Flowmaster's Super 44 muffler uses the same Delta Flow® technology found in our larger Super 40 mufflers. The Super 44 delivers a rich powerful tone and are the most aggressive, highest performing street muffler we've ever built in a four inch case. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

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• Constructed Of 16 Gauge Aluminized Steel And Fully MIG Welded For Maximum Durability

Flowmaster's Super 44 muffler uses the same Delta Flow® technology found in our larger Super 40 mufflers. The Super 44 delivers a rich powerful tone and are the most aggressive, highest performing street muffler we've ever built in a four inch case. Constructed of 16 Gauge 409S stainless steel and fully MIG welded for maximum durability.

This two chamber design incorporates Flowmaster's Delta Flow® technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles. Manufacturer of performance exhaust systems, mufflers, performance air intakes, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more.

True dual exhaust systems are built with maximum performance in mind. These systems feature mandrel bent tubing, specially tuned mufflers, weld on or flanged cross over pipes, clamps, hangers, mounting hardware and stainless steel tips that complete that custom installation for that performance look and sound.

Dual Rear Exit systems are designed for the person who wants that custom look of a dual exhaust on a late model vehicle that came with a factory single exhaust. These systems feature mandrel bent 16 Gauge aluminized steel tubing, either weld-on or flanged inlet pipe/pipes, a specially tuned muffler, clamps, hangers and stainless steel exhaust tips for that aggressive look and sound of a dual exhaust system. Our dual side exit systems are recommended for towing applications.

Dual Rear Exit systems are designed for the person who wants that custom look of a dual exhaust on a late model vehicle that came with a factory single exhaust. These systems feature mandrel bent 16 Gauge aluminized steel tubing, either weld-on or flanged inlet pipe/pipes, a specially tuned muffler, clamps, hangers for that aggressive look and sound of a dual exhaust system. Our dual side exit systems are recommended for towing applications.

Dual Rear Exit systems are designed for the person who wants that custom look of a dual exhaust on a late model vehicle that came with a factory single exhaust. These systems feature mandrel bent 16 Gauge aluminized steel tubing, either weld-on or flanged inlet pipe/pipes, a specially tuned muffler, clamps, hangers and stainless steel exhaust tips for that aggressive look and sound of a dual exhaust system. Our dual side exit systems are recommended for towing applications.

This system uses an Outlaw series muffler for a deep powerful sound and increased performance. It features 3-Inch mandrel bent 409 stainless steel tubing to provide maximum exhaust flow and durability. The system has a turndown style, dump exit right after the muffler to eliminate the over-axle tailpipe. This elimination of the tailpipe helps to improve ground clearance and departure angle when you are driving in more extreme off-road situations. All of the necessary hardware is provided, and factory-mounting locations are used for an easy installation.

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• 409 Stainless Steel Construction Delivers Extra Durability And Improved Long-Term Corrosion Resistance
• 3 Inch 16-Gauge Mandrel Bent Stainless Steel Tubing Helps Maintain Maximum Exhaust Flow For Better Power

Dual Rear Exit systems are designed for the person who wants that custom look of a dual exhaust on a late model vehicle that came with a factory single exhaust. These systems feature mandrel bent 16 Gauge aluminized steel tubing, either weld-on or flanged inlet pipe/pipes, a specially tuned muffler, clamps, hangers and stainless steel exhaust tips for that aggressive look and sound of a dual exhaust system. Our dual side exit systems are recommended for towing applications.

This Flowmaster Outlaw(R) Cat-back exhaust system perfect for the person looking for maximum sound levels both inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster(R). This bolt-on Dual Out Rear or Dual Out Side emissions-legal exhaust system for trucks with the 4.6L or 5.4L engine features all mandrel-bent stainless steel tubing flowing into a Super 10™ Series muffler for a deep aggressive exterior and interior sound. The mandrel-bent dual 3-Inch stainless steel tailpipes use the factory hanger locations for an easy installation and are finished off large 4-Inch black ceramic coated double wall stainless steel tips.

