GMC 2500 Headers and Exhaust Parts

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MagnaFlow |

#37612266

MagnaFlow 12266 5x8 Inch Oval Offset/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.25"

$176.00

/each

$268.21

-34%

MagnaFlow |

#37612368

MagnaFlow 12368 5x8 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$187.00

/each

$284.94

$148 Off

MagnaFlow |

#37612568

MagnaFlow 12568 5 Inch x 11 Inch Oval Dual/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$285.00

/each

$433.07

-34%

MagnaFlow |

#37612578

MagnaFlow 12578 5x11 Inch Oval Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$186.00

/each

$283.17

$121 Off

MagnaFlow |

#37612590

MagnaFlow 12590 5x11 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$232.00

/each

$352.83

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.

Building Custom 241 Red Ram Driveshaft Headers

In this detailed article, Tim will guide you on how to build a custom set of 241 Red Ram Hemi driveshaft headers. From the concept to the materials needed, he'll show you how the mockup and final assembly steps.

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.

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.

Selecting the Right Demo Derby Headers

Check out these tips on the large variety of Demo Derby headers that Speedway Speedway offers. Here, Jeremy will walk you through the many different styles and brands available showcasing which style might fit best in your application.

Speedway Roadster Headers for a 305 Trike

In this Tech Tip, a customer asked about using a set of Small Block Chevy Sprint Roadster headers for his trike, powered by a stock 305.

Exhaust Repair

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

Speedway Tech Talk - Derby Car Headers

Jeremy explains the different options of headers that Speedway Motors offers for Demolition Derby cars. Watch this video to see a variety of options and the benefits of certain headers.

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.

Hedman Hedders |

#41821156

Hedman Hedders 21156 3 Inch Header Collector Conversion Kit

Sold in Quantity:

Kit

Flange Style:

3-Bolt Ball and Socket

$165.26

/kit

AFCO |

#106QM258

AFCO QM258 Exhaust Header Wrap, 1 Inch, Black, Per/FT

(2)

Overall Width:

$0.99

Hedman Hedders |

#41829063

Hedman Hedders 29063 2 Inch 90 Degree 3 Inch Exhaust Pipe

Exhaust Tubing Diameter:

2 Inch

Exhaust Pipe Type:

Custom Tubing

$32.18

/each

Hedman Hedders |

#41829069

Hedman Hedders 29069 2-1/2 Inch 90 Degree 4 Inch Exhaust Pipe

Exhaust Tubing Diameter:

2-1/2 Inch

Exhaust Pipe Type:

Custom Tubing

$29.99

/each

Hedman Hedders |

#41829071

Hedman Hedders 29071 2-1/2 Inch 180 Degree 4 Inch Exhaust Pipe

Exhaust Tubing Diameter:

2-1/2 Inch

Exhaust Pipe Type:

Custom Tubing

$28.77

/each

Hedman Hedders |

#41829048

Hedman Hedders 29048 1-3/4 Inch 90 Degree 3 Inch Exhaust Pipe

Exhaust Tubing Diameter:

1-3/4 Inch

Exhaust Pipe Type:

Custom Tubing

$53.99

/each

Hedman Hedders |

#41829050

Hedman Hedders 29050 1-3/4 Inch 180 Degree 3 Inch Exhaust Pipe

Exhaust Tubing Diameter:

1-3/4 Inch

Exhaust Pipe Type:

Custom Tubing

$47.99

/each

Hedman Hedders |

#41829053

Hedman Hedders 29053 2 Inch 180 Degree 3 Inch Exhaust Pipe

Exhaust Tubing Diameter:

2 Inch

Exhaust Pipe Type:

Custom Tubing

$55.59

/each

Hedman Hedders |

#41829054

Hedman Hedders 29054 2-1/4 Inch 90 Degree 4 Inch Exhaust Pipe

Exhaust Tubing Diameter:

2-1/4 Inch

Exhaust Pipe Type:

Custom Tubing

$69.99

/each

Hedman Hedders |

#41829056

Hedman Hedders 29056 2-1/4 Inch 180 Degree 4 Inch Exhaust Pipe

Exhaust Tubing Diameter:

2-1/4 Inch

Exhaust Pipe Type:

Custom Tubing

$64.99

/each

Hedman Hedders |

#41829061

Hedman Hedders 29061 3 Inch 120 Degree 4-1/2 Inch Exhaust Pipe

Exhaust Tubing Diameter:

3 Inch

Exhaust Pipe Type:

Custom Tubing

$102.99

/each

Hedman Hedders |

#41818809

Hedman Hedders 18809 Ball-Style Header X-Tensions For 2-1/4 Inch

Exhaust Tubing Diameter:

2-1/4 Inch

Finish:

Raw

Tube Length:

17"

$43.40

/pair

Hedman Hedders |

#41821116

Hedman Hedders 21116 2-1/2 Inch Ball-Style Header Reducer 2 Inch

Sold in Quantity:

Each

Flange Style:

3-Bolt Ball and Socket

$25.12

/each

Hedman Hedders |

#41821130

Hedman Hedders 21130 Exhaust Manifold Riser, 3 Inch

Sold in Quantity:

Kit

GTIN Code:

732611211307

$63.62

/kit

Hedman Hedders |

#41821134

Hedman Hedders 21134 3 Inch Ball-Style Header Reducer 3 Inch

Sold in Quantity:

Each

Flange Style:

3-Bolt Ball and Socket

$25.57

/each

$161 Off

MagnaFlow |

#37612595

MagnaFlow 12595 5x11 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

3.5"

Outlet Diameter:

$309.00

/each

$470.37

-34%

MagnaFlow |

#37612634

MagnaFlow 12634 6x6 Inch Round Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$123.00

