Fits 2014-2019 Chevrolet Corvette Stingray, Z06, Grand Sport, and ZR1.

This Kooks 3in x 3in stainless steel X-pipe is engineered to maximize exhaust scavenging and optimize flow for C7 Corvette applications. Constructed from T304 aircraft-quality stainless steel, this X-pipe features integrated high-flow catalytic converters and is designed specifically to connect to Kooks long tube headers. Handcrafted in the USA, this component replaces the restrictive factory mid-section to provide a durable, corrosion-resistant exhaust solution for performance street and track use.

• 3" x 3" T304 aircraft-quality stainless steel construction
• Integrated high-flow catalytic converters
• Designed specifically for use with Kooks headers
• Dyno and race tested for maximum power delivery
• Handcrafted in the USA
• Manufacturer Part Number: 21703200
• Backed by a limited lifetime warranty to the original purchaser

Fits 2006-2013 Chevrolet Corvette (Base, Grand Sport, Z06, ZR1, 427, 427 Limited Edition Z06, and Z06 Carbon).

Optimize the exhaust flow of your C6 Corvette with the Kooks 2" x 3" Header and Green Catted X-Pipe Kit. This complete system replaces restrictive factory manifolds with large 2-inch primaries and 3-inch collectors, designed specifically for high-output applications. The included 3-inch X-pipe features Kooks' "Green" high-flow catalytic converters, which are engineered to provide maximum power gains while meeting stringent emissions requirements compared to standard high-flow cats.

Constructed from premium T304 aircraft-quality stainless steel, this kit is built to withstand extreme heat and racing conditions. Each system is handcrafted in the USA and dyno-tested to ensure superior fitment and performance. By improving scavenging and reducing backpressure, this header and X-pipe combination provides a significant increase in horsepower and torque across the entire RPM range.

• Manufacturer Part Number: 2161H631
• Primary Tube Diameter: 2 inches
• Collector & X-Pipe Diameter: 3 inches
• Material: T304 Stainless Steel
• Catalytic Converters: High-Flow "Green" Cats
• Handcrafted in the USA
• Includes all necessary gaskets and installation hardware

Fits 2006-2013 Chevrolet Corvette Z06, Z06 Carbon, and 427 submodels.

Unlock maximum exhaust flow and performance with the Kooks Header and Catted X-Pipe Kit. This comprehensive system is engineered to replace restrictive factory exhaust manifolds with long-tube headers and a high-flow x-pipe, significantly reducing backpressure and enhancing engine efficiency. Handcrafted in the USA from T304 aircraft-quality stainless steel, this kit is built to withstand the rigors of both street performance and competitive racing.

• Manufacturer Part Number: 2161H421
• Primary Tube Diameter: 1-7/8 inch
• Collector Diameter: 3 inch
• Material: T304 Aircraft Quality Stainless Steel
• Includes Kooks high-flow catted X-pipe
• Handcrafted in the USA
• Dyno and race tested for maximum power gains
• Limited lifetime warranty to the original purchaser

Fits 2009-2013 Chevrolet Corvette Base, Grand Sport, and ZR1 models (6.2L).

Maximize the performance of your C6 Corvette with this complete long tube header and X-pipe system from Kooks. Engineered for track-tested power gains, this kit features 1-7/8-inch primaries and 3-inch collectors, providing a significant increase in exhaust flow over factory manifolds. The included Kooks Green Catted X-pipe utilizes high-flow catalytic converters designed to handle high-horsepower applications while maintaining efficiency.

Every Kooks system is handcrafted in the USA using T304 aircraft-quality stainless steel for superior corrosion resistance and long-term durability. These headers are dyno-tested and race-proven to ensure precise fitment and optimal power delivery across the RPM range.

• Maintains 1-7/8" primary tubes with 3" collectors
• Constructed from premium T304 aircraft-grade stainless steel
• Includes Kooks high-flow Green Catted X-Pipe
• Direct bolt-on fitment for 6.2L Corvette models
• Handcrafted in the USA
• Manufacturer Part Number: 2160H432
• Limited lifetime warranty to the original purchaser

Fits 2009-2013 Chevrolet Corvette Base, Grand Sport, and ZR1 models.

Extract maximum performance from your C6 Corvette with this complete exhaust upgrade from Kooks. This kit combines 1-7/8-inch primary headers with a high-flow catted X-pipe to significantly improve exhaust scavenging and engine efficiency. Each system is handcrafted in the USA using T304 aircraft-quality stainless steel, ensuring long-term durability and resistance to corrosion even under extreme track conditions.

