Flowmaster Headers and Exhaust

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-7%

Flowmaster |

#378717970

Flowmaster 717970 Flowfx Extreme Cat-Back Exhaust, 16-22 Tacoma

GTIN Code:

090127126301

Exhaust System Kit Type:

Direct Fit

$436.95

/kit

$473.95

-7%

Flowmaster |

#378817628

Flowmaster 817628 Force II Cat-Back Exhaust 11-21 Jeep GC, Single

Exhaust System Type:

Cat-Back

Single or Dual:

Dual | Single Exit

Exhaust Tubing Diameter:

2-1/2 Inch

$1,117.95

/kit

$1,210.95

Flowmaster |

#378717935

Flowmaster 717935 Flowfx Cat-Back Exhaust System, 15-23 Charger

GTIN Code:

090127092590

Exhaust System Kit Type:

Direct Fit

$1,649.95

/kit

-6%

Flowmaster |

#37817398

Flowmaster 17398 American Thunder Cat-Back Exhaust System, Ram

Exhaust System Type:

Cat-Back

Single or Dual:

Single | Dual Exit

Bed Side Type:

Short & Long

$649.95

/kit

$691.95

-7%

Flowmaster |

#378717805

Flowmaster 717805 Flowfx Cat-Back Exhaust System, 10-22 4Runner

GTIN Code:

700042039555

Exhaust System Kit Type:

Direct Fit

$584.95

/kit

$633.95

Project Chevelle: Exhaust Tech Article

The open headers were fun, but now it's time for a real exhaust on Project Chevelle. Follow along as we quiet things down with a Flowmaster American Thunder dual exhaust kit.

Choosing the Right Exhaust

That fresh engine deserves all new exhaust bits. Be sure to have a look at our rundown on selecting the best setup for headers, exhaust, and mufflers for your ride here.

The Sound of Flowmaster Mufflers

If you're ready to get your street machine sounding as good as it looks, it's important to know how each muffler will affect your sound and performance. Take a listen and decide which muffler is best for your rod.

Exhaust Manifolds VS Headers | How Much HP Do Headers Add

Headers and manifolds differ in design and function. Long tube headers, shorty headers, and exhaust manifolds each have their pros and cons regarding performance and application.

Exhaust System Header Wrapping

Whether you’re looking for performance improvements or heat reduction, if you decide to wrap your headers, we'll show you the benefits and possible precautions to take before you wrap your exhaust.

Best Type of Mufflers to Create the Perfect Exhaust Note | Glasspack Muffler vs Chambered Muffler

From glasspack, turbo, and chambered mufflers, to resonators, and more, which muffler is best for you? See our guide to learn more.

Exhaust Repair

Some basic info on the various exhaust options carried by Speedway Motors.

The Exhausting Search for Headers

Having issues fitting headers into your car/engine? This article provides helpful hints on ways to modify or add parts to make the headers fit in your specific car. Kevin W. explains his build experience with headers.

Ceramic Coated Headers

Watch our video on the ceramic coating process for Armor Hot Coating. Headers coated with Armor Hot Coating protect your car without sacrificing looks.

Choosing the Right Headers

Which size of headers should I use? Short or long tube headers? Etc. Learn how to answer these exhaust questions and choose the right header with our expert guide.

-11%

Flowmaster |

#378943043

Flowmaster 943043 40 Series Delta Flow Muffler, 3.00 In/Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$149.95

/each

$168.95

-11%

Flowmaster |

#3788530552

Flowmaster 8530552 Stainless 50 Series Muffler, 3.00 In/ 2.50 Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

2.5"

$224.95

/each

$253.95

Flowmaster |

#378952460

Flowmaster 952460 60 Series Delta Flow Muffler, 2.25 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$99.95

/each

-6%

Flowmaster |

#378817659

Flowmaster 817659 Force II Crossmember-Back Exhaust System

Exhaust System Type:

Crossmember-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

2-1/4 Inch

$1,299.95

/kit

$1,383.95

$138 Off

Flowmaster |

#378817754

Flowmaster 817754 Outlaw Exhaust Kit, 2014-17 Corvette Stingray

Exhaust System Type:

Axle-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

3 Inch

$1,999.95

/kit

$2,137.95

$129 Off

Flowmaster |

#378817746

Flowmaster 817746 American Thunder Axle-Back Exhaust System

Exhaust System Type:

Axle-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

3 Inch

$1,749.95

/kit

$1,878.95

-6%

Flowmaster |

#378817423

Flowmaster 817423 American Thunder Cat-Back Exhaust System

Exhaust System Type:

