51+ 1989 GMC R2500 Suburban Mufflers & Resonators Parts

Mufflers & Resonators (51 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

Magnaflow

Part # 94009

Fits All Trims

MagnaFlow Conv Univ 3

$129.00

Magnaflow

Part # 334009

Fits All Trims

MagnaFlow Conv Univ 3in T2 Rear

$219.00

Magnaflow

Part # 334006

Fits All Trims

MagnaFlow Conv Univ 2.5inch T2 Rear

$219.00

Magnaflow

Part # 333006

Fits All Trims

MagnaFlow Conv Universal 2.5 inch T2 Front

$368.00

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

Cometic Gasket

Part # C5429-064

Fits All Trims

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

$30.81

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

Cometic Gasket

Part # C5251-030

Fits All Trims

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

$54.48

Magnaflow

Part # 339109

Fits All Trims

Magnaflow 3.00 T1 Universal Converter

$523.00

Fel-Pro

Part # 60556

Fits All Trims

Fel-Pro Chevrolet C10 60556 Exhaust Pipe Flange Gasket

$10.51

Fel-Pro

Part # ES75119

Fits All Trims

Fel-Pro Chevrolet K1500 ES 75119 Exhaust Manifold Hardware Kit

$39.21

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

Cometic Gasket

Part # CP5251

Fits All Trims

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

$210.88

Magnaflow

Part # 3391477

Fits All Trims

MagnaFlow Conv Direct Fit 90-95 Chevrolet C2500 4.3L/5.7L/7.4L

$995.00

MAHLE Original American Motors Concord 82-80 Exhaust Gas Recirculation Valve Gasket

Victor Reinz

Part # G17797

Fits All Trims

MAHLE Original American Motors Concord 82-80 Exhaust Gas Recirculation Valve Gasket

$15.94

Magnaflow

Part # 14221

Fits All Trims

MagnaFlow Muffler Mag SS 5X8 14 3/2.5

$226.96

Magnaflow

Part # 3391476

Fits All Trims

Magnaflow 87-95 GM Truck 4.3/5.7 CA Direct Fit Converter

$995.00

MAHLE Original Chevrolet B60 90-85 Exhaust Pipe Packing Ring

Victor Reinz

Part # F20423

Fits All Trims

MAHLE Original Chevrolet B60 90-85 Exhaust Pipe Packing Ring

$25.18

Magnaflow

Part # 12198

Fits All Trims

MagnaFlow Muffler Mag SS 14X5X8-3X2.5/2.5 C/D

$162.00

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

Cometic Gasket

Part # C5418-064

Fits All Trims

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

$30.81

Magnaflow

Part # 93476

Fits All Trims

MagnaFlow Conv DF Gm

$296.00

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

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 1989 GMC R2500 Suburban?

This page groups parts listed for the 1989 GMC R2500 Suburban. 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 1989 GMC R2500 Suburban?

We offer a wide selection of mufflers & resonators parts for the 1989 GMC R2500 Suburban. 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 1989 GMC R2500 Suburban?

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

How fast do 1989 GMC R2500 Suburban 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 1989 GMC R2500 Suburban 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.

1989 GMC R2500 Suburban(3,772 parts)

Shop by Problem

Other GMC R2500 Suburban Years

1989 GMC R2500 Suburban(3,772 parts)

Shop by Problem

Other GMC R2500 Suburban Years

Mufflers & Resonators (51 products)

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

MagnaFlow Conv Univ 3

MagnaFlow Conv Univ 3in T2 Rear

MagnaFlow Conv Univ 2.5inch T2 Rear

MagnaFlow Conv Universal 2.5 inch T2 Front

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

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

Magnaflow 3.00 T1 Universal Converter

Fel-Pro Chevrolet C10 60556 Exhaust Pipe Flange Gasket

Fel-Pro Chevrolet K1500 ES 75119 Exhaust Manifold Hardware Kit

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

MagnaFlow Conv Direct Fit 90-95 Chevrolet C2500 4.3L/5.7L/7.4L

MAHLE Original American Motors Concord 82-80 Exhaust Gas Recirculation Valve Gasket

MagnaFlow Muffler Mag SS 5X8 14 3/2.5

Magnaflow 87-95 GM Truck 4.3/5.7 CA Direct Fit Converter

MAHLE Original Chevrolet B60 90-85 Exhaust Pipe Packing Ring

MagnaFlow Muffler Mag SS 14X5X8-3X2.5/2.5 C/D

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

MagnaFlow Conv DF Gm

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

Frequently Asked Questions

Do these parts fit my 1989 GMC R2500 Suburban?

What mufflers & resonators options are available for my 1989 GMC R2500 Suburban?

What brands make parts for the 1989 GMC R2500 Suburban?

How fast do 1989 GMC R2500 Suburban parts ship?

What warranty do your 1989 GMC R2500 Suburban parts come with?