GMC Performance Exhaust System Kits

Designed to fit Hooker Competition header, Manifold or catalytic converter back applications. Cat-back kits install behind the converter and all other applicable emission control devices.

Product Features:

• Reducer Flex-Tubes
• Reduces Backpressure
• Hardware Included
• Instructions Included

DynoMax® Ultra Flo Welded performance stainless steel mufflers feature 100-percent welded construction for lifelong durability. The unrestricted, straight-through design dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower. Each muffler

Product Features:

• Stainless steel construction for lifelong protection
• 100% welded design for maximum durability
• Straight through design ensures unrestricted exhaust flow and reduces back pressure
• CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
• Dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower.

DynoMax® Ultra Flo Welded performance stainless steel mufflers feature 100-percent welded construction for lifelong durability. The unrestricted, straight-through design dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower. Each muffler

Product Features:

• Stainless steel construction for lifelong protection
• 100% welded design for maximum durability
• Straight through design ensures unrestricted exhaust flow and reduces back pressure
• CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
• Dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower.

Manufactured and marketed by Tenneco Inc. (NYSE: TEN), DynoMax® Performance Exhaust is a leading brand of dyno-proven exhaust products for muscle cars, pass cars, diesel and gas trucks, Jeeps and sport utility vehicles. DynoMax® products – engineered for “Pure Unadulterated Power” – include complete cat-back and axle-back performance exhaust systems; performance mufflers and the industry exclusive VT valve technology muffler; and a large assortment of accessories and related exhaust products. Each DynoMax® product has the benefits of worldwide global engineering resources. The DynoMax® brand is backed by an aggressive marketing program, including a national events program; easy-to-use website and digital and printed catalog; in-depth technical and installation information and tech line; and advertising program.Product Features:

• Dynomax® Performance Exhaust, a leading performance exhaust brand built on over 20 years of market leadership. Each and every Dynomax® product is backed by engineers who know what you want and expect out of a performance exhaust product.
• Hardware and accessories provide OE-style features and design for greater durability for longer service life
• Hardware and accessories provide OE-style fit and finish for easy use and installation
• Hardware and accessories are manufactured to work seamlessly with all Dynomax® performance parts, making installation quick and easy
• Hardware and accessories are manufactured from premium steel to provide greater durability

DynoMax® Super Turbo performance mufflers exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications. The large internal flow tubes improve exhaust flow and reduce backpressure. Each muffler uses fiberglas

Product Features:

• Large internal flow tubes improve exhaust flow and reduce backpressure
• Exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications.
• Fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone
• Dyno proven to flow up to 700 SCFM

DynoMax® Super Turbo performance mufflers exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications. The large internal flow tubes improve exhaust flow and reduce backpressure. Each muffler uses fiberglas

Product Features:

• Large internal flow tubes improve exhaust flow and reduce backpressure
• Exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications.
• Fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone
• Dyno proven to flow up to 700 SCFM

Give your vintage vehicle’s exhaust system an upgrade with a DynoMax® dual header kit. Designed to attach to OE manifolds, it features a special reducer that allows for a variety of mounting options.

Product Features:

• COMPATIBILITY — Designed for a variety of full-size 1975-87 GMC trucks and Chevrolet/GMC SUVs 2WD; see product information for compatibility and engine spec
• BUILD IT YOURSELF — Design and custom fabricate your own exhaust system with this kit that attaches to OE manifolds
• FLEXIBLE MOUNTING — Special reducer design allows for a variety of mounting options
• IMPROVED FLOW CAPACITY – Smooth bends improve flow capacity over traditional bends
• SPECS — Extra-long tailpipes with side exits with a full 2.25-in. diameter; tail pipes exit each side of vehicle behind rear tires; for trucks with OE catalytic converter due to cross member location
• COMPLETE SOLUTION — Includes all the necessary clamps, hangers, flanges, gaskets, mounting hardware, intermediate, extension and tail pipes
• PREMIUM MATERIALS – Made from quality aluminized steel for durability and long life
• BETTER TOGETHER — Complete your system with premium DynoMax mufflers and DynoMax accessories for a complete performance exhaust system

Give your vintage vehicle’s exhaust system an upgrade with a DynoMax? dual header kit. Designed to attach to OE manifolds, it features a special reducer that allows for a variety of mounting options.

Product Features:

• COMPATIBILITY — Designed for a variety of full-size 1973-89 GMC 4WD trucks and Chevrolet 4WD SUVs; see product information for compatibility and engine spec
• BUILD IT YOURSELF — Design and custom fabricate your own exhaust system with this kit that attaches to OE manifolds
• FLEXIBLE MOUNTING — Special reducer design allows for a variety of mounting options
• IMPROVED FLOW CAPACITY — Smooth bends improve flow capacity over traditional bends
• SPECS — Extra-long tailpipes with side exits with a full 2.25-in. diameter; tailpipes exit each side of vehicle behind rear tires
• COMPLETE SOLUTION — Includes all the necessary clamps, hangers, flanges, gaskets, mounting hardware, intermediate, extension and tail pipes
• PREMIUM MATERIALS — Made from quality aluminized steel for durability and long life
• PREMIUM MATERIALSÿ–ÿMade from quality aluminized steel for durability and long life
• BETTER TOGETHER — Complete your system with premium DynoMax mufflers and DynoMax accessories for a complete performance exhaust system
• WARNING — Not legal for use on pollution-controlled motor vehicles

DynoMax® Super Turbo performance mufflers exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications. The large internal flow tubes improve exhaust flow and reduce backpressure. Each muffler uses fiberglas

Product Features:

• Large internal flow tubes improve exhaust flow and reduce backpressure
• Exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications.
• Fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone
• Dyno proven to flow up to 700 SCFM

Designed to fit Hooker Competition header, Manifold or catalytic converter back applications. Cat-back kits install behind the converter and all other applicable emission control devices.