Cat-Back

Single or Dual:

Single | Dual Exit

Exhaust Tubing Diameter:

2-1/2 Inch

$1,049.95

/kit

$1,124.95

-11%

Flowmaster |

#3788042443

Flowmaster 8042443 Stainless 40 Series Muffler, 2.25 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$135.95

/each

$152.95

-7%

Flowmaster |

#378814226

Flowmaster 814226 Scavenger Series Elite Header 04-10 Ford F-150

Header Tube Type:

Shorty

Flange Style:

Standard

Primary Tube Diameter:

1-5/8"

$1,065.95

/kit

$1,153.95

-7%

Flowmaster |

#378718117

Flowmaster 718117 Flowfx Extreme Cat-Back Exhaust, 21-23 F-150

GTIN Code:

090127129999

Exhaust System Kit Type:

Direct Fit

$531.95

/kit

$575.95

-11%

Flowmaster |

#378530552

Flowmaster 530552 50 Series Muffler, 3.00 In/ 2.50 Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

2.5"

$222.95

/each

$250.95

-7%

Flowmaster |

#37817655FM

Flowmaster 17655-FM American Thunder Crossmember-Back Exhaust

GTIN Code:

090127078068

Exhaust System Kit Type:

Direct Fit

$1,065.95

/each

$1,153.95

$390 Off

Flowmaster |

#UP230827

Flowmaster 814116 Scavenger Series Elite Header 64-72 Chevelle LS

Garage Sale Type:

Blemished

Header Tube Type:

Long Tube

Flange Style:

Standard

$959.99

/kit

$1,349.95

-5%

Flowmaster |

#37817199

Flowmaster 17199 American Thunder Cat-Back Exhaust System, Camaro

Exhaust System Type:

Cat-Back

Single or Dual:

Single | Dual Exit

Exhaust Tubing Diameter:

3 Inch

$849.95

/kit

$899.95

-11%

Flowmaster |

#3789424472

Flowmaster 9424472 Super 44 Series Muffler, 2.25 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$137.95

/each

$155.95

-11%

Flowmaster |

#378843041

Flowmaster 843041 40 Series Delta Flow Muffler, 3.00 In/Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$170.95

/each

$192.95

-8%

Flowmaster |

#37815377B

Flowmaster 15377B Exhaust Tip, 3 in. Inlet I.D., 7 in. Length

Exhaust Tubing Diameter:

3 Inch

Finish:

Ceramic Coated

$119.95

/each

$130.95

-7%

Flowmaster |

#378817493

Flowmaster 817493 Force II Cat-Back Exhaust System

Exhaust System Type:

Cat-Back

Single or Dual:

Single

Exhaust Tubing Diameter:

2-1/2 Inch

$675.95

/kit

$731.95

-7%

Flowmaster |

#378817516

Flowmaster 817516 Outlaw Axle-Back Exhaust System

Exhaust System Type:

Axle-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

3 Inch

$714.95

/kit

$773.95

-5%

Flowmaster |

#378817807

Flowmaster 817807 American Thunder Axle-Back, 18-19 Mustang 5.0L

Exhaust System Type:

Axle-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

3 Inch

$1,249.95

/each

$1,325.95

-11%

Flowmaster |

#37843083

Flowmaster 43083 80 Series Crossflow Muffler, 3.00 In/ 2.50 Out

Inlet Diameter:

Outlet Diameter:

2.5"

$185.95

/each

$209.95

-7%

Flowmaster |

#378817510

Flowmaster 817510 Force II Cat-Back Exhaust System

Exhaust System Type:

Cat-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

2-1/4 Inch

$1,065.95

/kit

$1,153.95

-11%

Flowmaster |

#378852556

Flowmaster 852556 Stainless 50 Series Muffler, 2.50 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$224.95

/each

$253.95

-11%

Flowmaster |

#378842547

Flowmaster 842547 Super 44 Series Muffler, 2.50 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$139.95

/each

$157.95

-8%

Flowmaster |

#37815398B

Flowmaster 15398B Exhaust Tip, 3 in. Inlet I.D., 13 in. Length

Exhaust Tubing Diameter:

3 Inch

Finish:

Ceramic Coated

$143.95

/each

$156.95

-11%

Flowmaster |

#378942544

Flowmaster 942544 40 Series Delta Flow Muffler, 2.50 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$149.95