Kooks dyno-tests their systems to ensure power gains across the RPM range. The integrated X-pipe helps balance exhaust pulses for a smoother tone and increased mid-range torque, while the included high-flow catalytic converters provide a performance-oriented solution for street-driven applications. This kit replaces the restrictive factory manifolds and mid-section with precision-engineered components designed for a direct fit.

• T304 aircraft-quality stainless steel construction
• 1-7/8" primaries with 3" collectors
• Includes high-flow catted X-pipe
• Handcrafted in the USA
• Limited lifetime warranty to the original purchaser
• Manufacturer Part Number: 2160H422

Fits 2005-2008 Chevrolet Corvette Base models.

Maximize the performance of your C6 with the Kooks Header and Catted X-Pipe Kit. This comprehensive exhaust upgrade replaces restrictive factory manifolds with 1-7/8" primary tubes and 3" collectors, specifically engineered to increase airflow and scavenging. The included 3" X-pipe features integrated high-flow catalytic converters, designed to balance exhaust pulses and improve the tonal quality of your Corvette while maintaining a street-ready configuration.

Every component is handcrafted in the USA using T304 aircraft-quality stainless steel for superior corrosion resistance and long-term durability. Mandrel-bent tubing ensures smooth exhaust gas transitions, reducing backpressure to unlock significant horsepower and torque gains. This kit is dyno-tested and race-proven, reflecting Kooks' 50-year heritage in high-performance exhaust engineering.

• 1-7/8" primaries with 3" collectors
• High-flow catted X-pipe included for a complete bolt-on solution
• Constructed from heavy-duty T304 stainless steel
• Mandrel-bent for optimized exhaust flow and velocity
• Hand-crafted in the USA
• Manufacturer Part Number: 2160H421
• Backed by a Limited Lifetime Warranty to the original purchaser

Fits 2005-2008 Chevrolet Corvette Base models.

Maximize the exhaust flow and power potential of your C6 with the Kooks 2160H221 Header and Catted X-Pipe Kit. This system replaces restrictive factory manifolds with 1-3/4-inch long tube primaries and 3-inch collectors, engineered to optimize scavenging and significantly reduce backpressure. The included 3-inch X-pipe features high-flow catalytic converters to balance exhaust pulses and improve mid-range torque while maintaining a cleaner exhaust profile.

• Manufactured from T304 aircraft-quality stainless steel for superior corrosion resistance
• 1-3/4" primary tubes with 3" collectors
• Includes 3" catted X-pipe for improved flow and sound
• Handcrafted in the USA and dyno-tested for maximum power gains
• Backed by Kooks Limited Lifetime Warranty to the original purchaser
• Manufacturer Part Number: 2160H221

Fits 2001-2004 Chevrolet Corvette Base, Z06, and 50th Anniversary models (V8-5.7L).

The Kooks 1-3/4 inch Header and Catted X-Pipe Kit is engineered to optimize exhaust scavaging and maximize power delivery for the C5 Corvette platform. Constructed from T304 aircraft-quality stainless steel, this full system replaces restrictive factory manifolds with precision-handcrafted long-tube headers and a high-flow 3-inch X-pipe. Each kit is dyno-tested and race-proven to ensure reliable performance under high-load conditions while maintaining the structural integrity expected from American-made components.

• Header Primaries: 1-3/4 inch diameter
• Collector Diameter: 3 inch
• X-Pipe Diameter: 3 inch with integrated catalytic converters
• Material: T304 Aircraft Quality Stainless Steel
• Includes: Long-tube headers, catted X-pipe, and necessary installation hardware
• Manufacturer Part Number: 2152H220
• Warranty: Limited Lifetime Warranty to the original purchaser
• Handcrafted in the USA

Fits 1997-2004 Chevrolet Corvette (Base, Z06, 50th Anniversary Edition, and Pace Car models).

Unlock the performance potential of your C5 Corvette with the Kooks Header and Green Catted X-Pipe system. This complete kit is engineered to provide maximum exhaust flow and power gains through high-velocity 1-7/8-inch primary tubes and 3-inch collectors. Every system is handcrafted in the USA using T304 aircraft-quality stainless steel for long-term durability and resistance to the elements.

This package includes the Kooks Green Catted X-pipe, featuring high-flow catalytic converters designed specifically for high-output applications. Whether on the street or the track, this system offers precision fitment and the proven power gains that have made Kooks a leader in performance exhaust for over 50 years.

• 1-7/8-inch primary tubes with 3-inch collectors
• High-flow Green Catted X-pipe included
• Fabricated from T304 aircraft-quality stainless steel
• Includes all necessary hardware for installation
• Dyno and race-tested design
• Handcrafted in the USA
• Manufacturer Part Number: 2150H430
• Limited Lifetime Warranty to the original purchaser

Fits 2022-2025 Ford F-150 Raptor (5.2L).

