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9% OFF
Flowmaster Flow FX Chambered Muffler 3.00 Center In / 3.00 Center Out Round Body Moderate Sound Stainless Steel Affordable Performance for Modern Trucks, Muscle Cars & Daily Drivers 71419
US Store
Flowmaster

Flowmaster Flow FX Chambered Muffler 3.00 Center In / 3.00 Center Out Round Body ...
4.7

200+ bought

USD 79 87

9% OFF
Flowmaster Flow FX Chambered Muffler 2.25 Center In / 2.25 Center Out Round Body Moderate Sound Stainless Steel Affordable Performance for Modern Trucks, Muscle Cars & Daily Drivers, 71415
US Store
Flowmaster

Flowmaster Flow FX Chambered Muffler 2.25 Center In / 2.25 Center Out Round Body ...
4.5

100+ bought

USD 79 87

10% OFF
Flowmaster Flow FX Chambered Muffler 2.50 Offset In / 2.50 Center Out Moderate Sound Stainless Steel Affordable Performance for Modern Trucks, Muscle Cars & Daily Drivers 71226
US Store
Flowmaster

Flowmaster Flow FX Chambered Muffler 2.50 Offset In / 2.50 Center Out Moderate ...
4.7

100+ bought

USD 84 93

9% OFF
Flowmaster 43041 40 Series Muffler
US Store
Flowmaster

Flowmaster 43041 40 Series Muffler
4.6

50+ bought

USD 115 127

10% OFF
Flowmaster Super 10 Series Chambered Muffler 2.50 Dual In / 2.50 Dual Out Race-Inspired Sound 409 Stainless Steel Ideal for Muscle Cars, LS Swaps, Drag Cars & Off-Road Build 8425154
US Store
Flowmaster

Flowmaster Super 10 Series Chambered Muffler 2.50 Dual In / 2.50 Dual Out ...
4.7

50+ bought

USD 117 130

11% OFF
Flowmaster Super 40 Series Chambered Muffler - 3.0 Center In/Offset Out - Aggressive Sound - Aluminized Steel - Perfect for Muscle Cars, Lifted Trucks, Street Rods, and High-Torque Builds 953047
US Store
Flowmaster

Flowmaster Super 40 Series Chambered Muffler - 3.0 Center In/Offset Out - ...
4.7

50+ bought

USD 170 190

9% OFF
Flowmaster 40 Series Original Chambered Muffler 2.50 Dual In / 2.50 Dual Out Aggressive Sound 16-Gauge Aluminized Steel For Muscle Cars, Street Rods, Trucks, SUVs & Strip Builds 425404
US Store
Flowmaster

Flowmaster 40 Series Original Chambered Muffler 2.50 Dual In / 2.50 Dual Out ...
4.7

50+ bought

USD 115 127

9% OFF
Flowmaster 843016 Super 10 Offset Inlet 3.00 Center Outlet Muffler
US Store
Flowmaster

Flowmaster 843016 Super 10 Offset Inlet 3.00 Center Outlet Muffler
4.6

50+ bought

USD 115 127

9% OFF
Flowmaster 15361 Exhaust Tip 3 Inch Rolled Angle Polished 304 Stainless Steel Fits 2.50 Inch Tubing Clamp On
US Store
Flowmaster

Flowmaster 15361 Exhaust Tip 3 Inch Rolled Angle Polished 304 Stainless Steel Fits ...
4.1

USD 114 125

Flowmaster 842547 Super 44 Series Chambered Muffler
US Store
Flowmaster

Flowmaster 842547 Super 44 Series Chambered Muffler
5

USD 173

Flowmaster 9530560 50 Series HD Chambered Muffler
US Store
Flowmaster

Flowmaster 9530560 50 Series HD Chambered Muffler
4.6

USD 337

Flowmaster 17360 Force II Cat-Back Exhaust Kit 3 Inch Aluminized Steel 3.5 Inch Polished Stainless Tip Compatible with 1999-2007 Classic Body Chevy GMC 1500 4.3L 4.8L 5.3L 2/4WD Standard Cab Short Bed
US Store
Flowmaster

