44+ 1978 Chevrolet K20 Mufflers & Resonators Silverado Parts - Page 2

Silverado · Mufflers & Resonators (44 products)

Exact-fit parts for the 1978 Chevrolet K20 Silverado.

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .060in MLS Exhaust Manifold Gasket Set

Cometic Gasket

Part # C5897-060

Confirmed Fit

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .060in MLS Exhaust Manifold Gasket Set

$85.52

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .060in HTS Exhaust Manifold Gasket Set

Cometic Gasket

Part # C5897HTS

Confirmed Fit

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .060in HTS Exhaust Manifold Gasket Set

$34.76

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .094in HTG Exhaust Manifold Gasket Set

Cometic Gasket

Part # C5896HTG

Confirmed Fit

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .094in HTG Exhaust Manifold Gasket Set

$38.12

Cometic Chevy Mark-IV GM Gen-V/VI BB V8 .064in ArmorCore Exhaust Mani Gasket Set-2.015in Round Port

Cometic Gasket

Part # C5349-064

Confirmed Fit

Cometic Chevy Mark-IV GM Gen-V/VI BB V8 .064in ArmorCore Exhaust Mani Gasket Set-2.015in Round Port

$46.58

Magnaflow

Part # 3391432

Confirmed Fit

MagnaFlow Conv DF 1994 GMA G3500 V6 4.3L

$1158.00

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

Walker Exhaust

Part # 17831

Fits with Conditions

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

$48.37

Magnaflow

Part # 339106

Confirmed Fit

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

$523.00

Cometic Chevy Mark-IV GM Gen-V/VI Big Block V8 .030in MLS Exhaust Mani Gasket Set-2in Square Ports

Cometic Gasket

Part # C5084-030

Confirmed Fit

Cometic Chevy Mark-IV GM Gen-V/VI Big Block V8 .030in MLS Exhaust Mani Gasket Set-2in Square Ports

$54.48

Cometic Chevrolet Gen-3 Inline 6 .059in CFM-20 Intake Exhaust Manifold Gasket

Cometic Gasket

Part # C15010-059

Confirmed Fit

Cometic Chevrolet Gen-3 Inline 6 .059in CFM-20 Intake Exhaust Manifold Gasket

$64.74

Cometic Chevy Gen-4 Big Block V8 .060in HTS Exhaust Manifold Gasket - 2.250in Round Port - 20 Pack

Cometic Gasket

Part # CP5251

Confirmed Fit

Cometic Chevy Gen-4 Big Block V8 .060in HTS Exhaust Manifold Gasket - 2.250in Round Port - 20 Pack

$210.88

Cometic Chevy Mark-IV BB V8 .064in ArmorCore Exhaust Mani Gskt Set-Brodix Big Duke/Head Hunter Heads

Cometic Gasket

Part # C5418-064

Confirmed Fit

Cometic Chevy Mark-IV BB V8 .064in ArmorCore Exhaust Mani Gskt Set-Brodix Big Duke/Head Hunter Heads

$30.81

Cometic Chevy Mark-IV BB V8 .064in ArmorCore Exhaust Mani Gasket Set

Cometic Gasket

Part # C5429-064

Confirmed Fit

Cometic Chevy Mark-IV BB V8 .064in ArmorCore Exhaust Mani Gasket Set

$30.81

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .030in MLS Exhaust Manifold Gasket Set

Cometic Gasket

Part # C5350-030

Confirmed Fit

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .030in MLS Exhaust Manifold Gasket Set

$54.48

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

Cometic Gasket

Part # C5896-030

Confirmed Fit

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .030in MLS Exhaust Manifold Gasket Set

$54.48

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .064in ArmorCore Exhaust Manifold Gasket Set

Cometic Gasket

Part # C5350-064

Confirmed Fit

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .064in ArmorCore Exhaust Manifold Gasket Set

$46.58

Cometic GM BBC 2.250in Round Port - 030in MLS Exhaust Gasket

Cometic Gasket

Part # C5251-030

Confirmed Fit

Cometic GM BBC 2.250in Round Port - 030in MLS Exhaust Gasket

$54.48

Fel-Pro

Part # 9672

Confirmed Fit

Fel-Pro Chevrolet Camaro 9672 Exhaust Pipe Flange Gasket

$8.67

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

$7.05

Frequently Asked Questions

Do these parts fit my 1978 Chevrolet K20 Silverado?

This page groups parts listed for the 1978 Chevrolet K20 Silverado. 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 1978 Chevrolet K20 Silverado?

We offer a wide selection of mufflers & resonators parts for the 1978 Chevrolet K20 Silverado. 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 1978 Chevrolet K20 Silverado?

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

How fast do 1978 Chevrolet K20 Silverado 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 1978 Chevrolet K20 Silverado 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.

1978 Chevrolet K20(3,806 parts)

1978 Chevrolet K20(3,806 parts)

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Other Chevrolet K20 Years

Silverado · Mufflers & Resonators (44 products)

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .060in MLS Exhaust Manifold Gasket Set

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .060in HTS Exhaust Manifold Gasket Set

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .094in HTG Exhaust Manifold Gasket Set

Cometic Chevy Mark-IV GM Gen-V/VI BB V8 .064in ArmorCore Exhaust Mani Gasket Set-2.015in Round Port

MagnaFlow Conv DF 1994 GMA G3500 V6 4.3L

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

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

Cometic Chevy Mark-IV GM Gen-V/VI Big Block V8 .030in MLS Exhaust Mani Gasket Set-2in Square Ports

Cometic Chevrolet Gen-3 Inline 6 .059in CFM-20 Intake Exhaust Manifold Gasket

Cometic Chevy Gen-4 Big Block V8 .060in HTS Exhaust Manifold Gasket - 2.250in Round Port - 20 Pack

Cometic Chevy Mark-IV BB V8 .064in ArmorCore Exhaust Mani Gskt Set-Brodix Big Duke/Head Hunter Heads

Cometic Chevy Mark-IV BB V8 .064in ArmorCore Exhaust Mani Gasket Set

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .030in MLS Exhaust Manifold Gasket Set

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

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .030in MLS Exhaust Manifold Gasket Set

Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .064in ArmorCore Exhaust Manifold Gasket Set

Cometic GM BBC 2.250in Round Port - 030in MLS Exhaust 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

Frequently Asked Questions

Do these parts fit my 1978 Chevrolet K20 Silverado?

What mufflers & resonators options are available for my 1978 Chevrolet K20 Silverado?

What brands make parts for the 1978 Chevrolet K20 Silverado?

How fast do 1978 Chevrolet K20 Silverado parts ship?

What warranty do your 1978 Chevrolet K20 Silverado parts come with?