1978 GMC C15 Headers and Exhaust Parts

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1978 GMC C15

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1978 GMC C15

Products

-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

-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

New Product

MagnaFlow |

#37613125

MagnaFlow 13125 Redpack 3.5" x 18" Round Glasspack Perf. Muffler

Muffler Type:

Glass Pack

Material Type:

Steel

$48.00

/each

New Product

MagnaFlow |

#37613129

MagnaFlow 13129 Redpack 4" x 18" Round Glasspack Perf. Muffler

Muffler Type:

Glass Pack

Material Type:

Steel

$68.00

/each

-34%

MagnaFlow |

#37613236

MagnaFlow 13236 4x9 Inch Oval Offset/Offset Chambered Muffler

Muffler Type:

Multi-Chamber

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$150.00

/each

$227.30

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 |

#37613239

MagnaFlow 13239 4x9 Inch Oval Offset/Offset Chambered Muffler

Muffler Type:

Multi-Chamber

Inlet Diameter:

Outlet Diameter:

$153.00

/each

$232.60

-34%

MagnaFlow |

#37613265

MagnaFlow 13265 4x9 Inch Oval Offset/Offset Chambered Muffler

Muffler Type:

Multi-Chamber

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$159.00

/each

$241.35

DEI 10529 Muffler Shield Kit, 42 X 24 Inch

DEI |

#35610455

DEI 10529 Muffler Shield Kit, 42 X 24 Inch

(14)

Overall Width:

24.00"

Sold in Quantity:

Each

$58.99

/each

DEi 010452 Titanium Exhaust Pipe Heat Shield, 6 Inch x 3 Ft.

DEI |

#35610452

DEi 010452 Titanium Exhaust Pipe Heat Shield, 6 Inch x 3 Ft.

GTIN Code:

607078104526

$81.99

/each

-34%

MagnaFlow |

#37610169

MagnaFlow 10169 3 Inch Performance Exhaust Stainless V-Band Clamp

Exhaust Clamp Type:

V-Band

Inside Diameter:

$101.00

/each

$153.36

-10%

Powerbuilt |

#372940538

Powerbuilt 940538 Exhaust Pipe Cutting Tool, 3-1/2 - 6 Inch

GTIN Code:

028907317151

Sold in Quantity:

Each

$85.99

/each

$95.99

-33%

MagnaFlow |

#37610168

MagnaFlow 10168 2.5 In Performance Exhaust Stainless V-Band Clamp

Exhaust Clamp Type:

V-Band

Inside Diameter:

2.5"

$98.00

/each

$148.32

Vacuum/Pressure Controlled Electronic Exhaust Cutout

Granatelli Motor Sports |

#36210963

Vacuum/Pressure Controlled Electronic Exhaust Cutout

Material Type:

Stainless Steel

Finish:

Raw

Sold in Quantity:

Kit

as low as

$147.52

/each

Granatelli Motor Sports |

#36212530

Granatelli Motor Sports 302530K Bolt In Exhaust Cutout Kit, 3 In

(1)

Exhaust Tubing Diameter:

3 Inch

Finish:

Raw

Inlet Diameter (Fraction):

$509.19

/each

-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 |

#37610160

MagnaFlow 10160 2 Inch Performance Exhaust Stainless Band Clamp

Exhaust Clamp Type:

Band

Inside Diameter:

$91.00

/set

$137.69

-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 |

#37611249

MagnaFlow 11249 4x9 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$162.00

/each

$245.87

-34%

MagnaFlow |

#37611254

MagnaFlow 11254 4x9 Inch Oval Center/Offset Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$139.00

/each

$210.85

$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

-33%

MagnaFlow |

#37635179

MagnaFlow 35179 Stainless 2.5 Inch Turndown Polished Exhaust Tip

Exhaust Tubing Diameter:

2-3/4 Inch

Finish:

Polished

$76.00

/each

$114.49

$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

-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

-33%

MagnaFlow |

#37611216

MagnaFlow 11216 4x9 Inch Oval Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$130.00

/each

$196.64

-34%

MagnaFlow |

#37635214

MagnaFlow 35214 Stainless 5 Inch Round Polished Exhaust Tip

Exhaust Tubing Diameter:

4 Inch

Finish:

Polished

$167.00

/each

$253.65

-34%

MagnaFlow |

#37635215

MagnaFlow 35215 Stainless 6 Inch Round Polished Exhaust Tip

Exhaust Tubing Diameter:

5 Inch

Finish:

Polished

$152.00

/each

$230.77

$216 Off

MagnaFlow |

#37635221

MagnaFlow 35221 Stainless 2.375x7.75 Inch Polished Exhaust Tip

Exhaust Tubing Diameter:

2-3/4 Inch

Finish:

Polished

$413.00

/each

$628.79

$120 Off

MagnaFlow |

#37612763

MagnaFlow 12763 7x7 Inch Round Center/Dual Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

2.5"

$230.00

/each

$350.03

-34%

MagnaFlow |

#37612770

MagnaFlow 12770 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$173.00

/each

$262.23

-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

$105 Off

MagnaFlow |

#37612771

MagnaFlow 12771 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$203.00

/each

$308.14

$112 Off

MagnaFlow |

#37612773

MagnaFlow 12773 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$216.00

/each

$327.98

$140 Off

MagnaFlow |

#37612774

MagnaFlow 12774 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$270.00

/each

$410.25

$118 Off

MagnaFlow |

#37612776

MagnaFlow 12776 7x7 Inch Round Center/Center Stainless Muffler

Muffler Type:

Straight-Through

Inlet Diameter:

Outlet Diameter:

$226.00

/each

$343.76

-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

-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

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1978 GMC C15 Headers and Exhaust Parts

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Products

MagnaFlow 12578 5x11 Inch Oval Offset/Offset Stainless Muffler

MagnaFlow 12867 5x5 Inch Round Center/Center Stainless Muffler

MagnaFlow 13125 Redpack 3.5" x 18" Round Glasspack Perf. Muffler

MagnaFlow 13129 Redpack 4" x 18" Round Glasspack Perf. Muffler

MagnaFlow 13236 4x9 Inch Oval Offset/Offset Chambered Muffler

Related Articles

MagnaFlow 13239 4x9 Inch Oval Offset/Offset Chambered Muffler

MagnaFlow 13265 4x9 Inch Oval Offset/Offset Chambered Muffler

DEI 10529 Muffler Shield Kit, 42 X 24 Inch

DEi 010452 Titanium Exhaust Pipe Heat Shield, 6 Inch x 3 Ft.

MagnaFlow 10169 3 Inch Performance Exhaust Stainless V-Band Clamp

Powerbuilt 940538 Exhaust Pipe Cutting Tool, 3-1/2 - 6 Inch

MagnaFlow 10168 2.5 In Performance Exhaust Stainless V-Band Clamp

Vacuum/Pressure Controlled Electronic Exhaust Cutout

Granatelli Motor Sports 302530K Bolt In Exhaust Cutout Kit, 3 In

MagnaFlow 10153 1/2 Inch 90 Degree Performance Exhaust Hanger

MagnaFlow 10160 2 Inch Performance Exhaust Stainless Band Clamp

MagnaFlow 11245 4x9 Inch Oval Center/Center Stainless Muffler

MagnaFlow 11249 4x9 Inch Oval Center/Center Stainless Muffler

MagnaFlow 11254 4x9 Inch Oval Center/Offset Stainless Muffler

MagnaFlow 35229 Stainless 3 Inch Round Polished Exhaust Tip

MagnaFlow 35179 Stainless 2.5 Inch Turndown Polished Exhaust Tip

MagnaFlow 35188 Stainless 5 Inch Turndown Polished Exhaust Tip

MagnaFlow 35190 Stainless 3.5 Inch Round Polished Exhaust Tip

MagnaFlow 11216 4x9 Inch Oval Center/Center Stainless Muffler

MagnaFlow 35214 Stainless 5 Inch Round Polished Exhaust Tip

MagnaFlow 35215 Stainless 6 Inch Round Polished Exhaust Tip

MagnaFlow 35221 Stainless 2.375x7.75 Inch Polished Exhaust Tip

MagnaFlow 12763 7x7 Inch Round Center/Dual Stainless Muffler

MagnaFlow 12770 7x7 Inch Round Center/Center Stainless Muffler

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

MagnaFlow 12771 7x7 Inch Round Center/Center Stainless Muffler

MagnaFlow 12773 7x7 Inch Round Center/Center Stainless Muffler

MagnaFlow 12774 7x7 Inch Round Center/Center Stainless Muffler

MagnaFlow 12776 7x7 Inch Round Center/Center Stainless Muffler

MagnaFlow 12865 5x5 Inch Round Center/Center Stainless Muffler

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