/each

$187.28

-34%

MagnaFlow |

#37612865

MagnaFlow 12865 5x5 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$144.00

/each

$218.82

-34%

MagnaFlow |

#37612867

MagnaFlow 12867 5x5 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$161.00

/each

$245.39

$104 Off

MagnaFlow |

#37614148

MagnaFlow 14148 5x8 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$199.00

/each

$303.23

-34%

MagnaFlow |

#37614226

MagnaFlow 14226 5x8 Inch Oval Center/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$166.00

/each

$251.92

$104 Off

MagnaFlow |

#37614263

MagnaFlow 14263 5x8 Inch Oval Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$198.00

/each

$301.75

$121 Off

MagnaFlow |

#37614266

MagnaFlow 14266 5x8 Inch Oval Offset/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.25"

$234.00

/each

$355.18

-34%

MagnaFlow |

#37614325

MagnaFlow 14325 4x9 Inch Oval Center/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$164.00

/each

$249.63

-34%

MagnaFlow |

#37610435

MagnaFlow 10435 4x4 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$132.00

/each

$200.08

-34%

MagnaFlow |

#37610445

MagnaFlow 10445 4x4 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$129.00

/each

$196.22

-33%

MagnaFlow |

#37611114

MagnaFlow 11114 3.5x7 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$145.00

/each

$219.48

-34%

MagnaFlow |

#37611148

MagnaFlow 11148 3.5x7 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

$185.00

/each

$280.97

Hedman Hedders |

#41829000

Hedman Hedders 29000 1-1/2 Inch 90 Degree, 2 Inch Exhaust Pipe

Exhaust Tubing Diameter:

1-1/2 Inch

Exhaust Pipe Type:

Custom Tubing

$19.49

/each

Hedman Hedders |

#41829040

Hedman Hedders 29040 3 Inch 180 Degree 4-1/2 Inch Exhaust Pipe

Exhaust Tubing Diameter:

3 Inch

Exhaust Pipe Type:

Custom Tubing

$30.99

/each

Hedman Hedders |

#41829020

Hedman Hedders 29020 2 Inch 120 Degree 3 Inch Exhaust Pipe

Exhaust Tubing Diameter:

2 Inch

Exhaust Pipe Type:

Custom Tubing

$22.99

/each

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GMC 2500 Headers and Exhaust Parts

Year

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

Discounts

Price

Customer Rating

Products

MagnaFlow 12266 5x8 Inch Oval Offset/Dual Stainless Muffler

MagnaFlow 12368 5x8 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 12568 5 Inch x 11 Inch Oval Dual/Dual Stainless Muffler

MagnaFlow 12578 5x11 Inch Oval Offset/Offset Stainless Muffler

MagnaFlow 12590 5x11 Inch Oval Center/Dual Stainless Muffler

Related Articles

Hedman Hedders 21156 3 Inch Header Collector Conversion Kit

AFCO QM258 Exhaust Header Wrap, 1 Inch, Black, Per/FT

Hedman Hedders 29063 2 Inch 90 Degree 3 Inch Exhaust Pipe

Hedman Hedders 29069 2-1/2 Inch 90 Degree 4 Inch Exhaust Pipe

Hedman Hedders 29071 2-1/2 Inch 180 Degree 4 Inch Exhaust Pipe

Hedman Hedders 29048 1-3/4 Inch 90 Degree 3 Inch Exhaust Pipe

Hedman Hedders 29050 1-3/4 Inch 180 Degree 3 Inch Exhaust Pipe

Hedman Hedders 29053 2 Inch 180 Degree 3 Inch Exhaust Pipe

Hedman Hedders 29054 2-1/4 Inch 90 Degree 4 Inch Exhaust Pipe

Hedman Hedders 29056 2-1/4 Inch 180 Degree 4 Inch Exhaust Pipe

Hedman Hedders 29061 3 Inch 120 Degree 4-1/2 Inch Exhaust Pipe

Hedman Hedders 18809 Ball-Style Header X-Tensions For 2-1/4 Inch

Hedman Hedders 21116 2-1/2 Inch Ball-Style Header Reducer 2 Inch

Hedman Hedders 21130 Exhaust Manifold Riser, 3 Inch

Hedman Hedders 21134 3 Inch Ball-Style Header Reducer 3 Inch

MagnaFlow 12595 5x11 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 12634 6x6 Inch Round Offset/Offset Stainless Muffler

MagnaFlow 12865 5x5 Inch Round Center/Center Stainless Muffler

MagnaFlow 12867 5x5 Inch Round Center/Center Stainless Muffler

MagnaFlow 14148 5x8 Inch Oval Center/Center Stainless Muffler

MagnaFlow 14226 5x8 Inch Oval Center/Offset Stainless Muffler

MagnaFlow 14263 5x8 Inch Oval Offset/Offset Stainless Muffler

MagnaFlow 14266 5x8 Inch Oval Offset/Dual Stainless Muffler

MagnaFlow 14325 4x9 Inch Oval Center/Offset Stainless Muffler

MagnaFlow 10435 4x4 Inch Round Center/Center Stainless Muffler

MagnaFlow 10445 4x4 Inch Round Center/Center Stainless Muffler

MagnaFlow 11114 3.5x7 Inch Oval Center/Center Stainless Muffler

MagnaFlow 11148 3.5x7 Inch Oval Center/Dual Stainless Muffler

Hedman Hedders 29000 1-1/2 Inch 90 Degree, 2 Inch Exhaust Pipe

Hedman Hedders 29040 3 Inch 180 Degree 4-1/2 Inch Exhaust Pipe

Hedman Hedders 29020 2 Inch 120 Degree 3 Inch Exhaust Pipe