Flowmaster Chevy Headers and Exhaust Parts

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Flowmaster |

#378943045

Flowmaster 943045 Super 44 Series Muffler, 3.00 In/Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$137.95

/each

$155.95

-11%

Flowmaster |

#378943046

Flowmaster 943046 Super 44 3 In. Muffler, Offset Inlet-Centered Outlet

(2)

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$137.95

/each

$155.95

-11%

Flowmaster |

#378943047

Flowmaster 943047 Super 44 Series Muffler, 3.00 In/Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$137.95

/each

$155.95

-11%

Flowmaster |

#378943052

Flowmaster 943052 50 Series Delta Flow Muffler, 3.00 In/Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$173.95

/each

$195.95

-11%

Flowmaster |

#378952448

Flowmaster Mufflers 952448 Super 40 2.25 In. Muffler, Offset In/Outlet

(1)

Muffler Type:

Chambered

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$149.95

/each

$168.95

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.

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.

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.

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.

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.

Project Chevelle Episode 12: Exhaust

In this episode we install a Flowmaster American Thunder dual exhaust kit behind our healthy 383 and go for a spin. Spoiler alert; it sounds awesome!

LS Swap Chevelle Guide

Learn about performing an LS Swap in a 1972 Chevelle in this tech article. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0.

Jerry’s Understated 1963 Chevy Bel Air

Jerry Patterson tells people who ask if this '63 Bel Air is an SS that it sure is - "Simply Subtle."

Water Pump Options for the Chevy Crate Engine

In this Tech Tip, a customer asked for some recommendations on water pumps for his 1934 Chevy Coupe build.

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

-11%

Flowmaster |

#378952549

Flowmaster 952549 Super 40 Series Delta Flow Muffler, 2.50 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$152.95

/each

$172.95

-11%

Flowmaster |

#378953046

Flowmaster 953046 Super 40 3 In. Muffler, Offset Inlet-Centered Outlet

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$149.95

/each

$168.95

-11%

Flowmaster |

#378953048

Flowmaster Mufflers 953048 Super 40 Muffler, Offset Inlet/Outlet, 3 In

(1)

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$149.95

/each

$168.95

-11%

Flowmaster |

#378524554

Flowmaster 524554 50 Series Muffler, 2.25 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$199.95

/each

$224.95

-8%

Flowmaster |

#425718115

Flowmaster 718115 FlowFX Cat-Back Exhaust, 21-22 Ford F-150, 3 In

Sold in Quantity:

Kit

Exhaust System Kit Type:

Direct Fit

$699.95

/kit

$760.95

-7%

Flowmaster |

#37815925

Flowmaster 15925 Ball Flange 3 Inch Collector to 2.5 Inch

(5)

Material Type:

Steel

Flange Style:

2-Bolt

$207.95

/pair

$224.95

-9%

Flowmaster |

#37842543

Muffler Type:

Chambered

Inlet Diameter:

3.5"

Outlet Diameter:

3.5"

$176.95

/each

$192.95

-11%

Flowmaster |

#3788425453

Flowmaster 8425453 Super 44 Series Muffler, 2.5 In/ 3.0 Out

Inlet Diameter:

2.5"

Outlet Diameter:

$139.95

/each

$157.95

-11%

Flowmaster |

#3788425454

Flowmaster 8425454 Stainless Super 44 Series Muffler, 2.50 In/Out

(1)

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$139.95

/each

$157.95

Flowmaster |

#3788435439

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$149.95

/each

$165.95

-8%

Flowmaster |

#3789430119

(2)

Muffler Type:

Perforated Tube w/Packing

Inlet Diameter:

Outlet Diameter:

$99.95

/each

-8%

Flowmaster |

#37815391

Flowmaster 15391 Exhaust Tip, 2.5 in. Inlet I.D., 10 in. Length

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$89.79

/each

$97.95

-11%

Flowmaster |

#378942548

Flowmaster Mufflers 942548 Super 44 2.5 Inch Muffler, Offset In/Outlet

(2)