Flowmaster 17360 Force II Cat-Back Exhaust Kit 3 Inch Aluminized Steel 3.5 Inch ...
4.5

USD 676

Flowmaster 817936 Outlaw Cat-Back Exhaust System
US Store
Flowmaster

Flowmaster 817936 Outlaw Cat-Back Exhaust System
3.9

USD 1356

Flowmaster 15803 Pre-bent Tailpipes
US Store
Flowmaster

Flowmaster 15803 Pre-bent Tailpipes
4.5

USD 290

Flowmaster 818121 American Thunder Axle-Back Exhaust System Stainless Single Exit
US Store
Flowmaster

Flowmaster 818121 American Thunder Axle-Back Exhaust System Stainless Single Exit
4.2

USD 645

Flowmaster 817895 American Thunder Cat-back Exhaust System
US Store
Flowmaster

Flowmaster 817895 American Thunder Cat-back Exhaust System
4

USD 1367

Flowmaster 718122 FlowFX Cat-Back Exhaust System Stainless Dual Exit
US Store
Flowmaster

Flowmaster 718122 FlowFX Cat-Back Exhaust System Stainless Dual Exit
2.6

USD 906

Flowmonster 11219-FM 409Ss Oval Case Absorption Muffler
US Store
Flowmaster

Flowmonster 11219-FM 409Ss Oval Case Absorption Muffler
4

USD 72

Flowmaster 818168 Outlaw Series Cat-Back Exhaust 3 Inch In Dual 2.5 Out 409 Stainless Steel 4.5 Inch Black Tips Compatible with 2021-2025 Ford F-150 2.7 3.5 5.0L PowerBoost and non-hybrid Factory Dual
US Store
Flowmaster

Flowmaster 818168 Outlaw Series Cat-Back Exhaust 3 Inch In Dual 2.5 Out 409 ...

USD 1713

Flowmaster 817491 Force II Cat-back Exhaust System
US Store
Flowmaster

Flowmaster 817491 Force II Cat-back Exhaust System
4.6

USD 903

Flowmaster 717805 FlowFX Cat-Back Exhaust Kit Dual 2.5 Inch Stainless Steel 3.5 Inch Black Ceramic Stainless Tips Compatible with all 2010-2024 Toyota 4Runner models with the 4.0L engine
US Store
Flowmaster

Flowmaster 717805 FlowFX Cat-Back Exhaust Kit Dual 2.5 Inch Stainless Steel 3.5 ...
4.8

USD 692

Flowmaster 942548 Super 44 Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound
US Store
Flowmaster

Flowmaster 942548 Super 44 Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive ...
5

USD 175

Flowmaster 12418409 Super HP-2 Muffler 409SS
US Store
Flowmaster

Flowmaster 12418409 Super HP-2 Muffler 409SS
4.3

USD 249

Flowmaster 9430109 10 Series Delta Force Race Muffler
US Store
Flowmaster

Flowmaster 9430109 10 Series Delta Force Race Muffler
4.5

USD 171

Flowmaster 952547 Super 40 Series Chambered Muffler
US Store
Flowmaster

Flowmaster 952547 Super 40 Series Chambered Muffler
4.7

USD 188

Flowmaster 817949 Force II Cat-back Exhaust System
US Store
Flowmaster

Flowmaster 817949 Force II Cat-back Exhaust System

USD 920

Flowmaster 817554 Force II Cat-back Exhaust System
US Store
Flowmaster

Flowmaster 817554 Force II Cat-back Exhaust System
4.1

USD 1506

Flowmaster 943052 50 Delta Flow Muffler - 3.00 Center In and 3.00 Offset Out - Moderate Sound
US Store
Flowmaster

