1981 GMC C1500 Headers and Exhaust Parts

1,845 products fit your

1981 GMC C1500

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1981 GMC C1500

Products

-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

-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

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.

Installing 3" Ram Horn Manifolds on a C/10

See how to install 3" Ram Horn exhaust manifolds on a C/10 with a 406 engine. Learn some tips on welding steel tubing to a cast iron manifold and how they are modified to fit the truck.

-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

-16%

Speedhut |

#1400221012R

Speedhut R2-BV2-REV 2-1/16" Boost/Vac Gauge 30inhg-0-15 psi

Body Diameter:

2.05"

Depth:

1.3"

Gauge Series:

Analog

$195.97

/each

$235.17

-16%

Speedhut |

#1400221013R

Speedhut R2-BV3-REV 2-1/16" Boost/Vac Gauge 30inhg-0-20 psi

Body Diameter:

2.05"

Depth:

1.3"

Gauge Series:

Analog

$195.97

/each

$235.17

-16%

Speedhut |

#1400221014R

Speedhut R2-BV4-REV 2-1/16" Boost/Vac Gauge 30inhg-0-30 psi

Body Diameter:

2.05"

Depth:

1.3"

Gauge Series:

Analog

$195.97

/each

$235.17

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

New Vintage USA |

#276218703

New Vintage USA 02187-03 Performance II Boost 60 PSI White

Gauge Series:

Analog

Gauge Face Color:

White

Bezel Finish:

Stainless

$196.90

/each

New Vintage USA |

#276218903

New Vintage USA 02189-03 Performance II EGT White

Gauge Face Color:

White

Bezel Finish:

Stainless

Gauge Series:

Analog

$196.90

/each

-9%

Patriot Exhaust |

#91013104

Patriot Exhaust H3801 Glasspack Header Muffler, 3 In/2 Out, EA

(1)

Inlet Diameter:

Outlet Diameter:

$94.39

/each

$103.83

-6%

Flowmaster |

#378815932

Flowmaster 815932 Scavenger X-Pipe, 2.50 in

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Raw

$449.95

/kit

$481.95

-7%

Flowmaster |

#378815933

Flowmaster 815933 Scavenger Series Universal X-Pipe Kit, 3 Inch

Exhaust Tubing Diameter:

3 Inch

Finish:

Raw

$478.95

/kit

$518.95

-11%

Flowmaster |

#378942448

Flowmaster Mufflers 942448 Super 44 2.25 In. Muffler, Offset In/Outlet

(1)

Muffler Type:

Chambered

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$137.95

/each

$155.95

-11%

Flowmaster |

#378942450

Flowmaster 942450 50 Series Delta Flow Muffler, 2.25 In/Out

Muffler Type:

Chambered

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$185.95

/each

$209.95

-11%

Flowmaster |

#378942540

Flowmaster 942540 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

-9%

Flowmaster |

#37843043

Flowmaster Mufflers 43043 40 Series Muffler, Offset Inlet/Outlet, 3 In

(1)

Muffler Type:

Reflection

Inlet Diameter:

Outlet Diameter:

$101.95

/each

$112.95

-9%

Patriot Exhaust |

#447H7051

Patriot Exhaust H7051 16 Gauge Exhaust Pipe, 2-1/4 Inch

Exhaust Tubing Diameter:

2-1/4 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

2.25"

$60.39

/each

$66.43

-9%

Flowmaster |

#378425404

Flowmaster 425404 40 Series Muffler, 2.50 IN(D)/OUT(D)

Muffler Type:

Chambered

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$101.95

/each

$112.95

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1981 GMC C1500 Headers and Exhaust Parts

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Products

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

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

Related Articles

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

Speedhut R2-BV2-REV 2-1/16" Boost/Vac Gauge 30inhg-0-15 psi

Speedhut R2-BV3-REV 2-1/16" Boost/Vac Gauge 30inhg-0-20 psi

Speedhut R2-BV4-REV 2-1/16" Boost/Vac Gauge 30inhg-0-30 psi

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

New Vintage USA 02187-03 Performance II Boost 60 PSI White

New Vintage USA 02189-03 Performance II EGT White

Patriot Exhaust H3801 Glasspack Header Muffler, 3 In/2 Out, EA

Flowmaster 815932 Scavenger X-Pipe, 2.50 in

Flowmaster 815933 Scavenger Series Universal X-Pipe Kit, 3 Inch

Flowmaster Mufflers 942448 Super 44 2.25 In. Muffler, Offset In/Outlet

Flowmaster 942450 50 Series Delta Flow Muffler, 2.25 In/Out

Flowmaster 942540 40 Series Delta Flow Muffler, 2.50 In/Out

Flowmaster Mufflers 43043 40 Series Muffler, Offset Inlet/Outlet, 3 In

Patriot Exhaust H7051 16 Gauge Exhaust Pipe, 2-1/4 Inch

Flowmaster 425404 40 Series Muffler, 2.50 IN(D)/OUT(D)