These systems feature race proven Outlaw® mufflers for a very aggressive exterior sound level with a moderate interior sound level. Features 2-1/4-Inch connections for an easy fit to the stock mid pipe then the inlets quickly expand to full 3-Inch mandrel-bent inlet tubing leading into a pair of the race proven Outlaw mufflers for maximum performance and sound. The system is supported from the factory hanger locations for an easy and hassle free installation that can be done at home and is finished off with large 4-Inch highly polished stainless steel tips for that performance look and sound that you've come to expect from Flowmaster.

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• Large 4-Inch Polished Stainless Steel Tips
• Aggressive Race-Proven Outlaw Mufflers
• Dyno-Tuned For Maximum Performance

This 409S stainless steel performance exhaust system bolts up to the factory flange with a large 3 Inch mandrel-bent tube flowing into the "straight-through'flow FX performance muffler. The large single 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. This system creates a deep powerful sound outside the vehicle with a moderate tone inside the cab and utilizes the factory hanger locations for an easy installation. Features all necessary parts, hardware and easy to follow detailed instructions.

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

Flowmaster introduces our new Flow FX Extreme stainless steel cat-back exhaust system uses a Flow FX series muffler for a deep powerful sound and increased performance. 3 Inch mandrel bent 409 stainless steel tubing is used 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 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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• Features 3 Inch 16 Gauge Mandrel Bent Stainless Steel Tubing Helps Maintain Maximum Exhaust Flow For Better Power

Flowmaster is excited to announce our new premium quality exhaust line - Signature Series. Featuring high quality brushed 304 stainless steel and black chrome tips, the Signature Series line is hand TIG welded in the USA. Initial applications for mid and full size trucks (late model muscle cars coming soon) will produce an aggressive to moderate performance sound level. Installer friendly design allows for an at home installation with basic hand tools.

More Features

• Brushed 304 Stainless Steel Offers Maximum Corrosion Resistance For A Cleaner And More High-End Appearance
• TIG Welding Offers A More Precise Weld, Better Heat Control And High-End Appearance Compared To MIG Welding
• Signature Series Mufflers Offer An Aggressive To Moderate Performance Tone And Increased Performance Over The Stock System
• Installer Friendly Design Allows For An At Home Installation
• Brushed Appearance Removes Tooling Marks For A Cleaner Overall Look

The classic sound of a Flowmaster chambered exhaust, our American Thunder® Series features mufflers tuned to deliver more power, torque, throttle response and Mileage. Best of all, these exhaust systems take sedate vehicles and deliver that great performance tone especially designed for muscle car and truck fans. American Thunder is the most authentic Flowmaster muffler sound we offer.

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• Super 40 Series Performance Muffler
• Uses The Factory Hanger Locations
• Clears The Factory Spare Tire

This system uses the Super 50 series muffler for a moderate to mild sound level and increased performance. This 3 chamber muffler has a resonance chamber to reduce interior sound, ideal for towing or long haul situations. Mandrel bent 3 Inch to dual out 2.5-inch 409 stainless steel tubing allows for maximum exhaust flow and durability. This system uses larger 4 Inch polished stainless steel tips for a custom look. All of the necessary hardware is Provided, and factory-mounting locations are used for an easy installation.

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• Super 50 Series Performance Muffler Offers A Moderate To Mild Sound Level And Increased Performance
• 409 Stainless Steel Construction Delivers Extra Durability And Improved Long-Term Corrosion Resistance
• 3 Chamber Muffler Design Uses A Built-In Resonance Chamber To Control Interior Sound Levels Better
• 3 Inch To Dual 2-1/2 Inch 16-Gauge Mandrel Bent Stainless Steel Tubing Helps Maintain Maximum Exhaust Flow For Better Power

Flowmaster's American Thunder Cat-back exhaust system is perfect for the person looking for a moderate exterior sound level while maintaining a mild interior sound with all of the performance benefits that you would expect from Flowmaster. This bolt-on cat-back 409S stainless steel system features 2-1/2 Inch mandrel-bent tubing and a Scavenger X-pipe crossover for a unique deep sound and maximum power. The dual Super 44 Series mufflers flow into dual 2-1/2 Inch mandrel-bent tailpipes which are finished off with tuned resonators and stainless steel tips that exit within the rear bumper valance. Designed for an easy fit and features all necessary parts and hardware for installation.

