59+ 1981 GMC G3500 Mufflers & Resonators Parts - Page 2

Mufflers & Resonators (59 products)

Cometic Chevy Gen1 SB V8 .064in ArmorCore Exhaust Mani Gasket Set-1.810in Round Port

Cometic Gasket

Fits All Trims

Cometic Chevy Gen1 SB V8 .064in ArmorCore Exhaust Mani Gasket Set-1.810in Round Port

$45.34

Cometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Mani Gasket Set-1.550in x 1.450in Square Ports

Cometic Gasket

Fits All Trims

Cometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Mani Gasket Set-1.550in x 1.450in Square Ports

$30.90

Cometic Chevy Gen1 Small Block V8 .030in MLS Exhaust Mani Gskt Set-1.450in x 1.600in Rectangle Port

Cometic Gasket

Fits All Trims

Cometic Chevy Gen1 Small Block V8 .030in MLS Exhaust Mani Gskt Set-1.450in x 1.600in Rectangle Port

$52.20

Cometic GM Gen 1 Small Block 1.450 in x 1.480 in Port Exhaust Manifold Set

Cometic Gasket

Fits All Trims

Cometic GM Gen 1 Small Block 1.450 in x 1.480 in Port Exhaust Manifold Set

$51.05

Cometic Chevy Gen-I SB V8 .030in MLS Exhaust Mani Gasket Set-Brodix 13 Deg Head

Cometic Gasket

Fits All Trims

Cometic Chevy Gen-I SB V8 .030in MLS Exhaust Mani Gasket Set-Brodix 13 Deg Head

$47.90

Cometic Chevrolet Gen-1 Small Block V8 .030in MLS Exhaust Manifold Gasket Set - 1.625in Round Ports

Cometic Gasket

Fits All Trims

Cometic Chevrolet Gen-1 Small Block V8 .030in MLS Exhaust Manifold Gasket Set - 1.625in Round Ports

$52.20

Cometic Chevrolet Gen-1 Small Block V8 .030in MLS Exhaust Header Gasket Kit - All Pro Heads

Cometic Gasket

Fits All Trims

Cometic Chevrolet Gen-1 Small Block V8 .030in MLS Exhaust Header Gasket Kit - All Pro Heads

$83.03

Cometic Chevrolet Gen-1 Small Block V8 .060in HTS Exhaust Manifold Gasket Set - 1.625in Round Ports

Cometic Gasket

Fits All Trims

Cometic Chevrolet Gen-1 Small Block V8 .060in HTS Exhaust Manifold Gasket Set - 1.625in Round Ports

$37.77

Cometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Mani Gasket Set-1.480in x 1.450in Square Ports

Cometic Gasket

Fits All Trims

Cometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Mani Gasket Set-1.480in x 1.450in Square Ports

$34.87

Fel-Pro

Fits All Trims

Fel-Pro Chevrolet C10 60556 Exhaust Pipe Flange Gasket

$10.51

Cometic Chevy Gen1 Small Block V8 .060in Fiber Exhaust Mani Gskt Set-1.500in Round Port-23 Deg Head

Cometic Gasket

Fits All Trims

Cometic Chevy Gen1 Small Block V8 .060in Fiber Exhaust Mani Gskt Set-1.500in Round Port-23 Deg Head

$32.31

Cometic Chevrolet Gen-1 Small Block V8 .030in MLS Exhaust Header Gasket Set - All Pro Heads

Cometic Gasket

Fits All Trims

Cometic Chevrolet Gen-1 Small Block V8 .030in MLS Exhaust Header Gasket Set - All Pro Heads

$104.95

Magnaflow

Fits All Trims

MagnaFlow Conv DF GM 25inch x 7inch x 4inch 2.5/2.5inch

$219.00

Cometic Chevy Gen1 Small Block V8 .043in Copper Exhaust Mani Gskt Set-1.550in x 1.450in Square Ports

Cometic Gasket

Fits All Trims

Cometic Chevy Gen1 Small Block V8 .043in Copper Exhaust Mani Gskt Set-1.550in x 1.450in Square Ports

$53.34

Magnaflow

Fits All Trims

MagnaFlow Conv Univ 2.5 W/Air FED

$137.00

Cometic Chevy Gen-I Small Block V8 .043in Copper Exhaust Manifold Gasket Set - 1.500in Round Port

Cometic Gasket

Fits All Trims

Cometic Chevy Gen-I Small Block V8 .043in Copper Exhaust Manifold Gasket Set - 1.500in Round Port

$53.38

Fel-Pro

Fits All Trims

Fel-Pro Chevrolet C10 Exhaust Pipe Flange Gasket

$2.24

Cometic GM Gen1 Small Block V8 .064in AM Exhaust Manifold Gasket Set-Brodix 12B Raised D Port Heads

Cometic Gasket

Fits All Trims

Cometic GM Gen1 Small Block V8 .064in AM Exhaust Manifold Gasket Set-Brodix 12B Raised D Port Heads

$41.48

Cometic Chevy Gen1 SB V8 .064in AM Exhaust Mani Gasket Set-1.700in x 1.700in D Ports

Cometic Gasket

Fits All Trims

Cometic Chevy Gen1 SB V8 .064in AM Exhaust Mani Gasket Set-1.700in x 1.700in D Ports

$30.81

Magnaflow

Fits All Trims

MagnaFlow Conv Univ 2.5 FED

$129.00

Frequently Asked Questions

Do these parts fit my 1981 GMC G3500?

This page groups parts listed for the 1981 GMC G3500. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.

What mufflers & resonators options are available for my 1981 GMC G3500?

We offer a wide selection of mufflers & resonators parts for the 1981 GMC G3500. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.

What brands make parts for the 1981 GMC G3500?

We carry parts from trusted brands including Cometic Gasket, Fel-Pro, Magnaflow, and Victor Reinz, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 1981 GMC G3500 parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 1981 GMC G3500 parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

1981 GMC G3500(3,274 parts)

1981 GMC G3500(3,274 parts)

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Other GMC G3500 Years

Mufflers & Resonators (59 products)

Cometic Chevy Gen1 SB V8 .064in ArmorCore Exhaust Mani Gasket Set-1.810in Round Port

Cometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Mani Gasket Set-1.550in x 1.450in Square Ports

Cometic Chevy Gen1 Small Block V8 .030in MLS Exhaust Mani Gskt Set-1.450in x 1.600in Rectangle Port

Cometic GM Gen 1 Small Block 1.450 in x 1.480 in Port Exhaust Manifold Set

Cometic Chevy Gen-I SB V8 .030in MLS Exhaust Mani Gasket Set-Brodix 13 Deg Head

Cometic Chevrolet Gen-1 Small Block V8 .030in MLS Exhaust Manifold Gasket Set - 1.625in Round Ports

Cometic Chevrolet Gen-1 Small Block V8 .030in MLS Exhaust Header Gasket Kit - All Pro Heads

Cometic Chevrolet Gen-1 Small Block V8 .060in HTS Exhaust Manifold Gasket Set - 1.625in Round Ports

Cometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Mani Gasket Set-1.480in x 1.450in Square Ports

Fel-Pro Chevrolet C10 60556 Exhaust Pipe Flange Gasket

Cometic Chevy Gen1 Small Block V8 .060in Fiber Exhaust Mani Gskt Set-1.500in Round Port-23 Deg Head

Cometic Chevrolet Gen-1 Small Block V8 .030in MLS Exhaust Header Gasket Set - All Pro Heads

MagnaFlow Conv DF GM 25inch x 7inch x 4inch 2.5/2.5inch

Cometic Chevy Gen1 Small Block V8 .043in Copper Exhaust Mani Gskt Set-1.550in x 1.450in Square Ports

MagnaFlow Conv Univ 2.5 W/Air FED

Cometic Chevy Gen-I Small Block V8 .043in Copper Exhaust Manifold Gasket Set - 1.500in Round Port

Fel-Pro Chevrolet C10 Exhaust Pipe Flange Gasket

Cometic GM Gen1 Small Block V8 .064in AM Exhaust Manifold Gasket Set-Brodix 12B Raised D Port Heads

Cometic Chevy Gen1 SB V8 .064in AM Exhaust Mani Gasket Set-1.700in x 1.700in D Ports

MagnaFlow Conv Univ 2.5 FED

Frequently Asked Questions

Do these parts fit my 1981 GMC G3500?

What mufflers & resonators options are available for my 1981 GMC G3500?

What brands make parts for the 1981 GMC G3500?

How fast do 1981 GMC G3500 parts ship?

What warranty do your 1981 GMC G3500 parts come with?