Unlock the full performance potential of the 5.2L 4V engine with this Kooks Headers and Exhaust system. This kit features 2-inch primary headers paired with High Output (H.O.) Green catted connection pipes, specifically engineered to handle the increased airflow and thermal demands of high-performance applications. Handcrafted in the USA from T304 aircraft-quality stainless steel, these headers provide superior durability and corrosion resistance under the most demanding street or off-road conditions.

• 2-inch primary headers for optimized exhaust scavenging
• Includes H.O. Green catted connection pipes for high-performance emissions management
• Constructed from premium T304 aircraft-quality stainless steel
• Dyno and race tested to ensure maximum power gains
• Handcrafted in the USA with a limited lifetime warranty to the original purchaser
• Manufacturer Part Number: 1372H640

Fits 2022-2025 Ford F-150 Raptor (5.2L).

Maximize the exhaust flow and power potential of your Raptor R with this Kooks Long Tube Header and Connection Pipe system. Built specifically for the 5.2L 4V engine, these 1-7/8-inch primary headers are engineered to improve scavenging and reduce backpressure. This kit includes Kooks GREEN high-flow catted connection pipes, designed to provide a high-performance exhaust path while maintaining durability for street and off-road use.

Constructed from mandrel-bent T304 aircraft-quality stainless steel, these headers are handcrafted in the USA to withstand the extreme temperatures and rigors of high-performance driving. Every system is dyno and race-tested to ensure maximum power gains across the RPM range.

• 1-7/8" primary tubes for optimal exhaust flow
• Includes Kooks GREEN High-Flow Catted Connection Pipes
• Manufactured from premium T304 stainless steel
• Handcrafted in the USA for precision fitment
• Backed by a Limited Lifetime Warranty for the original purchaser
• Part Number: 1372H430

Fits 2021-2025 Ford F-150 (V8-5.0L) including King Ranch, Lariat, Platinum, SSV, STX, Tremor, XL, and XLT models.

Maximize the exhaust flow and performance of your Coyote-powered truck with Kooks Headers and Exhaust. These long-tube headers are handcrafted from aircraft-quality T304 stainless steel, featuring 1-7/8-inch primary tubes engineered to extract the highest power levels from the 5.0L V8 engine. This system includes Kooks proprietary GREEN catted connection pipes, providing a high-flow solution designed to withstand the high temperatures of performance applications.

Every Kooks system is dyno-tested and race-proven, ensuring precise fitment and significant performance gains over restrictive factory manifolds. Hand-built in the USA, these headers are designed for extreme durability in street, off-road, and racing environments.

• 1-7/8 inch primary tubes for optimized exhaust scavenging
• Manufactured from T304 aircraft-quality stainless steel
• Includes Kooks GREEN high-flow catted connection pipes
• Handcrafted in the USA and dyno-tested for maximum power
• Manufacturer Part Number: 1371H430
• Limited lifetime warranty to the original purchaser

Fits select 2015-2020 Ford F-150 King Ranch, Lariat, Platinum, SSV, XL, and XLT models.

Improve the exhaust scavenging and overall performance of your truck with the Kooks Headers and Catted Y-Pipe Kit. This system is engineered for maximum power gains through a high-flow long-tube design featuring 1-7/8" primary tubes and 3" collectors. Handcrafted in the USA from T304 aircraft-quality stainless steel, these headers are built to withstand the rigors of street, race, and off-road use without compromising durability.

The included 3" catted Y-pipe ensures your 2015-2020 F-150 remains street-legal while significantly reducing backpressure compared to the restrictive factory manifold and mid-pipe setup. Every kit is dyno and race tested to ensure precise fitment and optimal flow characteristics.

• 1-7/8" primary tubes with 3" collectors
• Includes 3" catted Y-pipe
• Manufactured from T304 aircraft-quality stainless steel
• Handcrafted in the USA
• Dyno and race tested for maximum power
• Backed by a limited lifetime warranty to the original purchaser
• Manufacturer Part Number: 1361H420

Fits 2020-2022 Ford Mustang Shelby GT350, GT350R, and GT500 (5.2L).

Maximize the exhaust flow and acoustic profile of your Predator or Voodoo V8 with this Kooks long-tube header system. Engineered for high-output applications, these headers feature 2-inch primary tubes and 3-inch collectors to significantly reduce backpressure compared to factory manifolds. The included Kooks GREEN Catted Connection Pipe is specifically designed to handle the high heat and exhaust volume of forced induction and high-compression engines while maintaining flow efficiency.

