69+ 1984 Chevrolet K20 Mufflers & Resonators Parts

Mufflers & Resonators (69 products)

SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)

Walker Exhaust

Part # 18274

Fits All Trims

SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)

$46.53

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

Walker Exhaust

Part # 18171

Fits All Trims

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

$41.55

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)

Walker Exhaust

Part # 21910

Fits All Trims

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)

$77.11

Magnaflow

Part # 3391432

Fits All Trims

MagnaFlow Conv DF 1994 GMA G3500 V6 4.3L

$1158.00

Magnaflow

Part # 94006

Fits All Trims

MagnaFlow Conv Univ 2.5 FED

$129.00

Magnaflow

Part # 94016

Fits All Trims

MagnaFlow Conv Univ 2.5 W/Air FED

$137.00

AP Exhaust

Part # 700051

Fits All Trims

Direct Fit Muffler - MSL Maximum

$45.76

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

Walker Exhaust

Part # 17831

Fits All Trims

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

$48.37

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

Cometic Gasket

Part # C5893-030

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 .064in ArmorCore Exhaust Manifold Gasket Set - 23 Degree Head

Cometic Gasket

Part # C5548-064

Fits All Trims

Cometic Chevrolet Gen-1 Small Block V8 .064in ArmorCore Exhaust Manifold Gasket Set - 23 Degree Head

$32.31

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

Victor Reinz

Part # G26748

Fits All Trims

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

$15.67

MAHLE Original Chevrolet 3A 59 Exhaust Pipe Flange Gasket

Victor Reinz

Part # F7135

Fits All Trims

MAHLE Original Chevrolet 3A 59 Exhaust Pipe Flange Gasket

$17.09

MAHLE Original Buick Apollo 75-73 Intake To Exhaust Hot Spot

Victor Reinz

Part # B7354

Fits All Trims

MAHLE Original Buick Apollo 75-73 Intake To Exhaust Hot Spot

$15.73

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

Cometic Gasket

Part # C5892-030

Fits All Trims

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

$51.05

Magnaflow

Part # 93432

Fits All Trims

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

$219.00

Fel-Pro

Part # 9587

Fits All Trims

Fel-Pro Chevrolet C10 Exhaust Pipe Flange Gasket

$2.24

Cometic Chevrolet Gen-1 Small Block V8 .094in HTG Exhaust Manifold Gasket Set - 1.625in Round Ports

Cometic Gasket

Part # C5893HTG

Fits All Trims

Cometic Chevrolet Gen-1 Small Block V8 .094in HTG Exhaust Manifold Gasket Set - 1.625in Round Ports

$40.69

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

Cometic Gasket

Part # C15189HTS

Fits All Trims

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

$33.09

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

Cometic Gasket

Part # C5867-030

Fits All Trims

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

$104.95

Walker Exhaust

Part # 22329

Fits All Trims

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)

$68.92

Frequently Asked Questions

Do these parts fit my 1984 Chevrolet K20?

This page groups parts listed for the 1984 Chevrolet K20. 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 1984 Chevrolet K20?

We offer a wide selection of mufflers & resonators parts for the 1984 Chevrolet K20. 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 1984 Chevrolet K20?

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

How fast do 1984 Chevrolet K20 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 1984 Chevrolet K20 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.

1984 Chevrolet K20(4,485 parts)

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Other Chevrolet K20 Years

1984 Chevrolet K20(4,485 parts)

Shop by Problem

Other Chevrolet K20 Years

Mufflers & Resonators (69 products)

SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)

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

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)

MagnaFlow Conv DF 1994 GMA G3500 V6 4.3L

MagnaFlow Conv Univ 2.5 FED

MagnaFlow Conv Univ 2.5 W/Air FED

Direct Fit Muffler - MSL Maximum

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

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

Cometic Chevrolet Gen-1 Small Block V8 .064in ArmorCore Exhaust Manifold Gasket Set - 23 Degree Head

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

MAHLE Original Chevrolet 3A 59 Exhaust Pipe Flange Gasket

MAHLE Original Buick Apollo 75-73 Intake To Exhaust Hot Spot

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

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

Fel-Pro Chevrolet C10 Exhaust Pipe Flange Gasket

Cometic Chevrolet Gen-1 Small Block V8 .094in HTG Exhaust Manifold Gasket Set - 1.625in Round Ports

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

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

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)

Frequently Asked Questions

Do these parts fit my 1984 Chevrolet K20?

What mufflers & resonators options are available for my 1984 Chevrolet K20?

What brands make parts for the 1984 Chevrolet K20?

How fast do 1984 Chevrolet K20 parts ship?

What warranty do your 1984 Chevrolet K20 parts come with?