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• Exclusive Scavenger X-Pipe Crossover
• Uses The Factory Hanger Locations For Easy Installation

This Flowmaster® Flow FX® cat-back exhaust system is manufactured using durable 409 stainless steel throughout and features 2-1/2 Inch mandrel bent tubing for better exhaust gas flow. Dual Flow FX series mufflers are used for an aggressive to moderate exhaust note and increased performance. This system exits with dual 4 Inch black ceramic coated stainless steel tips for added style and a custom look. Max gains of 11 Horsepower and 8 Pound-Feet of torque at the rear wheels over stock. 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.

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• FlowFX "Straight Through" Performance Muffler Delivers A Deep, Aggressive To Moderate Performance Tone And Improves Exhaust Flow

Our new Flowmaster® Flow FX® cat-back exhaust system is manufactured using durable 409 stainless steel throughout and features a 2-1/2 Inch inlet pipe leading to a single inlet/dual outlet Flow FX "straight-through" muffler for great sound and maximum performance. The dual 2-1/2 Inch mandrel-bent stainless steel tailpipes exit out each 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. The 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.

More Features

• Large 4-1/2 Inch Black Ceramic Coated Stainless Steel Tips
• Deep Powerful Tone Outside With Moderate Interior Tone

Flowmaster is excited to announce our new premium quality exhaust line - Signature Series. Featuring high quality brushed 304 stainless steel and black chrome tips, the Signature Series line is hand TIG welded in the USA. Initial applications for mid and full size trucks (late model muscle cars coming soon) will produce an aggressive to moderate performance sound level. Installer friendly design allows for an at home installation with basic hand tools.

More Features

• Brushed 304 Stainless Steel Offers Maximum Corrosion Resistance For A Cleaner And More High-End Appearance
• TIG Welding Offers A More Precise Weld, Better Heat Control And High-End Appearance Compared To MIG Welding
• Signature Series Mufflers Offer An Aggressive To Moderate Performance Tone And Increased Performance Over The Stock System
• Installer Friendly Design Allows For An At Home Installation
• Brushed Appearance Removes Tooling Marks For A Cleaner Overall Look

The Outlaw cat-back exhaust system id for standard bumper cutout configuration, is perfect for the person looking for aggressive exterior and interior sound levels. System features dual 3-Inch 409S stainless steel mandrel-bent tubing flowing into a Scavenger series X-pipe for maximum performance and unique deep sound. The race-proven Outlaw Series mufflers flow into large 3-Inch mandrel-bent tailpipes with high quality active exhaust valves and are finished off with a pair of 4-Inch stainless steel tips exiting out the factory exhaust cutouts. Designed for an easy fit, uses the factory hanger locations, features all necessary hardware and comes with easy to follow installation instructions.

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• Exclusive Scavenger X-Pipe For Maximum Horsepower And Torque
• Large 3-Inch Mandrel-Bent Dual Exhaust System
• Features High Quality OEM Style Active Valves
• 4-Inch Polished 304 Stainless Steel Tips

This performance exhaust system bolts up to the factory cat pipes with large dual 2-1/2 Inch mandrel-bent tubing flowing into a Scavenger Series® Y-pipe for maximum flow. Our exclusive Scavenger Y-pipe creates a stronger signal than conventional y-pipes, by using two D-shaped ports back to back, giving a larger surface area than just two round pipes joined together. This creates a much stronger scavenging affect to help evacuate the cylinders during the exhaust stroke netting more power and torque. This is especially important for towing. The system flows out of the Scavenger series collector into 3 Inch stainless steel tubing and the "straight-through'flowFX muffler, which has a very deep powerful sound outside the vehicle, with moderate tone inside the cab. The mandrel-bent tailpipe exits behind the passenger side rear tire and is finished off with a large 4-1/2nch black ceramic coated exhaust tip embossed with the Flowmaster® name. The system utilizes the factory hanger locations and connections and includes all necessary parts, hardware and detailed instructions for an easy at home installation.

