1978 GMC C15 Headers and Exhaust Parts

1,909 products fit your

1978 GMC C15

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1978 GMC C15

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-9%

Doug's Headers |

#447DEC225A1

Doug's Headers DEC225A-1 Electric Cut-Out, 2-1/4 Inch, Single

Exhaust Tubing Diameter:

2-1/4 Inch

Finish:

Ceramic Coated

$314.02

/each

$345.42

-9%

Doug's Headers |

#447DEC225AK

Doug's Headers DEC225AK Electric Cut-Out, 2-1/4 Inch, Pair

Exhaust Tubing Diameter:

2-1/4 Inch

Finish:

Ceramic Coated

$693.97

/kit

$763.37

-9%

Doug's Headers |

#447DEC250A1

Doug's Headers DEC250A-1 Electric Cut-Out, 2-1/2 Inch, Single

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Ceramic Coated

$314.02

/each

$345.42

-9%

Doug's Headers |

#447DEC300A1

Doug's Headers DEC300A-1 Electric Cut-Out, 3 Inch, Single

GTIN Code:

694342534240

Exhaust Tubing Diameter:

3 Inch

$323.90

/each

$356.29

Doug's DEC6230 Electric Cut-Out Replacement Dual Wiring Harness

Doug's Headers |

#447DEC6230

Doug's DEC6230 Electric Cut-Out Replacement Dual Wiring Harness

Sold in Quantity:

Each

$57.60

/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.

-9%

Patriot Exhaust |

#447H7063

Patriot Exhaust H7063 16 Gauge Exhaust Pipe 90 Degree Bends, 3-1/2 In

Exhaust Tubing Diameter:

3-1/2 Inch

Exhaust Pipe Type:

Elbow/Connector

Outside Diameter:

3.50"

$98.79

/each

$108.67

-9%

Patriot Exhaust |

#447H1531

Patriot Exhaust H1531 Exhaust Tip Bellflower Chrome

(1)

Exhaust Tubing Diameter:

1-7/8 Inch

Finish:

Chrome

$74.11

/each

$81.52

-9%

Patriot Exhaust |

#447H1571

Patriot Exhaust H1571 Exhaust Tip Driveshaft Chrome

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Chrome

$41.71

/each

$45.88

-9%

Patriot Exhaust |

#447H7980

Patriot Exhaust H7980 Zinc Plated Header Bolts, 10mm x 1.5 x 22mm, 16

Material Type:

Steel

Sold in Quantity:

Set

$13.14

/set

$14.45

-9%

Patriot Exhaust |

#447H7002

Patriot Exhaust H7002 J Bend Exhaust Tubing, 18 Gauge, 1-5/8 Inch

Exhaust Tubing Diameter:

1-5/8 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

1.625"

$43.88

/each

$48.27

-9%

Patriot Exhaust |

#447H7008

Patriot Exhaust H7008 16 Gauge Exhaust Pipe, 1-1/2 Inch

Exhaust Tubing Diameter:

1-1/2 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

1.50"

$49.37

/each

$54.31

-9%

Patriot Exhaust |

#9308065

Patriot Exhaust Tight Tuck S/B Chevy Block Hugger Headers

(6)

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Oval

Flange Style:

Standard

as low as

$527.07

/pair

$579.78

-7%

Flowmaster |

#37815926

Flowmaster 15926 S-Bend Assortment, 2.5in set of 6

Exhaust Tubing Diameter:

2-1/2 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

2.50"

$259.95

/kit

$281.95

-6%

Flowmaster |

#37815935

Flowmaster 15935 U-Fit Dual Exhaust Kit, Universal, 2-1/4 Inch

Exhaust System Type:

Header-Back

Single or Dual:

Dual

Exhaust Tubing Diameter:

2-1/4 Inch

$699.95

/each

$749.95

-16%

Speedhut |

#140022518L

Speedhut L25-B8-LEG 2-5/8" Boost Gauge 0-4.0 bar

Body Diameter:

2.62"

Depth:

1.3"

Gauge Series:

Analog

$195.97

/each

$235.17

-8%

Flowmaster |

#37815316

Flowmaster 15316 Exhaust Tip, 2.5 in. Inlet I.D., 8.5 in. Length

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Brushed

$181.95

/each

$197.95

-7%

Flowmaster |

#37815361

Flowmaster 15361 Exhaust Tip, 2.5 in. Inlet, 12 in. Long

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$92.19

/each

$99.95

-7%

Flowmaster |

#37815365

Flowmaster 15365 Exhaust Tip, 2.5 in. Inlet, 7.5 in. Long

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$103.95

/each

$112.95

-8%

Flowmaster |

#37815369

Flowmaster 15369 Exhaust Tip, 2.5 in. Inlet

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$108.95

/each

$118.95

-8%

Flowmaster |

#37815377

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

Exhaust Tubing Diameter:

3 Inch

Finish:

Polished

$84.45

/each

$91.95

-8%

Flowmaster |

#37815389

Flowmaster 15389 Exhaust Tip, 2.50 in. Inlet, 10 in. Long

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$169.95

/each

$184.95

-7%

Flowmaster |

#37815393

Flowmaster 15393 Exhaust Tip, 3 in. Inlet I.D., 7 in. Length

Exhaust Tubing Diameter:

3 Inch

Finish:

Polished

$207.95

/each

$224.95

-8%

Flowmaster |

#37815397

Flowmaster 15397 Exhaust Tip, 2.5 in. Inlet I.D., 13 in. Length

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$111.95

/each

$121.95

-7%

Flowmaster |

#37815400

Flowmaster 15400 4 In. Exhaust Tip, Carbon Fiber, Fits 2.5 In.

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Carbon Fiber

$184.95

/each

$200.95

-9%

Patriot Exhaust |

#447H7032

Patriot Exhaust H7032 J-Bend Exhaust Tubing, 16 gauge, 1-7/8 Inch

Exhaust Tubing Diameter:

1-7/8 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

1.88"

$49.37

/each

$54.31

-9%

Patriot Exhaust |

#447H7042

Patriot Exhaust H7042 16 Gauge Exhaust Pipe, 2 Inch

Exhaust Tubing Diameter:

2 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

2.00"

$54.86

/each

$60.35

-9%

Patriot Exhaust |

#447H7044

Patriot Exhaust H7044 16 Gauge Exhaust Pipe, 2-1/8 Inch

(2)

Exhaust Tubing Diameter:

2-1/8 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

2.13"

$49.37

/each

$54.31

-9%

Patriot Exhaust |

#447PEC300K

Patriot Exhaust PEC300K Electronic Dual Cutouts, 3 Inch

(2)

Exhaust Tubing Diameter:

3 Inch

Finish:

Raw

Inlet Diameter (Fraction):

$549.02

/kit

$603.92

-9%

Patriot Exhaust |

#447PEC300K1

Patriot Exhaust PEC200K1 Electronic Single Cutout, 3 Inch

(2)

Exhaust Tubing Diameter:

3 Inch

Finish:

Raw

Inlet Diameter (Fraction):

$294.82

/kit

$324.30

-9%

Patriot Exhaust |

#447H7938

Patriot Exhaust H7951 3-Bolt Collector Gaskets, 2 1/2 Inch

(1)

Inside Diameter:

2.5"

Collector Diameter:

2-1/2 Inch

Flange Style:

3-Bolt

$8.75

/pair

$9.63

-9%

Patriot Exhaust |

#447H7952

Patriot Exhaust H7952 2-Bolt Collector Gaskets, 2-1/2 Inch

(1)

Inside Diameter:

2.5"

Collector Diameter:

2-1/2 Inch

Flange Style:

2-Bolt

$12.06

/pair

$13.27

-9%

Patriot Exhaust |

#447H7018

Patriot Exhaust H7018 18 Gauge Exhaust Pipe, 1-5/8 Inch

Exhaust Tubing Diameter:

1-5/8 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

1.625"

$32.91

/each

$36.20

-9%

Patriot Exhaust |

#447H7024

Patriot Exhaust H7024 18 Gauge Exhaust Pipe, 1-3/4 Inch

Exhaust Tubing Diameter:

1-3/4 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

1.75"

$32.91

/each

$36.20

-9%

Patriot Exhaust |

#447H7029

Patriot Exhaust H7029 18 Gauge Exhaust Pipe, 1-7/8 Inch

Exhaust Tubing Diameter:

1-7/8 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

1.88"

$38.40

/each

$42.24

New Vintage USA |

#2767919479

New Vintage USA 79194-79 M-102 Series Vacuum/Boost Gauge, Black

Gauge Type:

Boost/Vacuum

Gauge Series:

Analog

Gauge Style:

Electric

$230.99

/each

-16%

Speedhut |

#1400221011R

Speedhut R2-BV1-REV 2-1/16" Boost/Vac Gauge 30inhg-0-10 psi

Body Diameter:

2.05"

Depth:

1.3"

Gauge Series:

Analog

$195.97

/each

$235.17

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1978 GMC C15 Headers and Exhaust Parts

Subcategory

Part

Brand

Transmission Family

Availability

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Discounts

Price

Customer Rating

Products

Doug's Headers DEC225A-1 Electric Cut-Out, 2-1/4 Inch, Single

Doug's Headers DEC225AK Electric Cut-Out, 2-1/4 Inch, Pair

Doug's Headers DEC250A-1 Electric Cut-Out, 2-1/2 Inch, Single

Doug's Headers DEC300A-1 Electric Cut-Out, 3 Inch, Single

Doug's DEC6230 Electric Cut-Out Replacement Dual Wiring Harness

Related Articles

Patriot Exhaust H7063 16 Gauge Exhaust Pipe 90 Degree Bends, 3-1/2 In

Patriot Exhaust H1531 Exhaust Tip Bellflower Chrome

Patriot Exhaust H1571 Exhaust Tip Driveshaft Chrome

Patriot Exhaust H7980 Zinc Plated Header Bolts, 10mm x 1.5 x 22mm, 16

Patriot Exhaust H7002 J Bend Exhaust Tubing, 18 Gauge, 1-5/8 Inch

Patriot Exhaust H7008 16 Gauge Exhaust Pipe, 1-1/2 Inch

Patriot Exhaust Tight Tuck S/B Chevy Block Hugger Headers

Flowmaster 15926 S-Bend Assortment, 2.5in set of 6

Flowmaster 15935 U-Fit Dual Exhaust Kit, Universal, 2-1/4 Inch

Speedhut L25-B8-LEG 2-5/8" Boost Gauge 0-4.0 bar

Flowmaster 15316 Exhaust Tip, 2.5 in. Inlet I.D., 8.5 in. Length

Flowmaster 15361 Exhaust Tip, 2.5 in. Inlet, 12 in. Long

Flowmaster 15365 Exhaust Tip, 2.5 in. Inlet, 7.5 in. Long

Flowmaster 15369 Exhaust Tip, 2.5 in. Inlet

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

Flowmaster 15389 Exhaust Tip, 2.50 in. Inlet, 10 in. Long

Flowmaster 15393 Exhaust Tip, 3 in. Inlet I.D., 7 in. Length

Flowmaster 15397 Exhaust Tip, 2.5 in. Inlet I.D., 13 in. Length

Flowmaster 15400 4 In. Exhaust Tip, Carbon Fiber, Fits 2.5 In.

Patriot Exhaust H7032 J-Bend Exhaust Tubing, 16 gauge, 1-7/8 Inch

Patriot Exhaust H7042 16 Gauge Exhaust Pipe, 2 Inch

Patriot Exhaust H7044 16 Gauge Exhaust Pipe, 2-1/8 Inch

Patriot Exhaust PEC300K Electronic Dual Cutouts, 3 Inch

Patriot Exhaust PEC200K1 Electronic Single Cutout, 3 Inch

Patriot Exhaust H7951 3-Bolt Collector Gaskets, 2 1/2 Inch

Patriot Exhaust H7952 2-Bolt Collector Gaskets, 2-1/2 Inch

Patriot Exhaust H7018 18 Gauge Exhaust Pipe, 1-5/8 Inch

Patriot Exhaust H7024 18 Gauge Exhaust Pipe, 1-3/4 Inch

Patriot Exhaust H7029 18 Gauge Exhaust Pipe, 1-7/8 Inch

New Vintage USA 79194-79 M-102 Series Vacuum/Boost Gauge, Black

Speedhut R2-BV1-REV 2-1/16" Boost/Vac Gauge 30inhg-0-10 psi