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• Large 4-Inch Black Ceramic Coated Stainless Steel Tips
• Super 10 Series Performance Muffler
• Uses The Factory Hanger Locations

Our new Flowmaster® Flow FX® cat-back exhaust system is manufactured using durable 409 stainless steel tubing throughout and features a 2-1/2 Inch inlet pipe leading to a Flow FX "straight-through" muffler for great sound and maximum performance. The dual 2-1/2 Inch mandrel-bent tailpipes exit out the side at an angle behind the rear wheels directing exhaust away from your boat or travel trailer when towing. The system is finished off with a pair of large 4-1/2 Inch diameter black ceramic coated 304S stainless steel tips, giving your truck a custom look that goes hand in hand with that deep performance Flow FX sound. This system uses all the existing factory hanger locations and features an additional hanger to install the new left side tailpipe. Features installation instructions and all necessary hardware for an easy installation that you can do at home.

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• Large 4-1/2 Inch Black Ceramic Coated Stainless Steel Tips
• Uses The Factory Hanger Locations For Easy Installation

This system uses an Outlaw series muffler for a deep powerful sound and increased performance. It features 3-Inch mandrel bent 409 stainless steel tubing to provide maximum exhaust flow and durability. The system has a turndown style, dump exit right after the muffler to eliminate the over-axle tailpipe. This elimination of the tailpipe helps to improve ground clearance and departure angle when you are driving in more extreme off-road situations. All of the necessary hardware is provided, and factory-mounting locations are used for an easy installation.

More Features

• 409 Stainless Steel Construction Delivers Extra Durability And Improved Long-Term Corrosion Resistance
• 3 Inch 16-Gauge Mandrel Bent Stainless Steel Tubing Helps Maintain Maximum Exhaust Flow For Better Power

This Flowmaster® Flow FX® cat-back exhaust system is manufactured using durable 409 stainless steel throughout and features dual 2-1/2 Inch mandrel bent pipes for better exhaust gas flow, and a Flow FX "straight-through" muffler is used for a moderate sound level and maximum performance. Maximum increases on the dyno revealed 8 Horsepower and 6 Pound-Feet at the rear wheels. This system exits out both sides, behind the rear wheels with 4-1/2 Inch black ceramic tips for added style and a custom look. The system uses all the existing factory hanger locations and features installation instructions and all necessary hardware for an easy installation that you can do at home.

The new Flowmaster American Thunder cat-back exhaust system is perfect for the person looking for maximum performance and off-road ground clearance. This system replaces the factory transverse muffler and relocates the Super HP-2 muffler behind the factory catalytic converter, providing a moderate to aggressive sound level. The system features a mandrel-bent 2-1/2 Inch stainless steel tailpipe with a 3 Inch polished stainless steel tip tucked up high under the rear bumper for maximum clearance. Because the tailpipe is tucked up so high, an aftermarket metal bumper is recommended. Features all necessary parts and hardware for an easy installation you can do at home.

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• Provides Maximum Clearance For Off-Road Driving

This system uses an Outlaw series muffler for a deep powerful sound and increased performance. 3-Inch mandrel bent 409 stainless steel tubing allows for maximum exhaust flow and durability. The system has a turndown style, dump exit right after the muffler to eliminate the over-axle tailpipe. This elimination of the tailpipe helps improve ground clearance and departure angle when you are driving in more extreme off-road situations. All of the necessary hardware is provided, and factory-mounting locations are used for an easy installation.

More Features

• 409 Stainless Steel Construction Delivers Extra Durability And Improved Long-Term Corrosion Resistance
• 3 Inch 16-Gauge Mandrel Bent Stainless Steel Tubing Helps Maintain Maximum Exhaust Flow For Better Power

This 409S stainless steel performance single exhaust system bolts up to the factory catalytic converter flange with a large 3 Inch mandrel-bent tubing flowing into the "straight-through'flow FX performance muffler. The Flow FX muffler creates a deep powerful sound outside the vehicle with a moderate tone inside the cab. The mandrel-bent tailpipe exits behind the passenger side rear tire and is finished off with a large 4-1/2 Inch black ceramic coated exhaust tip embossed with the Flowmaster name. The system utilizes the factory hanger locations and connections and Features all necessary parts, hardware and detailed instructions for an easy at home installation.

