Flowmaster GMC R1500 Headers and Exhaust Parts

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GMC R1500

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-11%

Flowmaster |

#378842515

Flowmaster 842515 Super 10 Series Muffler, 2.50 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$101.95

/each

$114.95

-11%

Flowmaster |

#378842580

Flowmaster 842580 80 Series Crossflow Muffler, 2.50 In/Out

(1)

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$188.95

/each

$212.95

-7%

Flowmaster |

#378815937

Flowmaster 815937 U-Fit Dual Exhaust Kit, Universal, 3 Inch

Exhaust System Type:

Header-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

3 Inch

$623.95

/kit

$674.95

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

-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

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.

Exhaust Repair

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

Hooker Header Installation Guide

Hooker headers are installed in a 1967 Pontiac Firebird for increased power and a boost in performance. See how to work through fitment of the steering box, clutch Z bar and starter.

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.

Replacing GM Rear End Spherical Bushings

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

Rebuilding Junkyard SBC Vortec Cylinder Heads

Learn how to re-build a junkyard Small Block Chevy. A step-by-step guide on how to select a SBC, machine the valve guide bosses down, and what parts to use to upgrade to your personal liking.

-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

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

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$175.95

/each

$191.95

-11%

Flowmaster |

#3789430452

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

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

2.5"

$137.95

/each

$155.95

-11%

Flowmaster |

#378952545

Flowmaster 952545 Super 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

-7%

Flowmaster |

#378R3025

Flowmaster R3025 Venturi Reducer, 3 in. Inlet

Diameter Small End:

2.5"

Sold in Quantity:

Pair

$51.95

/pair

$56.19

-8%

Flowmaster |

#378T3030

Flowmaster T3030 Scavenger Turndown, 3 in. Inlet

Exhaust Tubing Diameter:

3 Inch

GTIN Code:

700042015009

$86.95

/pair

$94.95

-8%

Flowmaster |

#378T3535

Flowmaster T3535 Scavenger Turndown, 3.5 in. Inlet

Exhaust Tubing Diameter:

3-1/2 Inch

GTIN Code:

700042015023

$94.69

/pair

$102.95

-8%

Flowmaster |

#378MB125048

Flowmaster MB125048 Exhaust Pipes, 2.50 in. O.D x 48in

Exhaust Tubing Diameter:

2-1/2 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

2.50"

$88.25

/each

$95.95

-8%

Flowmaster |

#378Y300400

Flowmaster Y300400 Scavenger Series Y Collector, 3 Pri / 4 Col

Hardware Included:

Exhaust Tubing Diameter:

3 Inch

Finish:

Aluminized

$126.95

/each

$138.95

-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

-8%

Flowmaster |

#37815307

Flowmaster 15307 Exhaust Tip, 2.5 in. Inlet I.D., 10 in. Length

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$126.95

/each

$138.95

-7%

Flowmaster |

#37815363

Flowmaster 15363 Exhaust Tip, 3 in. Inlet, 12 in. Long

Exhaust Tubing Diameter:

3 Inch

Finish:

Polished

$105.95

/each

$114.95

-7%

Flowmaster |

#37815390

Flowmaster 15390 Exhaust Tip, 2.50 in. Inlet, 10 in. Long

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$164.95

/each

$178.95

-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

-7%

Flowmaster |

#37815401

Flowmaster 15401 4 In. Exhaust Tip, Carbon Fiber, Fits 3 In.

Exhaust Tubing Diameter:

3 Inch

Finish:

Carbon Fiber

$184.95

/each

$200.95

-8%

Flowmaster |

#37815402

Flowmaster 15402 Exhaust Tip, 3 In. Dual-Out Angle-Cut Fits 3 In.

Exhaust Tubing Diameter:

3 Inch

Finish:

Polished

$122.95

/each

$133.95

-8%

Flowmaster |

#37815901

Flowmaster 15901 Single Tailpipe Kit, 2.5in 4-piece

Outside Diameter:

2.50"

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Aluminized

$199.95

/kit

$217.95

-8%

Flowmaster |

#37815920

Flowmaster 15920 Exhaust Crossover Pipe, 2.5 in. Diameter

Exhaust Tubing Diameter:

2-1/2 Inch

GTIN Code:

700042014705

$136.95

/kit

$148.95

-7%

Flowmaster |

#37851022

Flowmaster 51022 Exhaust Heat Shield, 22 in. x 10 in.

GTIN Code:

700042014781

$72.99

/kit

$78.95

Exhaust System Type:

Header-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

3 Inch

$549.95

/each

$597.95

-8%

Flowmaster |

#37815902

Flowmaster 15902 Single Tailpipe Kit, 3in 4-piece

Outside Diameter:

3.00"

Exhaust Tubing Diameter:

3 Inch

Finish:

Aluminized

$175.95

/kit

$191.95

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Flowmaster GMC R1500 Headers and Exhaust Parts

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Products

Flowmaster 842515 Super 10 Series Muffler, 2.50 In/Out

Flowmaster 842580 80 Series Crossflow Muffler, 2.50 In/Out

Flowmaster 815937 U-Fit Dual Exhaust Kit, Universal, 3 Inch

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

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

Related Articles

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 R3025 Venturi Reducer, 3 in. Inlet

Flowmaster T3030 Scavenger Turndown, 3 in. Inlet

Flowmaster T3535 Scavenger Turndown, 3.5 in. Inlet

Flowmaster MB125048 Exhaust Pipes, 2.50 in. O.D x 48in

Flowmaster Y300400 Scavenger Series Y Collector, 3 Pri / 4 Col

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

Flowmaster 15307 Exhaust Tip, 2.5 in. Inlet I.D., 10 in. Length

Flowmaster 15363 Exhaust Tip, 3 in. Inlet, 12 in. Long

Flowmaster 15390 Exhaust Tip, 2.50 in. Inlet, 10 in. Long

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

Flowmaster 15401 4 In. Exhaust Tip, Carbon Fiber, Fits 3 In.

Flowmaster 15402 Exhaust Tip, 3 In. Dual-Out Angle-Cut Fits 3 In.

Flowmaster 15901 Single Tailpipe Kit, 2.5in 4-piece

Flowmaster 15920 Exhaust Crossover Pipe, 2.5 in. Diameter

Flowmaster 51022 Exhaust Heat Shield, 22 in. x 10 in.

Flowmaster 52580 80 Series Crossflow Muffler, 2.50 In/Out

Flowmaster 71225 FlowFX Muffler 2.25 Offset In, 2.25 Center Out

Flowmaster 15929 Single Tailpipe Kit, Universal, 4 Inch, 4-Piece

Flowmaster 15937 3 Inch U-Fit Universal Dual Exhaust Kit

Flowmaster 15902 Single Tailpipe Kit, 3in 4-piece