Tubing
• Works with Factory Exhaust System with No Modifications Necessary
• Optimized Tube Lengths for Improve Flow and Performance
• 100% MIG-Welded for Strength and Durability
• Up to +11 HP and +19 lbs. x Ft. TQ.

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A fully divided pulse manifold made from high-silicon ductile iron designed to withstand extreme temperatures and vibration. Precision slip joints allow the manifold to expand and contract, reducing cyclic thermal fatigue and greatly increasing manifold longevity. This kit comes with new gaskets, bolts, and spacers for maximum convenience and value.

• Cast of high silicon ductile iron to withstand extreme temperature cycling caused during DPF regeneration
• Thick-walled casting and slip joint prevent cracking and exhaust leaks
• Includes grade 10.9, black oxide-coated bolts, and spacers
• Includes Grade 10.9; Black Oxide-Coated Bolts And Spacers
• Includes EGR Port; Exhaust Port And Turbo Mount Gaskets
• Includes EGR port, exhaust port and turbo mount gaskets
• SEMA Certification No. SC-BDD01-0077
• Pre-drilled for pyrometer probes
• Replaces Chrysler #68205983AA
• Fully EGR-compatible

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WCFab's 2017-2025 L5P Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components. These manifolds are exhaust port gasket matched and internally divided for optimal flow with OEM or ported cylinder heads. Outlet locations allow full compatibility with OEM style up pipes and are designed to be paired with WCFab's 2" Stainless High-Flow Up Pipes (sold separately) for optimized performance. Fully compatible with vehicle emissions system, these L5P Manifolds include the necessary sensor port and EGR riser flange. Includes new gaskets, ARP 12PT fasteners, and assembly lube for easy install (up pipe fastener kits sold separately). Finished in Black Ceramic Coat rated for 1800 deg F.

• Includes ARP 12PT Fasteners and washers for installation to cylinder head. Up pipe fastener kits sold separately as part WCF100199.
• 1/8 NPT ports (and optional plugs) included in driver and passenger side manifold for installation of EGT or drive pressure sensors
• Includes new gaskets for manifold to cylinder head and manifold to up pipe
• Fully TIG Welded, CNC machined billet steel exhaust manifolds
• Finished in Black Ceramic Coat rated for 2000 deg F

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WCFab's 2001-2016 Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components. These manifolds are exhaust port gasket matched and internally divided for optimal flow with OEM or ported cylinder heads. Outlet locations allow full compatibility with OEM style up pipes and are designed to be paired with WCFab's 2" Stainless High-Flow Up Pipes (sold separately) for optimized performance. Includes new gaskets, ARP 12PT fasteners, and assembly lube for easy install (up pipe fastener kits sold separately). Finished in Black Ceramic Coat rated for 2000 deg F.

• Includes ARP 12PT Fasteners and washers for installation to cylinder head. Up pipe fastener kits sold separately as part WCF100240.
• 1/8 NPT ports (and optional plugs) included in driver and passenger side manifold for installation of EGT or drive pressure sensors
• Includes new gaskets for manifold to cylinder head and manifold to up pipe
• Fully TIG Welded, CNC machined billet steel exhaust manifolds
• Finished in Black Ceramic Coat rated for 2000 deg F

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WCFab's 2017-2025 L5P Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components. These manifolds are exhaust port gasket matched and internally divided for optimal flow with OEM or ported cylinder heads. Outlet locations allow full compatibility with OEM style up pipes and are paired with WCFab's 2" Stainless High-Flow Up Pipes for optimized performance. Fully compatible with vehicle emissions system, these L5P Manifolds include the necessary sensor port and EGR riser flange. Includes new gaskets, ARP 12PT fasteners, and assembly lube for easy install. Finished in Black Ceramic Coat rated for 2000 deg F.

• 1/8 NPT port (and optional plug) included in driver side manifold for installation of EGT or drive pressure sensor
• Fully TIG Welded, CNC machined billet steel exhaust manifolds
• Finished in Black Ceramic Coat rated for 2000 deg F
• Includes new gaskets for manifolds & up pipes
• Includes ARP 12PT Fasteners and Washers

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