Product Features:

• Reducer Flex-Tubes
• Reduces Backpressure
• Hardware Included
• Instructions Included

Designed to fit Hooker Competition header, Manifold or catalytic converter back applications. Cat-back kits install behind the converter and all other applicable emission control devices.

Product Features:

• Reducer Flex-Tubes
• Reduces Backpressure
• Hardware Included
• Instructions Included

The Street Series Stainless Performance Exhaust system delivers dyno proven power with a comfortable interior sound and performance exterior sound.

Product Features:

• Dyno-proven performance
• Durable corrosion-resistant stainless steel construction
• CNC precision robotic manufacturing techniques

The MagnaFlow Street Series Cat-Back Performance Exhaust System 15754 brings out the personality of your Truck with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3in. main piping and 1 Straight-Through mufflers ending in a Dual Split Rear exit with 3.5in. Polished Clamp-On Single Wall Angle Cut Rolled Edge tips, this Truck exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Truck’s to shame. With this system your vehicle will be producing Aggressive exterior and Moderate interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 15754 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15754 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty.

Product Features:

• Dyno-proven performance
• Durable corrosion-resistant stainless steel construction
• CNC precision robotic manufacturing techniques

The MagnaFlow Street Series Cat-Back Performance Exhaust System 16672 brings out the personality of your SUV with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3in. main piping and 1 Straight-Through mufflers ending in a Single Passenger Side Rear exit with 3.5 x 5.5in. Polished Welded-On Double Wall Straight Cut Rolled Edge tips, this SUV exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other SUV’s to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 16672 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 16672 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty.

Product Features:

• Dyno-proven performance
• Durable corrosion-resistant stainless steel construction
• CNC precision robotic manufacturing techniques

The MagnaFlow Street Series Cat-Back Performance Exhaust System 15789 brings out the personality of your Truck with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 4in. main piping and 1 Straight-Through mufflers ending in a Single Passenger Side Rear exit with 4in. Polished Welded-On Single Wall Angle Cut Rolled Edge tips, this Truck exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Truck’s to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 15789 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15789 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty.

Product Features:

• Dyno-proven performance
• Durable corrosion-resistant stainless steel construction
• CNC precision robotic manufacturing techniques

The MagnaFlow Street Series Cat-Back Performance Exhaust System 15618 brings out the personality of your Truck with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 3in. main piping and 1 Straight-Through mufflers ending in a Single Passenger Side Rear exit with 4in. Polished Welded-On Single Wall Angle Cut Rolled Edge tips, this Truck exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Truck’s to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 15618 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15618 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty.

Product Features:

• Dyno-proven performance
• Durable corrosion-resistant stainless steel construction
• CNC precision robotic manufacturing techniques

The MagnaFlow Street Series Cat-Back Performance Exhaust System 15798 brings out the personality of your SUV with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 4in. main piping and 1 Straight-Through mufflers ending in a Single Passenger Side Rear exit with 4in. Polished Welded-On Single Wall Angle Cut Rolled Edge tips, this SUV exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other SUV’s to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 15798 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15798 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty.

Product Features:

• Dyno-proven performance
• Durable corrosion-resistant stainless steel construction
• CNC precision robotic manufacturing techniques

DynoMax® Super Turbo performance mufflers exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications. The large internal flow tubes improve exhaust flow and reduce backpressure. Each muffler uses fiberglas

Product Features:

• Large internal flow tubes improve exhaust flow and reduce backpressure
• Exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications.
• Fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone
• Dyno proven to flow up to 700 SCFM

DynoMax® Ultra Flo Welded performance stainless steel mufflers feature 100-percent welded construction for lifelong durability. The unrestricted, straight-through design dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower. Each muffler

Product Features:

• Stainless steel construction for lifelong protection
• 100% welded design for maximum durability
• Straight through design ensures unrestricted exhaust flow and reduces back pressure
• CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
• Dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower.

DynoMax® Ultra Flo Welded performance stainless steel mufflers feature 100-percent welded construction for lifelong durability. The unrestricted, straight-through design dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower. Each muffler

Product Features:

• Stainless steel construction for lifelong protection
• 100% welded design for maximum durability
• Straight through design ensures unrestricted exhaust flow and reduces back pressure
• CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
• Dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower.

Give your vintage vehicle’s exhaust system an upgrade with a DynoMax? dual header kit. Designed to attach to headers, it features a special reducer that allows for a variety of mounting options.

Product Features:

• COMPATIBILITY — Designed for a variety of full-size 1973-89 GMC 4WD trucks and Chevrolet 4WD SUVs; see product information for compatibility and engine spec
• BUILD IT YOURSELF — Design and custom fabricate your own exhaust system with this kit that attaches to OE headers
• FLEXIBLE MOUNTING — Special reducer design allows for a variety of mounting options
• IMPROVED FLOW CAPACITY — Smooth bends improve flow capacity over traditional bends
• SPECS — Extra-long tailpipes with side exits with a full 2.25-in. diameter; tail pipes exit each side of vehicle behind rear tires
• COMPLETE SOLUTION — Includes all the necessary clamps, hangers, flanges, gaskets, mounting hardware, intermediate, extension and tail pipes
• PREMIUM MATERIALS — Made from quality aluminized steel for durability and long life
• PREMIUM MATERIALSÿ–ÿMade from quality aluminized steel for durability and long life
• BETTER TOGETHER — Complete your system with premium DynoMax mufflers and DynoMax accessories for a complete performance exhaust system
• WARNING — Not legal for use on pollution-controlled motor vehicles; headers are for racing use only and not intended or applicable for highway use