79+ 2006 GMC Sierra 2500 HD Mufflers & Resonators Parts

Mufflers & Resonators (79 products)

AP Exhaust

Part # 700488

Fits All Trims

Direct Fit Muffler - MSL Maximum

$105.01

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 3" Outlet (ID)

Walker Exhaust

Part # 21533

Fits All Trims

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 3" Outlet (ID)

$133.53

SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 3"Outlet (ID)

Walker Exhaust

Part # 27263

Fits All Trims

SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 3"Outlet (ID)

$110.64

Quiet-Flow Direct Fit Exhaust Muffler 3" Inlet (ID) 3" Outlet (ID)

Walker Exhaust

Part # 21522

Fits All Trims

Quiet-Flow Direct Fit Exhaust Muffler 3" Inlet (ID) 3" Outlet (ID)

$121.81

Magnaflow

Part # 49006

Fits All Trims

MagnaFlow Conv DF 05 Silverado 2500HD 6.0L

$1281.00

Magnaflow

Part # 51949

Choose Trim

MagnaFlow Conv DF 05 Silverado 2500HD 6.0L

$1415.00

Magnaflow

Part # 60502

Fits All Trims

MagnaFlow Conv DF 06- GM Silv/Sierra 6.6L

$931.00

Magnaflow

Part # 60121

Fits All Trims

MagnaFlow Conv Univ 02-06 Dodge Ram 2500/3500 Pickup 5.9L Cummins Diesel H.O.

$551.00

Magnaflow

Part # 15399

Fits All Trims

MagnaFlow Down-Pipe 06-07 GM Diesel 6.6L

$215.55

Magnaflow

Part # 93479

Fits All Trims

MagnaFlow Conv DF 03-08 Chevy/GMC Passenger Side Rear

$563.00

Corsa 2009-2013 Inlet 4in Pro Series Twin Side Swept Exhaust Tip Kit

CORSA Performance

Part # 14031

Fits All Trims

Corsa 2009-2013 Inlet 4in Pro Series Twin Side Swept Exhaust Tip Kit

$349.18

JBA 01-06 GM Truck 8.1L (w/Allison Trans) 409SS Emissions Legal Mid Pipes

JBA

Part # 1860SY

Fits All Trims

JBA 01-06 GM Truck 8.1L (w/Allison Trans) 409SS Emissions Legal Mid Pipes

$346.98

Magnaflow

Part # 52493

Fits All Trims

Magnaflow Conv DF 2001-2006 Sierra HD V8 6.0L Passenger Side

$487.00

MAHLE Original Chevrolet Express 2500 09-06 Turbocharger Mounting Set

Victor Reinz

Part # GS33678

Fits All Trims

MAHLE Original Chevrolet Express 2500 09-06 Turbocharger Mounting Set

$67.32

Magnaflow

Part # 51009

Fits All Trims

MagnaFlow Conv Universal 3in Inlet/Outlet Center/Center Oval 12in Body L x 6.5in W x 16in Overall L

$252.00

Heavy Duty Direct Fit Exhaust Muffler 4" Inlet (ID) 4" Outlet (ID)

Walker Exhaust

Part # 21172

Fits All Trims

Heavy Duty Direct Fit Exhaust Muffler 4" Inlet (ID) 4" Outlet (ID)

$90.91

Walker Exhaust

Part # 22307

Fits All Trims

Quiet-Flow Direct Fit Exhaust Muffler 3" Inlet (ID) 3" Outlet (ID)

$216.01

Fel-Pro

Part # 61457

Fits All Trims

Fel-Pro Chevrolet Silverado 2500 HD 61457 Exhaust Pipe Flange Gasket

$11.28

Wehrli

Part # WCF100120

Fits All Trims

Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Down Pipe

$217.60

Magnaflow

Part # 49643

Fits All Trims

MagnaFlow Conv DF 00-06 Chevy/GMC D/S OEM

$782.00

Frequently Asked Questions

Do these parts fit my 2006 GMC Sierra 2500 HD?

This page groups parts listed for the 2006 GMC Sierra 2500 HD. 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 2006 GMC Sierra 2500 HD?

We offer a wide selection of mufflers & resonators parts for the 2006 GMC Sierra 2500 HD. 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 2006 GMC Sierra 2500 HD?

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 2006 GMC Sierra 2500 HD 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 2006 GMC Sierra 2500 HD 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.

2006 GMC Sierra 2500 HD(4,924 parts)

2006 GMC Sierra 2500 HD(4,924 parts)

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Other GMC Sierra 2500 HD Years

Mufflers & Resonators (79 products)

Direct Fit Muffler - MSL Maximum

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 3" Outlet (ID)

SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 3"Outlet (ID)

Quiet-Flow Direct Fit Exhaust Muffler 3" Inlet (ID) 3" Outlet (ID)

MagnaFlow Conv DF 05 Silverado 2500HD 6.0L

MagnaFlow Conv DF 05 Silverado 2500HD 6.0L

MagnaFlow Conv DF 06- GM Silv/Sierra 6.6L

MagnaFlow Conv Univ 02-06 Dodge Ram 2500/3500 Pickup 5.9L Cummins Diesel H.O.

MagnaFlow Down-Pipe 06-07 GM Diesel 6.6L

MagnaFlow Conv DF 03-08 Chevy/GMC Passenger Side Rear

Corsa 2009-2013 Inlet 4in Pro Series Twin Side Swept Exhaust Tip Kit

JBA 01-06 GM Truck 8.1L (w/Allison Trans) 409SS Emissions Legal Mid Pipes

Magnaflow Conv DF 2001-2006 Sierra HD V8 6.0L Passenger Side

MAHLE Original Chevrolet Express 2500 09-06 Turbocharger Mounting Set

MagnaFlow Conv Universal 3in Inlet/Outlet Center/Center Oval 12in Body L x 6.5in W x 16in Overall L

Heavy Duty Direct Fit Exhaust Muffler 4" Inlet (ID) 4" Outlet (ID)

Quiet-Flow Direct Fit Exhaust Muffler 3" Inlet (ID) 3" Outlet (ID)

Fel-Pro Chevrolet Silverado 2500 HD 61457 Exhaust Pipe Flange Gasket

Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Down Pipe

MagnaFlow Conv DF 00-06 Chevy/GMC D/S OEM

Frequently Asked Questions

Do these parts fit my 2006 GMC Sierra 2500 HD?

What mufflers & resonators options are available for my 2006 GMC Sierra 2500 HD?

What brands make parts for the 2006 GMC Sierra 2500 HD?

How fast do 2006 GMC Sierra 2500 HD parts ship?

What warranty do your 2006 GMC Sierra 2500 HD parts come with?