Flowmaster 943052 50 Delta Flow Muffler - 3.00 Center In and 3.00 Offset Out - ...
4.4

USD 218

Flowmaster 942453 50 Series Delta Flow Chambered Muffler
US Store
Flowmaster

Flowmaster 942453 50 Series Delta Flow Chambered Muffler
4.3

USD 218

Flowmaster 817774 Outlaw Cat-back Exhaust System
US Store
Flowmaster

Flowmaster 817774 Outlaw Cat-back Exhaust System
4.1

USD 1591

Flowmaster 817981 Outlaw Cat-Back Exhaust Kit 3 Inch 409 Stainless Steel Dual Exit 4 Inch Black Ceramic Coated 304 Stainless Steel Tips Compatible with 2021-2024 Ford F-150 2.7L 3.5L 5.0L
US Store
Flowmaster

Flowmaster 817981 Outlaw Cat-Back Exhaust Kit 3 Inch 409 Stainless Steel Dual Exit ...

USD 1380

Flowmaster 9430462 Super 44 Series Chambered Muffler
US Store
Flowmaster

Flowmaster 9430462 Super 44 Series Chambered Muffler
4.3

USD 174

Flowmaster 8525454 Super 40 Series Chambered Muffler
US Store
Flowmaster

Flowmaster 8525454 Super 40 Series Chambered Muffler
4.7

USD 214

17% OFF
Flowmaster 717857 FlowFX Cat-Back Exhaust Kit 3 Inch 409 Stainless Steel 4.5 Inch Black Ceramic Stainless Steel Tips Compatible with 2014-2019 Classic Body Chevy Silverado GMC Sierra 1500 4.3L 5.3L
US Store
Flowmaster

Flowmaster 717857 FlowFX Cat-Back Exhaust Kit 3 Inch 409 Stainless Steel 4.5 Inch ...
4.4

USD 773 933

11% OFF
Flowmaster 42441 40 Series Muffler - 2.25 Offset In / 2.25 Center Out - Aggressive Sound
US Store
Flowmaster

Flowmaster 42441 40 Series Muffler - 2.25 Offset In / 2.25 Center Out - Aggressive ...
5

USD 116 131

10% OFF
Flowmaster 9430452 Super 44 Muffler - 3.00 Center In / 2.50 Dual Out - Aggressive Sound
US Store
Flowmaster

Flowmaster 9430452 Super 44 Muffler - 3.00 Center In / 2.50 Dual Out - Aggressive ...
4.7

USD 158 175

Flowmaster 817424 American Thunder Cat-Back Exhaust Kit Dual 2.5 Inch Tailpipes Stainless Steel 3 Inch Polished Stainless Steel Tips Compatible with 2006-2008 Dodge Ram 1500 4.7L
US Store
Flowmaster

Flowmaster 817424 American Thunder Cat-Back Exhaust Kit Dual 2.5 Inch Tailpipes ...
5

USD 1243

10% OFF
Flowmaster 953045 Super 40 Series Chambered Muffler
US Store
Flowmaster

Flowmaster 953045 Super 40 Series Chambered Muffler
4.6

USD 170 188

10% OFF
Flowmaster 71226 FlowFX Muffler 2.5 Offset Inlet Center Outlet - Moderate Sound 409 Stainless Steel
US Store
Flowmaster

Flowmaster 71226 FlowFX Muffler 2.5 Offset Inlet Center Outlet - Moderate Sound 409 ...
4.9

USD 85 94

Flowmaster 815425 Outlaw Series Race Muffler
US Store
Flowmaster

Flowmaster 815425 Outlaw Series Race Muffler
4.7

USD 213

Flowmaster 817480 American Thunder Cat-back Exhaust System
US Store
Flowmaster

Flowmaster 817480 American Thunder Cat-back Exhaust System
4.1

USD 1186

Flowmaster 12012409 Super HP-2 Muffler 409SS
US Store
Flowmaster

Flowmaster 12012409 Super HP-2 Muffler 409SS
4.3

USD 192

10% OFF
Flowmaster 842515 Super 10 Muffler 409S - 2.50 Center In / 2.50 Center Out - Aggressive Sound
US Store
Flowmaster

