1978 GMC C15 Headers and Exhaust Parts

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1978 GMC C15

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1978 GMC C15

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Stainless Steel Exhaust Pipe Mandrel U-Bends, 1-3/4 Inch O.D.

Speedway Motors |

#91013862

Stainless Steel Exhaust Pipe Mandrel U-Bends, 1-3/4 Inch O.D.

(6)

Exhaust Tubing Diameter:

1-3/4 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

1.75"

as low as

$51.99

/each

Stainless Steel Exhaust Pipe Mandrel U-Bends, 1-7/8 Inch O.D.

Speedway Motors |

#91013863

Stainless Steel Exhaust Pipe Mandrel U-Bends, 1-7/8 Inch O.D.

(5)

Exhaust Tubing Diameter:

1-7/8 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

1.88"

$46.99

/each

Stainless Steel Exhaust Pipe Mandrel U-Bends, 2 Inch O.D.

Speedway Motors |

#91013864

Stainless Steel Exhaust Pipe Mandrel U-Bends, 2 Inch O.D.

(5)

Exhaust Tubing Diameter:

2 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

2.00"

as low as

$47.99

/each

AFCO |

#106QM258

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

(2)

Overall Width:

$0.99

New Vintage USA |

#2760219401

New Vintage USA 02194-01 Performance ll 2 1/16" Vac Boost Black

Gauge Type:

Analog

Gauge Face Color:

Black

Bezel Finish:

Titanium

$230.99

/each

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.

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.

Exhaust Repair

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

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.

New Sheet Metal, Bodywork and Paint | 1968 C10 Build Episode 7

Now that our '68 C10 cab is straight and rust-free, it's time to bolt on the rest of the sheet metal, get it straight, and get it painted!

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.

-34%

MagnaFlow |

#37613278

MagnaFlow 13278 4x9 Inch Oval Center/Dual Chambered Muffler

Muffler Type:

Multi-Chamber

Inlet Diameter:

Outlet Diameter:

2.25"

$162.00

/each

$245.94

-34%

MagnaFlow |

#37610153

MagnaFlow 10153 1/2 Inch 90 Degree Performance Exhaust Hanger

Material Type:

Stainless Steel

Sold in Quantity:

Set

$188.00

/each

$285.78

-33%

MagnaFlow |

#37611375

MagnaFlow 11375 4x9 Inch Oval Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$130.00

/each

$196.64

-34%

MagnaFlow |

#37611245

MagnaFlow 11245 4x9 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$139.00

/each

$210.85

-34%

MagnaFlow |

#37611264

MagnaFlow 11264 4x9 Inch Oval Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$139.00

/each

$210.85

Tight-Tubes Clipster Header Extension Kit, Mild Steel

Speedway Motors |

#91013382

Tight-Tubes Clipster Header Extension Kit, Mild Steel

(6)

Exhaust Pipe Type:

Extension Tubing

Color:

Natural

Sold in Quantity:

Pair

$53.99

/pair

-7%

Holley |

#425572101

Holley 572-101 EFI 100 Foot Cable, 7 Conductor

GTIN Code:

090127036631

$265.95

/each

$287.95

$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

$102 Off

MagnaFlow |

#37612586

MagnaFlow 12586 5x11 Inch Oval Center/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$195.00

/each

$296.77

$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

-33%

MagnaFlow |

#37612616

MagnaFlow 12616 6x6 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$130.00

/each

$196.64

-34%

MagnaFlow |

#37610739

MagnaFlow 10739 3 Inch 45 Degree Bend Performance Exhaust Pipe

Exhaust Tubing Diameter:

3 Inch

Exhaust Pipe Type:

Elbow/Connector

Outside Diameter:

3.00"

$109.00

/each

$165.68

$439 Off

MagnaFlow |

#37610720

MagnaFlow 10720 2.5 Inch 90 Degree Bend Exhaust Pipe, 10 Pack

Exhaust Tubing Diameter:

2-1/2 Inch

Exhaust Pipe Type:

Elbow/Connector

Outside Diameter:

2.50"

$838.00

/each

$1,276.79

-34%

MagnaFlow |

#37610743

MagnaFlow 10743 2.25 Inch Performance Exhaust Ball Flange

Exhaust Tubing Diameter:

2-1/4 Inch

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$168.00

/each

$254.63

-34%

MagnaFlow |

#37610748

MagnaFlow 10748 2.5x2 Inch Performance Stainless Straight Y-Pipe

Exhaust Tubing Diameter:

2-1/2 Inch

Inlet Diameter:

2.5"

Outlet Diameter:

$86.00

/each

$130.68

$702 Off

MagnaFlow |

#37610760

MagnaFlow 10760 2.25 Inch 3 in 1 Performance Exhaust Pipe

Exhaust Tubing Diameter:

2-1/4 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

2.25"

$1,341.00

/each

$2,042.72

-34%

MagnaFlow |

#37610765

MagnaFlow 10765 Exhaust Tip Adapter, 3.5 In. Inlet, 4 In. Outlet

Exhaust Tubing Diameter:

3-1/2 Inch - 4 Inch

Inlet Diameter:

3.5"

Outlet Diameter:

$51.00

/each

$77.55

-34%

MagnaFlow |

#37611266

MagnaFlow 11266 4x9 Inch Oval Offset/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$146.00

/each

$221.39

-34%

MagnaFlow |

#37611378

MagnaFlow 11378 4 Inch x 9 Inch Oval Dual/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$170.00

/each

$259.05

-34%

MagnaFlow |

#37612128

MagnaFlow 12128 5x8 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$154.00

/each

$234.17

-34%

MagnaFlow |

#37612148

MagnaFlow 12148 5x8 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

$154.00

/each

$234.17

-34%

MagnaFlow |

#37635190

MagnaFlow 35190 Stainless 3.5 Inch Round Polished Exhaust Tip

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$164.00

/each

$249.25

$110 Off

MagnaFlow |

#37614822

MagnaFlow 14822 6x6 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

4.5"

$212.00

/each

$322.37

$110 Off

MagnaFlow |

#37635188

MagnaFlow 35188 Stainless 5 Inch Turndown Polished Exhaust Tip

Exhaust Tubing Diameter:

4 Inch

Finish:

Polished

$212.00

/each

$321.97

$143 Off

MagnaFlow |

#37614826

MagnaFlow 14826 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

$272.00

/each

$414.52

-34%

MagnaFlow |

#37635214

MagnaFlow 35214 Stainless 5 Inch Round Polished Exhaust Tip

Exhaust Tubing Diameter:

4 Inch

Finish:

Polished

$167.00

/each

$253.65

$112 Off

MagnaFlow |

#37614846

MagnaFlow 14846 6x6 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

$215.00

/each

$327.32

$177 Off

MagnaFlow |

#37614869

MagnaFLow 14869 5 Inch Round Performance Muffler With Tip

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

$339.00

/each

$515.56

$173 Off

MagnaFlow |

#37635229

MagnaFlow 35229 Stainless 3 Inch Round Polished Exhaust Tip

Exhaust Tubing Diameter:

2-1/4 Inch

Finish:

Polished

$332.00

/each

$504.65

-34%

MagnaFlow |

#37612251

MagnaFlow 12251 5x8 Inch Oval Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$164.00

/each

$249.63

-34%

MagnaFlow |

#37612214

MagnaFlow 12214 5x8 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$123.00

/each

$187.28

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1978 GMC C15 Headers and Exhaust Parts

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Products

Stainless Steel Exhaust Pipe Mandrel U-Bends, 1-3/4 Inch O.D.

Stainless Steel Exhaust Pipe Mandrel U-Bends, 1-7/8 Inch O.D.

Stainless Steel Exhaust Pipe Mandrel U-Bends, 2 Inch O.D.

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

New Vintage USA 02194-01 Performance ll 2 1/16" Vac Boost Black

Related Articles

MagnaFlow 13278 4x9 Inch Oval Center/Dual Chambered Muffler

MagnaFlow 10153 1/2 Inch 90 Degree Performance Exhaust Hanger

MagnaFlow 11375 4x9 Inch Oval Offset/Offset Stainless Muffler

MagnaFlow 11245 4x9 Inch Oval Center/Center Stainless Muffler

MagnaFlow 11264 4x9 Inch Oval Offset/Offset Stainless Muffler

Tight-Tubes Clipster Header Extension Kit, Mild Steel

Holley 572-101 EFI 100 Foot Cable, 7 Conductor

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

MagnaFlow 12586 5x11 Inch Oval Center/Offset Stainless Muffler

MagnaFlow 12595 5x11 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 12616 6x6 Inch Round Center/Center Stainless Muffler

MagnaFlow 10739 3 Inch 45 Degree Bend Performance Exhaust Pipe

MagnaFlow 10720 2.5 Inch 90 Degree Bend Exhaust Pipe, 10 Pack

MagnaFlow 10743 2.25 Inch Performance Exhaust Ball Flange

MagnaFlow 10748 2.5x2 Inch Performance Stainless Straight Y-Pipe

MagnaFlow 10760 2.25 Inch 3 in 1 Performance Exhaust Pipe

MagnaFlow 10765 Exhaust Tip Adapter, 3.5 In. Inlet, 4 In. Outlet

MagnaFlow 11266 4x9 Inch Oval Offset/Offset Stainless Muffler

MagnaFlow 11378 4 Inch x 9 Inch Oval Dual/Dual Stainless Muffler

MagnaFlow 12128 5x8 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 12148 5x8 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 35190 Stainless 3.5 Inch Round Polished Exhaust Tip

MagnaFlow 14822 6x6 Inch Round Center/Center Stainless Muffler

MagnaFlow 35188 Stainless 5 Inch Turndown Polished Exhaust Tip

MagnaFlow 14826 7x7 Inch Round Center/Center Stainless Muffler

MagnaFlow 35214 Stainless 5 Inch Round Polished Exhaust Tip

MagnaFlow 14846 6x6 Inch Round Center/Center Stainless Muffler

MagnaFLow 14869 5 Inch Round Performance Muffler With Tip

MagnaFlow 35229 Stainless 3 Inch Round Polished Exhaust Tip

MagnaFlow 12251 5x8 Inch Oval Center/Dual Stainless Muffler

MagnaFlow 12214 5x8 Inch Oval Center/Center Stainless Muffler