• Handcrafted from mandrel-bent T304 aircraft-quality stainless steel for maximum durability
• 2-inch primaries optimized for 5.2L engine architecture
• 3-inch collectors and GREEN catted connection pipes included
• All products are dyno and race tested to ensure performance and fitment
• Direct bolt-on installation to factory mounting points
• Manufacturer Part Number: 1156H640
• Limited Lifetime Warranty to the original purchaser
• Proudly manufactured in the USA

Fits 2020-2022 Ford Mustang Shelby GT350, GT350R, and GT500 (5.2L).

Extract maximum performance from your S550 Shelby with this premium long-tube header system from Kooks Headers and Exhaust. Engineered for high-output 5.2L applications, these headers feature massive 2-inch primary tubes and 3-inch collectors to significantly reduce backpressure and improve scavenging. This kit includes Kooks' signature GREEN catted connection pipes, designed to provide high-flow performance while meeting stringent standards. Handcrafted in the USA from T304 aircraft-quality stainless steel, this system is built to withstand the rigors of both track and street use.

• 2" primaries with 3" collectors for optimized exhaust flow
• Includes GREEN catted connection pipes for high-flow performance
• Constructed from T304 aircraft-grade stainless steel for durability
• Dyno and race tested to ensure maximum power gains
• Direct fitment for Shelby GT350, GT350R, and GT500 models
• Proudly handcrafted in the USA
• Manufacturer Part Number: 1156H630
• Limited lifetime warranty for the original purchaser

Fits 2015-2024 Ford Mustang GT, Dark Horse, Bullitt, and Mach 1 models (5.0L).

Maximize the exhaust flow and power output of your S550 or S650 Coyote engine with these Kooks 2" x 3" Stainless Steel Long Tube Headers. Engineered for high-performance applications, these headers feature large 2-inch primary tubes designed to reduce backpressure and improve cylinder scavenging. The system includes Kooks' H.O. Green Catted Connection Pipes, utilizing high-flow catalytic converters that offer superior flow characteristics compared to OEM units while managing the high heat of modified engines.

Every Kooks system is handcrafted in the USA from T304 aircraft-quality stainless steel for long-term durability and corrosion resistance. These headers are dyno-tested and race-proven, ensuring that the 3-inch collectors and mandrel-bent tubing provide the precise fitment and performance gains expected from a leader in the exhaust industry.

• T304 aircraft-grade stainless steel construction
• 2" primary tubes with 3" collectors
• Includes H.O. Green Catted Connection Pipes for 3" exhaust
• Handcrafted in the USA and dyno-tested for maximum power
• Replaces restrictive factory manifolds with a high-flow long-tube design
• Limited lifetime warranty to the original purchaser
• Manufacturer Part Number: 1151H642

Fits 2015-2024 Ford Mustang GT, Bullitt, Mach 1, and Dark Horse models (V8-5.0L).

Improve the exhaust scavenging and power output of your S550 or S650 Mustang with this premium header and connection pipe system from Kooks. Engineered for the 5.0L Coyote engine, these headers feature 1-7/8 inch primary tubes designed to maximize airflow and reduce backpressure. The kit includes Kooks' signature GREEN Catted connection pipes, providing a high-flow catalytic solution that maintains a direct path to your exhaust system while using aircraft-quality materials.

Handcrafted in the USA from T304 stainless steel, these headers are built to withstand high heat and corrosion in both street and track environments. Every system is dyno and race-tested to ensure precise fitment and performance gains that meet Kooks' rigorous standards.

• 1-7/8 inch primary tube diameter for optimal flow
• Includes GREEN Catted high-flow connection pipes
• Handcrafted from T304 aircraft-quality stainless steel
• Mandrel-bent tubing for maximum exhaust velocity
• Hand-made in the USA
• Limited lifetime warranty to the original purchaser
• Manufacturer Part Number: 1151H432

Fits 2015-2026 Ford Mustang GT, Bullitt, Mach 1, and Dark Horse models (5.0L).

Unlock a deeper, more aggressive exhaust note and improve flow on your Coyote-powered Mustang with the Kooks Headers Resonator Delete H-Pipe Kit. This kit is engineered to replace the bulky and restrictive factory resonator, reducing backpressure and shedding weight from the exhaust system. The H-pipe design is specifically chosen to provide that classic, low-frequency muscle car growl while balancing exhaust pulses between cylinder banks.

Built for longevity and performance, this kit is handcrafted in the USA using T304 stainless steel to resist corrosion and handle the high-heat cycles of performance driving. It is designed to install into the factory exhaust path for a clean, precision fit that maintains proper clearances under the chassis.

