1970 Pontiac Firebird Exhaust System Kits

The MagnaFlow Street Series Crossmember-Back Performance Exhaust System 15899 brings enhanced engine sound and dyno-proven performance to your muscle car with a healthy helping of our deep, resonant signature exhaust note at Aggressive exterior and Moderate interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features a crossmember-back layout designed to replace your exhaust system from the crossmember on back. With its fast-flowing, mandrel bent 3in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit that you can enhance with tips of your choosing, your muscle car will be sounding as awesome as it looks. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15899 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited construction warranty.

Product Features:

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

Product Features:

• Each system is supplied with a high-efficiency stamped crossover & high-flow TIG-welded 304 SS absorption mufflers
• OE quality hardware (clamps, hanger rods and rubber isolators) provided to ensure excellent fitment and a leak free installation
• Provides compatibility with stock parking brake cables
• Both kits are supplied with turn-down style exits under the rear quarter panels
• Stainless steel straight through designed absorption mufflers for a muscle car sound without the resonance.
• Constructed of mandrel bent stainless steel tubing
• Works with Hooker long tube headers

The Street Series Stainless Performance Exhaust system delivers dyno proven power with a comfortable interior sound and performance exterior sound. MagnaFlow Performance Exhaust System Kit 15620 is made of durable stainless steel and built using CNC precision robotic manufacturing techniques, all backed by MagnaFlow’s limited warranty.

Product Features:

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

For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.

Super Competition Cat-Back System Black Finish Mufflers with Aluminized Tubing

Product Features:

• Exit At Stock Locations
• Mandrel Bent Not Press Bent
• Mandrel Bent Not Press Bent
• Maximum Flow
• Uses Existing Stock Hangers
• Large Diameter 16 Ga. Aluminum Tubing
• Low Back Pressure and Long Life
• Easy Installation

Product Features:

• Each system is supplied with a high-efficiency stamped crossover & high-flow TIG-welded 304 SS absorption mufflers
• OE quality hardware (clamps, hanger rods and rubber isolators) provided to ensure excellent fitment and a leak free installation
• Provides compatibility with stock parking brake cables and Ridetech/Fatman Fabrications 4-link suspensions (an industry exclusive feature in an off-the-shelf package)
• Both kits are supplied with turn-down style exits under the rear quarter panels
• Optional polished under-bumper and dual “Formula” style tips (2.5″ system only) available

The MagnaFlow Street Series Cat-Back Performance Exhaust System 15693 brings out the personality of your Car with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.5in. main piping and 1 Straight-Through mufflers ending in a Dual Split Rear exit with 3.5in. Polished Welded-On Single Wall Angle Cut Edge tips, this Car 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 Car’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 15693 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. 15693 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited finish warranty and limited construction warranty.

Product Features:

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

Super Competition Cat-Back System Black Finish Mufflers with Aluminized Tubing

Product Features:

• Exit At Stock Locations
• Mandrel Bent Not Press Bent
• Mandrel Bent Not Press Bent
• Maximum Flow
• Uses Existing Stock Hangers
• Large Diameter 16 Ga. Aluminum Tubing
• Low Back Pressure and Long Life
• Easy Installation

For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.

The MagnaFlow Street Series Cat-Back Performance Exhaust System 16723 brings out the personality of your Car 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 Quad Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips, this Car 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 Car’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 16723 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. 16723 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited finish warranty and limited construction warranty.

Product Features:

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

Super Competition Cat-Back Exhaust System

For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.

For the person looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, Flowmaster’s America Thunder system for GM F-Body cars include specially-selected Super 44 mufflers to make your Camaro or Firebird come alive. This Header-back dual exhaust system uses 2.50 in. 409S stainless steel tubing, backed by our 10-year warranty! And a durable H-pipe design that delivers improved throttle response, power and mileage. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.

The MagnaFlow Street Series Cat-Back Performance Exhaust System 15684 brings out the personality of your Car 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 Welded-On Single Wall Angle Cut Edge tips, this Car 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 Car’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 15684 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. 15684 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited finish warranty and limited construction warranty.

Product Features:

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

The Street Series Stainless Performance Exhaust system delivers dyno proven power with a comfortable interior sound and performance exterior sound. MagnaFlow Performance Exhaust System Kit 16829 is made of durable stainless steel and built using CNC precision robotic manufacturing techniques, all backed by MagnaFlow’s limited warranty.

Product Features:

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