1981 GMC G2500 Headers and Exhaust Parts

1,851 products fit your

1981 GMC G2500

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1981 GMC G2500

Products

-11%

Flowmaster |

#378943050

Flowmaster 943050 50 Series Delta Flow Muffler, 3.00 In/Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$173.95

/each

$195.95

Quick Time Performance |

#91610217

QTP QTEC225 QTEC Electric Cutout, Each

Exhaust Tubing Diameter:

2-1/4 Inch

Finish:

Raw

Inlet Diameter (Fraction):

2-1/4"

$217.99

/each

-9%

JBA 12-08204 Rolled SS Chrome Plated Exhaust Tip

JBA Headers |

#4471208204

JBA 12-08204 Rolled SS Chrome Plated Exhaust Tip

Exhaust Tubing Diameter:

3 Inch

Finish:

Chrome

$52.68

/each

$57.95

-34%

MagnaFlow |

#37610744

MagnaFlow 10744 2.5 In. Performance Exhaust Stainless Ball Flange

(1)

Exhaust Tubing Diameter:

2-1/2 Inch

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$171.00

/each

$259.92

Stainless Oval Exhaust Pipe, Hardway Mandrel Bend

Speedway Motors |

#91013960

Stainless Oval Exhaust Pipe, Hardway Mandrel Bend

Exhaust Pipe Type:

Custom Tubing

Color:

Natural

Sold in Quantity:

Each

$49.99

/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.

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.

Rebuilding Junkyard SBC Vortec Cylinder Heads

Learn how to re-build a junkyard Small Block Chevy. A step-by-step guide on how to select a SBC, machine the valve guide bosses down, and what parts to use to upgrade to your personal liking.

Hedman Hedders |

#41821153

Hedman Hedders 21153 2-1/2 Inch Header Collector Conversion Kit

Sold in Quantity:

Kit

Flange Style:

3-Bolt Ball and Socket

$37.99

/kit

Hedman Hedders |

#41829036

Hedman Hedders 29036 3 Inch 90 Degree 4-1/2 Inch Exhaust Pipe

Exhaust Tubing Diameter:

3 Inch

Exhaust Pipe Type:

Custom Tubing

$30.99

/each

Netami 304 Stainless Steel Quad Exhaust Tips, Pair

NETAMI Exhaust |

#21601640

Netami 304 Stainless Steel Quad Exhaust Tips, Pair

Exhaust Tubing Diameter:

4 Inch

Material Type:

304 Stainless Steel

Sold in Quantity:

Each

as low as

$209.99

/each

Flowtech 11000FLT Universal Block Hugger Header, 1.625 Inch Tube Size

Flowtech Exhaust |

#42511000FLT

Flowtech 11000FLT Universal Block Hugger Header, 1.625 Inch Tube Size

Header Tube Type:

Block Hugger

Exhaust Port Shape:

Round

Flange Style:

Standard

$194.95

/each

-5%

Hooker Headers |

#42518510

Hooker Headers Blackheart LS Turbo Manifold Kits

Header Tube Type:

Turbo

Material Type:

Stainless Steel

Hardware Included:

Yes

$849.95

/pair

$899.95

Stainless Steel 48 Inch Oval Exhaust Tubing, Straight

Speedway Motors |

#91013962

Stainless Steel 48 Inch Oval Exhaust Tubing, Straight

Exhaust Pipe Type:

Custom Tubing

Color:

Natural

Sold in Quantity:

Each

$59.99

/each

Flowtech 50552FLT Warlock BYPASS Series Racing Muffler, 2-1/2 Inch

Flowtech Exhaust |

#42550552FLT

Flowtech 50552FLT Warlock BYPASS Series Racing Muffler, 2-1/2 Inch

Muffler Type:

Turbo-style/Straight-through

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$94.95

/each

Hooker BlackHeart BHC304 Exhaust Tips, 2.5 Inch Rectangular Oval

Hooker Headers |

#425BHC304

Hooker BlackHeart BHC304 Exhaust Tips, 2.5 Inch Rectangular Oval

Exhaust Tubing Diameter:

2-1/2 Inch

Finish:

Polished

$84.95

/set

-25%

Vibrant |

#32113576

Vibrant 13576 304 Stainless Steel Oval Pie Cuts, 3 Inch, 5 Pcs

Exhaust Tubing Diameter:

3 Inch

Exhaust Pipe Type:

Custom Tubing

$43.99

/set

$58.99

Netami 2540 304 Stainless Steel Dual Wall Exhaust Tip

NETAMI Exhaust |

#21602540

Netami 2540 304 Stainless Steel Dual Wall Exhaust Tip

Exhaust Tubing Diameter:

4 Inch

Material Type:

304 Stainless Steel

Sold in Quantity:

Each

$49.99

/each

-11%

Flowmaster |

#378943040

Flowmaster 943040 40 Series Delta Flow Muffler, 3.00 In/Out

Muffler Type:

Chambered

Inlet Diameter:

Outlet Diameter:

$149.95

/each

$168.95

-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

FAST Fuel Air Spark Technology |

#28230169

FAST 30169 02/Oxygen 18MM x 1.50 Sensor Plug Fitting, Each

GTIN Code:

036584133704

$19.95

/each

-7%

Hooker 2301HKR Block Hugger Headers for ZZ4 Crate Motor, Ceramic Coat

Hooker Headers |

#9302300H

Hooker 2301HKR Block Hugger Headers for ZZ4 Crate Motor, Ceramic Coat

Header Tube Type:

Block Hugger

Exhaust Port Shape:

D-port

Flange Style:

Standard

$727.95

/pair

$787.95

Hooker BHS517 Blackheart LT Swap Exhaust Manifolds Silver Ceramic

Hooker Headers |

#425BHS517

Hooker BHS517 Blackheart LT Swap Exhaust Manifolds Silver Ceramic

(1)

Finish:

Ceramic Coated

Collector Diameter:

2-1/2 Inch

$354.95

/set

-33%

MagnaFlow |

#37618146

MagnaFlow 18146 4 Inch x 26 Inch Glasspack Performance Muffler

Muffler Type:

Glass Pack

Inlet Diameter:

2.5"

Outlet Diameter:

2.5"

$65.00

/each

$98.10

-9%

Patriot Exhaust |

#447H7230

Patriot Exhaust H7230 Stainless Steel Collector Flange Kit, 2-1/2 Inch

(1)

Finish:

Natural

Sold in Quantity:

Pair

$115.30

/pair

$126.83

DEi Titanium Exhaust Wrap and Locking Tie Kit, 1 x 50

DEI |

#91605040

DEi Titanium Exhaust Wrap and Locking Tie Kit, 1 x 50

(2)

Overall Width:

Material Type:

Lava Rock

Sold in Quantity:

Kit

$56.99

/kit

-25%

Vibrant 304 Stainless Steel 180 Degree Mandrel Bend, 1.75" O.D.

Vibrant |

#32118300

Vibrant 304 Stainless Steel 180 Degree Mandrel Bend, 1.75" O.D.

Exhaust Tubing Diameter:

1-3/4 Inch

Material Type:

Stainless Steel

Sold in Quantity:

Each

$45.50

/each

$60.99

Hooker Headers |

#91602114

Hooker Headers LS Turbo Exhaust System Kit, TH350/400

(3)

Exhaust System Type:

Turbo-Back

Single or Dual:

Dual

Exhaust System Kit Type:

Direct Fit

$1,199.90

/kit

-15%

ARP 100-1411 Header Stud Kit, 3/8-16 Threads, 1-1/2 Inch, Set/16

ARP |

#1011001411

ARP 100-1411 Header Stud Kit, 3/8-16 Threads, 1-1/2 Inch, Set/16

Material Type:

Steel

Garage Sale Type:

Discontinued

$107.94

/each

$126.99

-14%

Innovate Motorsports |

#93537370

Innovate Motorsports 37370 Bosch LSU 4.2 5-Wire, O2 Sensor

GTIN Code:

856428037377

Sold in Quantity:

Each

$105.99

/each

$124.31

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

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.0/2.5-in

Speedway Motors |

#9302510

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.0/2.5-in

(1)

Gasket(s) Included:

Yes

Sold in Quantity:

Pair

Flange Style:

3-Bolt

$94.99

/pair

-9%

Patriot Exhaust |

#447H7254

Patriot Exhaust H7254 3-bolt Collector Flange Kits, 2-1/2 Inch

(1)

Material Type:

Steel

Sold in Quantity:

Pair

$49.37

/pair

$54.31

-9%

Patriot Exhaust |

#447H3014

Patriot Exhaust H3014 Muffler Smithy, 26 Inch, 2-1/4 Inch Inlet/Outlet

Muffler Type:

Glass Pack

Inlet Diameter:

2.25"

Outlet Diameter:

2.25"

$102.67

/each

$112.94

-9%

Patriot Exhaust |

#447H3843

Patriot Exhaust H3843 Side Tubes Auger Muffler Insert, 3-1/2 Inch

(2)