/each

$168.95

$119 Off

Flowmaster |

#378817688

Flowmaster 817688 Outlaw Cat-Back Exhaust System

Exhaust System Type:

Cat-Back

Single or Dual:

Single | Dual Exit

Exhaust Tubing Diameter:

3 Inch

$1,399.95

/kit

$1,518.95

$125 Off

Flowmaster |

#378817740

Flowmaster 817740 Outlaw Cat-Back Exhaust System

Exhaust System Type:

Cat-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

3 Inch

$1,449.95

/kit

$1,574.95

-7%

Flowmaster |

#37815356

Flowmaster 15356 Exhaust Tip, Direct Fit, 2009-23 Ram 1500 5.7L

Exhaust Tubing Diameter:

4 Inch

Finish:

Polished

$299.95

/pair

$322.95

-6%

Flowmaster |

#378817853

Flowmaster 817853 American Thunder Cat-Back 19 Silverado 1500 5.3

Exhaust System Type:

Cat-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

2-1/2 Inch

$1,299.95

/each

$1,383.95

-8%

Flowmaster |

#378717893

Flowmaster 717893 FlowFX Cat-Back, 2019 Silverado/Sierra 1500

Exhaust System Type:

Cat-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

2-1/2 Inch

$999.95

/each

$1,094.95

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Flowmaster Headers and Exhaust

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Products

Flowmaster 717970 Flowfx Extreme Cat-Back Exhaust, 16-22 Tacoma

Flowmaster 817628 Force II Cat-Back Exhaust 11-21 Jeep GC, Single

Flowmaster 717935 Flowfx Cat-Back Exhaust System, 15-23 Charger

Flowmaster 17398 American Thunder Cat-Back Exhaust System, Ram

Flowmaster 717805 Flowfx Cat-Back Exhaust System, 10-22 4Runner

Related Articles

Flowmaster 943043 40 Series Delta Flow Muffler, 3.00 In/Out

Flowmaster 8530552 Stainless 50 Series Muffler, 3.00 In/ 2.50 Out

Flowmaster 952460 60 Series Delta Flow Muffler, 2.25 In/Out

Flowmaster 817659 Force II Crossmember-Back Exhaust System

Flowmaster 817754 Outlaw Exhaust Kit, 2014-17 Corvette Stingray

Flowmaster 817746 American Thunder Axle-Back Exhaust System

Flowmaster 817423 American Thunder Cat-Back Exhaust System

Flowmaster 8042443 Stainless 40 Series Muffler, 2.25 In/Out

Flowmaster 814226 Scavenger Series Elite Header 04-10 Ford F-150

Flowmaster 718117 Flowfx Extreme Cat-Back Exhaust, 21-23 F-150

Flowmaster 530552 50 Series Muffler, 3.00 In/ 2.50 Out

Flowmaster 17655-FM American Thunder Crossmember-Back Exhaust

Flowmaster 814116 Scavenger Series Elite Header 64-72 Chevelle LS

Flowmaster 17199 American Thunder Cat-Back Exhaust System, Camaro

Flowmaster 9424472 Super 44 Series Muffler, 2.25 In/Out

Flowmaster 843041 40 Series Delta Flow Muffler, 3.00 In/Out

Flowmaster 15377B Exhaust Tip, 3 in. Inlet I.D., 7 in. Length

Flowmaster 817493 Force II Cat-Back Exhaust System

Flowmaster 817516 Outlaw Axle-Back Exhaust System

Flowmaster 817807 American Thunder Axle-Back, 18-19 Mustang 5.0L

Flowmaster 43083 80 Series Crossflow Muffler, 3.00 In/ 2.50 Out

Flowmaster 817510 Force II Cat-Back Exhaust System

Flowmaster 852556 Stainless 50 Series Muffler, 2.50 In/Out

Flowmaster 842547 Super 44 Series Muffler, 2.50 In/Out

Flowmaster 15398B Exhaust Tip, 3 in. Inlet I.D., 13 in. Length

Flowmaster 942544 40 Series Delta Flow Muffler, 2.50 In/Out

Flowmaster 817688 Outlaw Cat-Back Exhaust System

Flowmaster 817740 Outlaw Cat-Back Exhaust System

Flowmaster 15356 Exhaust Tip, Direct Fit, 2009-23 Ram 1500 5.7L

Flowmaster 817853 American Thunder Cat-Back 19 Silverado 1500 5.3

Flowmaster 717893 FlowFX Cat-Back, 2019 Silverado/Sierra 1500

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