18+ 2018 Chevrolet Express 3500 Mufflers & Resonators Parts

Mufflers & Resonators (18 products)

Quiet-Flow SS Direct Fit Exhaust Muffler 2.75" Inlet (OD) 2.75" Outlet (OD)

Walker Exhaust

Part # 21759

Fits All Trims

Quiet-Flow SS Direct Fit Exhaust Muffler 2.75" Inlet (OD) 2.75" Outlet (OD)

$154.52

Magnaflow

Part # 51209

Fits All Trims

MagnaFlow Conv Universal 3 inch OEM

$211.00

Cometic GM LS1 5.3L/5.7L/6.0L .030 inch MLS Exhaust Gaskets (Pair)

Cometic Gasket

Part # C5818-030

Fits All Trims

Cometic GM LS1 5.3L/5.7L/6.0L .030 inch MLS Exhaust Gaskets (Pair)

$40.41

MAHLE Original Buick Rainier 07-04 Exhaust Pipe Gasket

Victor Reinz

Part # F31619

Fits All Trims

MAHLE Original Buick Rainier 07-04 Exhaust Pipe Gasket

$26.24

MAHLE Original Buick Rainier 07-04 Exhaust Pipe Packing Ring

Victor Reinz

Part # F31618

Fits All Trims

MAHLE Original Buick Rainier 07-04 Exhaust Pipe Packing Ring

$20.21

Fel-Pro

Part # 61694

Fits All Trims

Fel-Pro Chevrolet Silverado 2500 HD Exhaust Pipe Flange Gasket

$15.08

AP Exhaust

Part # 2650

Fits All Trims

Muffler - Challenge

$118.28

Magnaflow

Part # 52113

Fits All Trims

Magnaflow Conv DF 2011-2012 EXPRESS 2500 6.0L 6.0L Underbody

$1861.00

Cometic GM Gen-3/4 Small Block V8 MLS Exhaust Manifold Gasket Set

Cometic Gasket

Part # C15547

Fits All Trims

Cometic GM Gen-3/4 Small Block V8 MLS Exhaust Manifold Gasket Set

$61.43

Magnaflow

Part # 280505

Fits All Trims

Magnaflow 12-20 Chevrolet Express 4500 Underbody 6.0L Direct Fit Catalytic Converter

$2004.00

Magnaflow

Part # 280210

Fits All Trims

Magnaflow 18-20 Chevrolet Express 2500 Single Underbody 4.3L Direct Fit Catalytic Converter

$1384.00

Cometic GM Gen-3/4 Small Block V8 .060in HTS Exhaust Manifold Gasket Set

Cometic Gasket

Part # C5818HTS

Fits All Trims

Cometic GM Gen-3/4 Small Block V8 .060in HTS Exhaust Manifold Gasket Set

$41.16

Fel-Pro

Part # ES75120

Fits All Trims

Fel-Pro 03-13 Chevrolet Silverado 1500/00-09 Tahoe Exhaust Manifold Hardware Kit

$35.39

Fel-Pro

Part # 61323

Fits All Trims

Fel-Pro 09-13 Chevrolet Silverado 1500/08-13 Tahoe Exhaust Pipe Flange Gasket

$9.59

Magnaflow

Part # 23365

Fits All Trims

MagnaFlow Conv Ford-Mercury 21.5X6.5X4 2.25/2

$267.00

Fel-Pro

Part # 61561

Fits All Trims

Fel-Pro Chevrolet K1500 Exhaust Pipe Flange Gasket

$11.23

Cometic GM LS Gen 3/4 Small Block V8 .060in HTS Exhaust Manifold Gasket - 20 Pack

Cometic Gasket

Part # cp5818

Fits All Trims

Cometic GM LS Gen 3/4 Small Block V8 .060in HTS Exhaust Manifold Gasket - 20 Pack

$191.56

Cometic GM Gen-3/4 Small Block V8 1.820in Port .060in HTS Exhaust Manifold Set

Cometic Gasket

Part # C15193HTS

Fits All Trims

Cometic GM Gen-3/4 Small Block V8 1.820in Port .060in HTS Exhaust Manifold Set

$34.42

All 18 products shown

Frequently Asked Questions

Do these parts fit my 2018 Chevrolet Express 3500?

This page groups parts listed for the 2018 Chevrolet Express 3500. 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 2018 Chevrolet Express 3500?

We offer a wide selection of mufflers & resonators parts for the 2018 Chevrolet Express 3500. 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 2018 Chevrolet Express 3500?

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

How fast do 2018 Chevrolet Express 3500 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 2018 Chevrolet Express 3500 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.

2018 Chevrolet Express 3500(2,071 parts)

Shop by Problem

Other Chevrolet Express 3500 Years

2018 Chevrolet Express 3500(2,071 parts)

Shop by Problem

Other Chevrolet Express 3500 Years

Mufflers & Resonators (18 products)

Quiet-Flow SS Direct Fit Exhaust Muffler 2.75" Inlet (OD) 2.75" Outlet (OD)

MagnaFlow Conv Universal 3 inch OEM

Cometic GM LS1 5.3L/5.7L/6.0L .030 inch MLS Exhaust Gaskets (Pair)

MAHLE Original Buick Rainier 07-04 Exhaust Pipe Gasket

MAHLE Original Buick Rainier 07-04 Exhaust Pipe Packing Ring

Fel-Pro Chevrolet Silverado 2500 HD Exhaust Pipe Flange Gasket

Muffler - Challenge

Magnaflow Conv DF 2011-2012 EXPRESS 2500 6.0L 6.0L Underbody

Cometic GM Gen-3/4 Small Block V8 MLS Exhaust Manifold Gasket Set

Magnaflow 12-20 Chevrolet Express 4500 Underbody 6.0L Direct Fit Catalytic Converter

Magnaflow 18-20 Chevrolet Express 2500 Single Underbody 4.3L Direct Fit Catalytic Converter

Cometic GM Gen-3/4 Small Block V8 .060in HTS Exhaust Manifold Gasket Set

Fel-Pro 03-13 Chevrolet Silverado 1500/00-09 Tahoe Exhaust Manifold Hardware Kit

Fel-Pro 09-13 Chevrolet Silverado 1500/08-13 Tahoe Exhaust Pipe Flange Gasket

MagnaFlow Conv Ford-Mercury 21.5X6.5X4 2.25/2

Fel-Pro Chevrolet K1500 Exhaust Pipe Flange Gasket

Cometic GM LS Gen 3/4 Small Block V8 .060in HTS Exhaust Manifold Gasket - 20 Pack

Cometic GM Gen-3/4 Small Block V8 1.820in Port .060in HTS Exhaust Manifold Set

Frequently Asked Questions

Do these parts fit my 2018 Chevrolet Express 3500?

What mufflers & resonators options are available for my 2018 Chevrolet Express 3500?

What brands make parts for the 2018 Chevrolet Express 3500?

How fast do 2018 Chevrolet Express 3500 parts ship?

What warranty do your 2018 Chevrolet Express 3500 parts come with?