GTIN Code:

694342501419

$29.08

/each

$31.99

-9%

Patriot Exhaust |

#447H7261

Patriot Exhaust H7261 3-bolt Collector Flange Kits, 3-1/2 Inch

Material Type:

Steel

Sold in Quantity:

Pair

$43.88

/pair

$48.27

-9%

Patriot Exhaust |

#447H7690

Patriot Exhaust H7690 4-1 Formed Collector 4 Inch

Material Type:

Steel

Sold in Quantity:

Pair

$115.30

/pair

$126.83

-9%

Patriot Exhaust |

#447H7704

Patriot Exhaust H7704 Tubing, Stainless Steel, 1-3/4 Inch, 18 Gauge

Exhaust Tubing Diameter:

1-3/4 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

1.75"

$148.21

/each

$163.03

-9%

Patriot Exhaust |

#447H6912

Patriot Exhaust H6912 304 SS Exhaust Pipe J-Bends, 1-7/8 Inch

Exhaust Tubing Diameter:

1-7/8 Inch

Exhaust Pipe Type:

Custom Tubing

Outside Diameter:

1.88"

$42.23

/each

$46.45

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1981 GMC G2500 Headers and Exhaust Parts

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Products

Flowmaster 943050 50 Series Delta Flow Muffler, 3.00 In/Out

QTP QTEC225 QTEC Electric Cutout, Each

JBA 12-08204 Rolled SS Chrome Plated Exhaust Tip

MagnaFlow 10744 2.5 In. Performance Exhaust Stainless Ball Flange

Stainless Oval Exhaust Pipe, Hardway Mandrel Bend

Related Articles

Hedman Hedders 21153 2-1/2 Inch Header Collector Conversion Kit

Hedman Hedders 29036 3 Inch 90 Degree 4-1/2 Inch Exhaust Pipe

Netami 304 Stainless Steel Quad Exhaust Tips, Pair

Flowtech 11000FLT Universal Block Hugger Header, 1.625 Inch Tube Size

Hooker Headers Blackheart LS Turbo Manifold Kits

Stainless Steel 48 Inch Oval Exhaust Tubing, Straight

Flowtech 50552FLT Warlock BYPASS Series Racing Muffler, 2-1/2 Inch

Hooker BlackHeart BHC304 Exhaust Tips, 2.5 Inch Rectangular Oval

Vibrant 13576 304 Stainless Steel Oval Pie Cuts, 3 Inch, 5 Pcs

Netami 2540 304 Stainless Steel Dual Wall Exhaust Tip

Flowmaster 943040 40 Series Delta Flow Muffler, 3.00 In/Out

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

FAST 30169 02/Oxygen 18MM x 1.50 Sensor Plug Fitting, Each

Hooker 2301HKR Block Hugger Headers for ZZ4 Crate Motor, Ceramic Coat

Hooker BHS517 Blackheart LT Swap Exhaust Manifolds Silver Ceramic

MagnaFlow 18146 4 Inch x 26 Inch Glasspack Performance Muffler

Patriot Exhaust H7230 Stainless Steel Collector Flange Kit, 2-1/2 Inch

DEi Titanium Exhaust Wrap and Locking Tie Kit, 1 x 50

Vibrant 304 Stainless Steel 180 Degree Mandrel Bend, 1.75" O.D.

Hooker Headers LS Turbo Exhaust System Kit, TH350/400

ARP 100-1411 Header Stud Kit, 3/8-16 Threads, 1-1/2 Inch, Set/16

Innovate Motorsports 37370 Bosch LSU 4.2 5-Wire, O2 Sensor

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

3-Bolt Exhaust Flange to V-Band Flange w/ O2 Bung, 3.0/2.5-in

Patriot Exhaust H7254 3-bolt Collector Flange Kits, 2-1/2 Inch

Patriot Exhaust H3014 Muffler Smithy, 26 Inch, 2-1/4 Inch Inlet/Outlet

Patriot Exhaust H3843 Side Tubes Auger Muffler Insert, 3-1/2 Inch

Patriot Exhaust H7261 3-bolt Collector Flange Kits, 3-1/2 Inch

Patriot Exhaust H7690 4-1 Formed Collector 4 Inch

Patriot Exhaust H7704 Tubing, Stainless Steel, 1-3/4 Inch, 18 Gauge

Patriot Exhaust H6912 304 SS Exhaust Pipe J-Bends, 1-7/8 Inch