Flowmaster 842515 Super 10 Muffler 409S - 2.50 Center In / 2.50 Center Out - ...
4.9

USD 118 131

10% OFF
Flowmaster 942446 Super 44 Muffler - 2.25 Offset In / 2.25 Center Out - Aggressive Sound
US Store
Flowmaster

Flowmaster 942446 Super 44 Muffler - 2.25 Offset In / 2.25 Center Out - Aggressive ...
4.7

USD 158 175

Flowmaster 53070 70 Series Chambered Muffler
US Store
Flowmaster

Flowmaster 53070 70 Series Chambered Muffler
4.7

USD 280

Flowmaster 818138 Outlaw Extreme Cat-Back Exhaust System - Stainless - Single Outlet Dump
US Store
Flowmaster

Flowmaster 818138 Outlaw Extreme Cat-Back Exhaust System - Stainless - Single ...

USD 498

Flowmaster 717987 FlowFX Cat-Back Exhaust Kit 3.5 to Dual 3 Inch Stainless 4 Inch Black Tips Compatible with 2011-2019 Chevy Silverado GMC Sierra 2500/3500HD Crew Cab 6.5 Foot Bed 6.0L 2/4WD
US Store
Flowmaster

Flowmaster 717987 FlowFX Cat-Back Exhaust Kit 3.5 to Dual 3 Inch Stainless 4 Inch ...
5

USD 1186

Flowmaster 817754 Outlaw Axle-back Exhaust System
US Store
Flowmaster

Flowmaster 817754 Outlaw Axle-back Exhaust System
4.5

USD 2090

Explore About Flowmaster & Its Products

Flowmaster is a California-based manufacturer of high-performance exhaust systems for cars, trucks, SUVs, and motorcycles. The company's products are renowned for their signature sound and improved engine performance.

- Founded in 1983 by Ray Flugger

- Introduced its first patented technology muffler in 1986

- Acquired by B&M Racing and Performance in 1999

- Established a manufacturing facility in Hayden, Idaho

- Introduced its Delta Flow technology muffler in 2001

Brands Similar to Flowmaster

Magnaflow

Magnaflow is a California-based manufacturer of high-performance exhaust systems. The company's products are known for their signature sound and improved engine performance.

Borla

Borla is a manufacturer of high-performance exhaust systems for cars, trucks, and SUVs. The company's products are known for their enhanced engine performance and signature sound.

Top Trending & High Rated Products of Flowmaster

Super 10 Series

This is Flowmaster's most aggressive-sounding muffler. It features a single-chamber design that provides a loud and powerful tone.

FlowFX

FlowFX is a straight-through performance muffler that features a patented Helmholtz resonator. It provides an aggressive tone and enhanced engine performance.

Outlaw Series

The Outlaw Series is designed for high-performance vehicles. It provides an aggressive tone and increased airflow to improve engine performance.

Common Questions Asked by Customers About Flowmaster & Its Products

What is the sound difference between the Super 10 and FlowFX?

The Super 10 provides a very aggressive tone, while the FlowFX is slightly mellower.

Are Flowmaster products street legal?

Most Flowmaster products are street legal, but it's important to check with your local laws and regulations.

How do Flowmaster mufflers improve engine performance?

Flowmaster mufflers increase exhaust flow, which reduces back pressure and allows the engine to breathe easier, resulting in improved performance.

Do Flowmaster mufflers require any special tools for installation?

Flowmaster mufflers can be installed using basic hand tools. However, it's recommended to use a lift and air tools for a faster and easier installation.

What is the warranty on Flowmaster products?

Flowmaster offers a limited lifetime warranty on its stainless steel products and a 3-year warranty on its aluminized steel products.