• Replaces the restrictive OEM resonator for improved exhaust flow and sound
• Constructed from high-quality T304 stainless steel for maximum durability
• Classic H-pipe configuration delivers a deep, resonant exhaust tone
• Handcrafted and dyno-tested for optimized performance
• Includes all necessary hardware for a direct installation into the factory system
• Limited lifetime warranty for the original purchaser
• Manufacturer Part Number: 11513500

Fits select 2015-2026 Ford Mustang GT, Bullitt, Mach 1, Shelby GT500, and Dark Horse models.

Kooks 3-inch dual connection pipes are engineered to bridge the gap between performance headers and your factory exhaust system. These pipes are handcrafted in the USA from mandrel-bent T304 aircraft-quality stainless steel, ensuring maximum exhaust flow and long-term durability. This system features Kooks' signature high-flow GREEN series catalytic converters, providing a balance of high-performance throughput and exhaust scrubbing.

Designed specifically for a precision fit, these connection pipes transition seamlessly to mate with the OEM outlet. Each component is dyno and race tested to ensure it meets the rigorous demands of street, track, and off-road applications.

• Pipe Diameter: 3-inch
• Material: T304 aircraft-quality stainless steel
• Catalytic Converters: Kooks GREEN high-flow series
• Connection Type: Dual connection pipes to OEM outlet
• Construction: Mandrel-bent tubing
• Country of Origin: USA
• Limited lifetime warranty to the original purchaser
• Manufacturer Part Number: 11513300

Fits 2011-2014 Ford Mustang GT and Boss 302 (5.0L). This Kooks catted X-pipe is engineered to provide a seamless transition between Kooks long tube headers and the factory exhaust system. Designed for maximum exhaust scavenging and power gains, this mid-pipe is dyno and race-tested to meet the demands of high-performance street and track applications.

Constructed from handcrafted T304 aircraft-quality stainless steel, this X-pipe features a 3-inch inlet that tapers to a 2-3/4-inch outlet to maintain compatibility with the OEM connection points. Please note that Kooks headers are required for installation of this component (MPN: 11413200).

• Material: T304 Aircraft Quality Stainless Steel
• Inlet Diameter: 3-inch (Requires Kooks Long Tube Headers)
• Outlet Diameter: 2-3/4-inch (OEM Connection)
• Configuration: X-Pipe with High-Flow Catalytic Converters
• Manufacturing: Handcrafted in the USA
• Warranty: Limited Lifetime Warranty to the original purchaser
• Part Number: 11413200

Fits 2005-2010 Ford Mustang GT, Bullitt, and Shelby GT models equipped with a manual transmission.

This Kooks long tube header and X-pipe system is engineered to maximize exhaust scavenging and increase horsepower on the 4.6L 3V engine. Constructed from premium T304 aircraft-quality stainless steel, the 1-5/8 inch primaries are specifically sized to balance high-RPM flow with essential low-end torque. The kit includes a 2-1/2 inch catted X-pipe featuring high-flow catalytic converters, designed to provide a clean install while significantly reducing backpressure compared to the factory mid-pipe. Handcrafted in the USA, this system replaces restrictive factory manifolds and is designed for a precise fit with manual transmission applications.

• Handcrafted from mandrel-bent T304 stainless steel for maximum durability
• 1-5/8 inch primary tubes with 2-1/2 inch collectors
• Includes 2-1/2 inch stainless steel X-pipe with high-flow catalytic converters
• Optimized for manual transmission clearance
• Dyno and race-tested design for proven power gains
• Manufacturer Part Number: 1131H020
• Backed by a Limited Lifetime Warranty to the original purchaser

Fits 2005-2009 Ford Mustang GT, Bullitt, Shelby GT, and Shelby GT500 (4.6L).

Improve your Mustang's exhaust flow and acoustics with this Kooks 3-inch cat-back exhaust system. Handcrafted in the USA, this system is engineered to replace the restrictive factory exhaust on 2005-2009 S197 models, providing a direct path for exhaust gases to exit. Built from T304 aircraft-quality stainless steel, it is designed to withstand the rigors of both street and track use while resisting corrosion over the life of the vehicle.

• Full 3-inch diameter tubing for maximum exhaust flow and power gains
• Constructed from high-grade T304 stainless steel for long-term durability
• Mandrel-bent for consistent internal diameter through every curve
• Dyno and race tested to ensure optimal performance
• Hand-finished for precision fitment and easy installation
• Includes Kooks limited lifetime warranty for the original purchaser
• Manufacturer Part Number: 11304300