More Features

• Large 4-1/2 Inch Black Ceramic Coated Stainless Steel Tip
• Scavenger Series Y-Pipe For Maximum Torque Gains

The Flowmaster® Outlaw® Axle-back exhaust system is for perfect for the person looking for an aggressive exterior and moderate interior exhaust tone, with all of the performance benefits that you would expect from Flowmaster. This bolt-on emissions-legal exhaust system features dual tailpipes giving your 2 or 4 door model JL that cool dual exhaust look and sound. Features a specially designed stainless steel Outlaw Series muffler and dual 2-1/2 Inch mandrel-bent tailpipes. The system is finished off with large dual 4-Inch black ceramic coated stainless steel tips embossed with the Flowmaster name. Designed for an easy fit, this system uses the factory hanger locations and features all necessary parts and hardware for an easy at home installation.

More Features

• 409 Stainless Steel Construction Delivers Extra Durability And Improved Long-Term Corrosion Resistance
• Mandrel-Bent 409 Stainless Steel Tubing

This system uses an Outlaw series muffler for a deep powerful sound and increased performance. System uses 3-Inch mandrel bent 409 stainless steel tubing 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 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® American Thunder® cat-back exhaust system is manufactured using durable 409 stainless steel throughout and features 3 Inch mandrel bent pipes for better exhaust gas flow. This system removes the muffler for an aggressive to moderate sound level and maximum performance, while also adding additional clearance when driving off-road. Maximum dyno gains of 3 Horsepower and 5 Pound-Feet over stock were measured at the rear wheels. This system exits with a 3 Inch polished stainless steel tip 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.

Flowmaster introduces our Flow FX cat-back exhaust system uses a Flow FX style muffler for a deep exhaust tone with an aggressive to moderate sound level and increased performance. Maximum dyno gains of 12 Horsepower and 13 Pound-Feet were measured at the rear wheels. 3 Inch mandrel bent 409 stainless steel tubing is used from the factory mid-pipe flange back to maximize exhaust flow and durability. This step up from the factory pipe size will help maximize gains from additional engine upgrades. The over-axle section is also routed to help gain an additional 2 Inch of clearance from the axle when used on applications with modified suspensions. This allows for better suspension travel when used in extreme off-road situations. Dual 4 Inch black ceramic coated tips are used to add a custom look to this iconic vehicle. 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
• Features 3 Inch 16 Gauge Mandrel Bent Stainless Steel Tubing Helps Maintain Maximum Exhaust Flow For Better Power

Flowmaster is excited to announce our new premium quality exhaust line - Signature Series. Featuring high quality brushed 304 stainless steel and black chrome tips, the Signature Series line is hand TIG welded in the USA. Initial applications for mid and full size trucks (late model muscle cars coming soon) will produce an aggressive to moderate performance sound level. Installer friendly design allows for an at home installation with basic hand tools.

More Features

• Brushed 304 Stainless Steel Offers Maximum Corrosion Resistance For A Cleaner And More High-End Appearance
• TIG Welding Offers A More Precise Weld, Better Heat Control And High-End Appearance Compared To MIG Welding
• Signature Series Mufflers Offer An Aggressive To Moderate Performance Tone And Increased Performance Over The Stock System
• Installer Friendly Design Allows For An At Home Installation
• Brushed Appearance Removes Tooling Marks For A Cleaner Overall Look

This system uses an Outlaw style muffler for an aggressive exhaust tone and increased performance. System uses 3-Inch mandrel bent 409 stainless steel tubing to maximize exhaust flow and durability. Dual 4-Inch black chrome tips are used to add a custom look to this iconic vehicle. All of the necessary hardware is provided and factory mounting locations are used for an easy installation.

More Features

• An Outlaw Series Performance Muffler Delivers A Deep, Aggressive Performance Tone And Improves Exhaust Flow

The American Thunder axle-back exhaust system uses a tuned 60 Series style muffler for an aggressive to moderate exhaust tone and increased performance. Maximum dyno gains of 19 Horsepower and 19 Pound-Feet were measured at the rear wheels. 3 Inch mandrel bent 409 stainless steel tubing is used to maximize exhaust flow and durability. A polished 3 Inch stainless steel tip is used to add a custom look to this iconic vehicle. All of the necessary hardware is provided and factory mounting locations are used for an easy installation.