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• Large 4-1/2 Inch Black Ceramic Coated Stainless Steel Tips
• Deep Powerful Tone Inside And Outside The Vehicle
• Features Mandrel-Bent 409S Stainless Steel Tubing

Flowmaster Cat-back exhaust system provides DOR/S systems are the perfect choice, and include exit pipes for both Dual Out Rear and Dual Out side configurations so that you can choose the one that fits your style. 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.

New Outlaw Cat-back exhaust system perfect for the person looking for maximum sound levels both inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster. This bolt-on DOR/DOS (Dual Out Rear or Dual Out Side tailpipe exits) is emissions legal and fits trucks with the 4.6L, 5.0L and 5.4L engines. Features all stainless steel mandrel-bent construction, a Super 10 Series muffler and exiting into dual 3-Inch mandrel-bent tailpipes for maximum performance and sound.

This Flow FX® Cat-back exhaust system is a bolt-on emissions legal system with a moderately aggressive exterior sound and a moderate interior tone. The system features all stainless steel construction for long life, and a specially designed dual inlet Flow FX® "straight-through" performance muffler flowing into dual 2-1/2 Inch mandrel-bent tailpipes for maximum performance. The tailpipes exit out the sides behind the rear wheels, which is beneficial for towing, and are finished off with a pair of large 4-1/2 Inch black ceramic coated stainless steel tips for good looks. The system features all necessary parts and hardware for easy at home installation.

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• Large 4-1/2 Inch Black Ceramic Coated Stainless Steel Tips Offer Great Looks
• FlowFX "Straight Through" Performance Muffler For Sound And Performance
• Dual 2-1/2 Inch Mandrel Bent 16 Gauge Tubing Maximizes Exhaust Flow

The Flowmaster Outlaw(R) cat-back exhaust system perfect for the person looking for maximum sound levels both inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster(R). This bolt-on emissions-legal system features all stainless steel construction, an aggressive dual inlet Super 10™ Series muffler flowing into large 3-Inch dual tailpipes for maximum performance and sound. The system comes with two sets of tailpipe pipe exits for either a dual out the back look, or dual out behind the rear tires which is beneficial for towing. The tailpipes are finished off with large 4-Inch black ceramic coated double wall stainless steel tips and features all necessary parts and hardware for easy at home installation.

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• Mandrel-Bent 409 Stainless Steel Construction
• Large 4-Inch Black Ceramic Coated Stainless Steel Tips
• Aggressive Super 10 Performance Muffler
• Side Exits Ideal For Towing Applications

This bolt-on emissions-legal exhaust system fits all 2 and 4 door models and features a specially designed stainless steel Outlaw series muffler with dual 2-1/2 Inch mandrel-bent tailpipes. The system is finished off with a pair of large 4 Inch black ceramic coated stainless steel tips. Designed for a perfect fit, the system Features all necessary parts and hardware for easy installation you can do at home.

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• Stout 409 Stainless Steel Construction

Flowmaster's American Thunder Cat-back exhaust system is perfect for the person looking for an aggressive sound level inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster. Features a stainless steel 50 Series HD muffler and dual 2-1/2 Inch stainless steel tailpipes. Like all Flowmaster systems the pipes are all mandrel bent to reduce any restrictions and maximize performance. The system finishes off with polished 3-1/2 Inch stainless steel tips. Designed for an easy fit, this system features all necessary parts and hardware for installation.

The American Thunder(R) cat-back exhaust system is perfect for the person looking for moderately aggressive interior and aggressive exterior sound levels, with all of the performance benefits that you would expect from Flowmaster(R). The system features a stainless steel 50 Series HD™ muffler with large 4 Inch internals. The large dual 3 Inch stainless steel tailpipes are mandrel-bent to reduce restrictions and maximize performance. The kit has two options for tailpipe exits, either out the sides behind the rear wheels for towing, or straight out the back under the rear bumper. They are finished off with a pair of large 4 Inch polished stainless steel tips. Features all necessary parts, hardware and easy to follow installation instructions.

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• Durable Stainless Steel Construction
• Stainless Steel 50 Series HD Performance Muffler
• Uses The Factory Hanger Locations For Easy Installation