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$137.95

/each

$155.95

-11%

Flowmaster |

#37852456

Flowmaster 52456 50 Series Muffler, 2.25 In/Out

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$199.95

/each

$224.95

-11%

Flowmaster |

#378853048

Flowmaster 853048 Super 40 Series Delta Flow Muffler, 3.00 In/Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$170.95

/each

$192.95

-11%

Flowmaster |

#378842448

Flowmaster 842448 Stainless Super 44 Series Muffler, 2.25 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$139.95

/each

$157.95

-15%

Flowmaster |

#UP234217

Flowmaster 15802 Tailpipes, 2.5in Pair GM A-Body

Garage Sale Type:

Open Box

Outside Diameter:

2.50"

Exhaust Tubing Diameter:

2-1/2 Inch

$225.99

/kit

$267.95

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Flowmaster Chevy Headers and Exhaust Parts

Model

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Department

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Products

Flowmaster 943045 Super 44 Series Muffler, 3.00 In/Out

Flowmaster 943046 Super 44 3 In. Muffler, Offset Inlet-Centered Outlet

Flowmaster 943047 Super 44 Series Muffler, 3.00 In/Out

Flowmaster 943052 50 Series Delta Flow Muffler, 3.00 In/Out

Flowmaster Mufflers 952448 Super 40 2.25 In. Muffler, Offset In/Outlet

Related Articles

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

Flowmaster 952549 Super 40 Series Delta Flow Muffler, 2.50 In/Out

Flowmaster 953046 Super 40 3 In. Muffler, Offset Inlet-Centered Outlet

Flowmaster Mufflers 953048 Super 40 Muffler, Offset Inlet/Outlet, 3 In

Flowmaster 524554 50 Series Muffler, 2.25 In/Out

Flowmaster 718115 FlowFX Cat-Back Exhaust, 21-22 Ford F-150, 3 In

Flowmaster 15925 Ball Flange 3 Inch Collector to 2.5 Inch

Flowmaster Mufflers 42543 40 Series 2.5 Inch Muffler, Offset In/Outlet

Flowmaster 9430462 Super 44 Series Muffler, 3.00 In/ 2.50 Out

Flowmaster 9430502 50 Series Delta Flow Muffler 3.00 In/ 2.50 Out

Flowmaster 9430512 50 Series Delta Flow Muffler 3.00 In/ 2.50 Out

Flowmaster 9435109 Delta Force 10 Series Muffler, 3.50 In/Out

Flowmaster 8425453 Super 44 Series Muffler, 2.5 In/ 3.0 Out

Flowmaster 8425454 Stainless Super 44 Series Muffler, 2.50 In/Out

Flowmaster 8435439 Delta Force 40 Series Race Muffler 3.50 In/Out

Flowmaster 8525454 Super 40 Series Delta Flow Muffler 2.50 In/Out

Flowmaster 9424422 40 Series Delta Flow Muffler, 2.25 In/Out

Flowmaster 9425422 40 Series Delta Flow Muffler 2.50 In/ 2.25 Out

Flowmaster 9425432 40 Series Delta Flow Muffler, 2.50 In/Out

Flowmaster 9425472 Super 44 Series Muffler, 2.50 In/Out

Flowmaster 9430109 Delta Force 10 Series Muffler, 3.00 In/Out

Flowmaster 9430119 Delta Force 10 Series Muffler, 3.00 In/Out

Flowmaster 9430452 Super 44 Series Muffler, 3.00 In/ 2.50 Out

Flowmaster 952545 Super 40 Series Delta Flow Muffler, 2.50 In/Out

Flowmaster 71419 FlowFX Muffler 3.00 In/Out Round Body

Flowmaster 15391 Exhaust Tip, 2.5 in. Inlet I.D., 10 in. Length

Flowmaster Mufflers 942548 Super 44 2.5 Inch Muffler, Offset In/Outlet

Flowmaster 52456 50 Series Muffler, 2.25 In/Out

Flowmaster 853048 Super 40 Series Delta Flow Muffler, 3.00 In/Out

Flowmaster 842448 Stainless Super 44 Series Muffler, 2.25 In/Out

Flowmaster 15802 Tailpipes, 2.5in Pair GM A-Body

Models: