17+ 1979 GMC G3500 Mufflers & Resonators Rally STX Parts

Rally STX · Mufflers & Resonators (16 products)

Exact-fit parts for the 1979 GMC G3500 Rally STX.

Magnaflow

Part # 93506

Confirmed Fit

MagnaFlow Conv Univ 2.5 FED

$177.00

Magnaflow

Part # 3391432

Confirmed Fit

MagnaFlow Conv DF 1994 GMA G3500 V6 4.3L

$1158.00

SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

Walker Exhaust

Part # 18337

Fits with Conditions

SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

$53.38

Magnaflow

Part # 339106

Confirmed Fit

MagnaFlow Conv Universal 2.5in Inlet 2.5in Outlet 16in Length

$523.00

Cometic GM Small Block Aluminum/Rubber Exhaust Port Cover Set - 18 Degree Heads

Cometic Gasket

Part # C5258

Confirmed Fit

Cometic GM Small Block Aluminum/Rubber Exhaust Port Cover Set - 18 Degree Heads

$72.52

Cometic Chevy Gen1 Small Block V8 .064in AM Exhaust Gskt Set-1.500in x 1.470in Ports-18 Degree Head

Cometic Gasket

Part # C5314-064

Confirmed Fit

Cometic Chevy Gen1 Small Block V8 .064in AM Exhaust Gskt Set-1.500in x 1.470in Ports-18 Degree Head

$45.34

MAHLE Original Chevrolet C10 Pickup 69-68 Exhaust Pipe Flange Gasket

Victor Reinz

Part # F7192

Confirmed Fit

MAHLE Original Chevrolet C10 Pickup 69-68 Exhaust Pipe Flange Gasket

$17.48

Fel-Pro

Part # 9587

Confirmed Fit

Fel-Pro Chevrolet C10 Exhaust Pipe Flange Gasket

$2.24

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

Walker Exhaust

Part # 22171

Fits with Conditions

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

$91.62

SoundFX Universal Universal Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

Walker Exhaust

Part # 18177

Fits with Conditions

SoundFX Universal Universal Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

$43.24

MAHLE Original Buick Century 80-77 Exhaust Gas Recirculation Valve Gasket

Victor Reinz

Part # G26748

Confirmed Fit

MAHLE Original Buick Century 80-77 Exhaust Gas Recirculation Valve Gasket

$15.67

Fel-Pro

Part # 9672

Confirmed Fit

Fel-Pro Chevrolet Camaro 9672 Exhaust Pipe Flange Gasket

$4.92

Magnaflow

Part # 93432

Confirmed Fit

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

$219.00

Fel-Pro

Part # 60986

Confirmed Fit

Fel-Pro Chevrolet C10 60986 Exhaust Pipe Flange Gasket

$3.30

MAHLE Original Chevrolet 3A 59 Exhaust Pipe Flange Gasket

Victor Reinz

Part # F7135

Confirmed Fit

MAHLE Original Chevrolet 3A 59 Exhaust Pipe Flange Gasket

$17.09

MAHLE Original Checker Marathon 69-65 Exhaust Pipe Packing Ring

Victor Reinz

Part # F7139

Confirmed Fit

MAHLE Original Checker Marathon 69-65 Exhaust Pipe Packing Ring

$15.27

All 16 products shown

Frequently Asked Questions

Do these parts fit my 1979 GMC G3500 Rally STX?

This page groups parts listed for the 1979 GMC G3500 Rally STX. 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 1979 GMC G3500 Rally STX?

We offer a wide selection of mufflers & resonators parts for the 1979 GMC G3500 Rally STX. 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 1979 GMC G3500 Rally STX?

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

How fast do 1979 GMC G3500 Rally STX 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 1979 GMC G3500 Rally STX 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.

1979 GMC G3500(1,822 parts)

1979 GMC G3500(1,822 parts)

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Other GMC G3500 Years

Rally STX · Mufflers & Resonators (16 products)

MagnaFlow Conv Univ 2.5 FED

MagnaFlow Conv DF 1994 GMA G3500 V6 4.3L

SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

MagnaFlow Conv Universal 2.5in Inlet 2.5in Outlet 16in Length

Cometic GM Small Block Aluminum/Rubber Exhaust Port Cover Set - 18 Degree Heads

Cometic Chevy Gen1 Small Block V8 .064in AM Exhaust Gskt Set-1.500in x 1.470in Ports-18 Degree Head

MAHLE Original Chevrolet C10 Pickup 69-68 Exhaust Pipe Flange Gasket

Fel-Pro Chevrolet C10 Exhaust Pipe Flange Gasket

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

SoundFX Universal Universal Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

MAHLE Original Buick Century 80-77 Exhaust Gas Recirculation Valve Gasket

Fel-Pro Chevrolet Camaro 9672 Exhaust Pipe Flange Gasket

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

Fel-Pro Chevrolet C10 60986 Exhaust Pipe Flange Gasket

MAHLE Original Chevrolet 3A 59 Exhaust Pipe Flange Gasket

MAHLE Original Checker Marathon 69-65 Exhaust Pipe Packing Ring

Frequently Asked Questions

Do these parts fit my 1979 GMC G3500 Rally STX?

What mufflers & resonators options are available for my 1979 GMC G3500 Rally STX?

What brands make parts for the 1979 GMC G3500 Rally STX?

How fast do 1979 GMC G3500 Rally STX parts ship?

What warranty do your 1979 GMC G3500 Rally STX parts come with?