More Features

• Features 3 Inch Mandrel Bent 16 Gauge 409 Stainless Steel Tubing Maximizes Exhaust Flow And Improves Durability
• A Tuned 60 Series Performance Muffler Delivers A Deep, Aggressive To Moderate Performance Tone And Improves Exhaust Flow

This system replaces the stock muffler with straight pipe for an aggressive exhaust tone and increased performance. System uses 2-1/2 Inch mandrel bent 409 stainless steel tubing to maximize exhaust flow and durability. This system keeps the exhaust tip tucked up higher in the rear of the vehicle for better departure angle and minimizes the chance of hanging up on the exhaust when aggressively off roading. A polished 3-Inch stainless steel tip is used to add a custom look to this iconic vehicle. All of the necessary hardware is provided and factory mounting locations are used for an easy installation.

More Features

• High Clearance Muffler Delete System Improves Departure Angle When Off-Roading By Increasing Space Under The Rear Bumper

Flowmaster introduces our Flow FX stainless steel cat-back exhaust system uses a Flow FX series muffler for an aggressive to moderate sound level and increased performance. 3 Inch mandrel bent 409 stainless steel tubing allows for maximum exhaust flow and durability. This system use a larger 4-1/2 Inch black ceramic-coated tip for a custom look. Max dyno gains of 13 Horsepower and 16 Pound-Feet at the rear wheels. All of the necessary hardware is provided, and factory-mounting locations are used for an easy installation.

More Features

• Features 3 Inch 16 Gauge Mandrel Bent Stainless Steel Tubing Helps Maintain Maximum Exhaust Flow For Better Power

This system uses a Flow FX series muffler for an aggressive to moderate sound level and increased performance. 3 Inch to dual 2-1/2 Inch mandrel bent 409 stainless steel tubing allows for maximum exhaust flow and durability. The system uses dual 4 Inch black ceramic-coated tips for a custom look. Max dyno gains of 9 Horsepower and 10 Pound-Feet at the rear wheels. All of the necessary hardware is provided, and factory-mounting locations are used for an easy installation.

Flowmaster's® Signature Series Cat-back exhaust system uses a TIG welded 304 stainless steel Signature Series muffler for an aggressive to moderate sound level and increased performance. 3.00-inch mandrel bent brushed 304 stainless steel tubing allows for maximum exhaust flow and durability, while maintaining a high end appearance. This premium exhaust system is TIG welded for a stronger, more precise weld that looks as good as this system sounds. This system use a larger 4.50-inch PVD coated black chrome tip for a custom look. Max dyno gains of 13 HP and 16 pound feet at the rear wheels. All of the necessary hardware is included, and factory-mounting locations are used for an easy installation.

More Features

• Brushed 304 Stainless Steel Offers Maximum Corrosion Resistance For A Cleaner And More High-End Appearance
• TIG Welding Offers A More Precise Weld, Better Heat Control And High-End Appearance Compared To MIG Welding
• Signature Series Mufflers Offer An Aggressive To Moderate Performance Tone And Increased Performance Over The Stock System
• Brushed Appearance Removes Tooling Marks For A Cleaner Overall Look

Flowmaster introduces our new American Thunder stainless steel cat-back exhaust system. This system uses a Super 40 series muffler for a deep powerful sound and increased performance. Maximum dyno gains of 11 Horsepower and 10 Pound-Feet at the rear wheels. Mandrel bent 409 stainless steel tubing is used for maximum exhaust flow and durability. The system has a 3 Inch inlet pipe and dual 2-1/2 Inch tailpipes with both side exit and rear exit options that allow you to customize the look of the kit. 3-1/2 Inch polished stainless steel tips finish off the kit for a classic performance look. All of the necessary hardware is provided and factory-mounting locations are used for an easy installation.

More Features

• Features Both Rear And Side Exit Tailpipes So The Final Look Can Be Customized
• Super 40 Series Performance Muffler Delivers A Deep And Aggressive Performance Tone
• Features 3-1/2 Inch Polished Stainless Steel Tips Add A Classic Performance Look
• Delta Flow Technology Increases Performance And Reduces Drone