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Guaranteed to Fit2003 GMC Sierra 2500 HD Change Vehicle

Flowmaster®
2003 GMC Sierra 2500 HD - Muffler, Black

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$278.95
$310.00Save: $31.05(10%)
Manufacturer #530513
Guaranteed to Fit2003 GMC Sierra 2500 HD Change Vehicle
Qty:
1

Your Vehicle Fit Details

Vehicle Name
Submodel
Engine
Fitment Information
2003 GMC Sierra 2500 HD
Base
8 Cyl 6.0L
-
2003 GMC Sierra 2500 HD
Base
8 Cyl 8.1L
-
2003 GMC Sierra 2500 HD
SLE
8 Cyl 6.0L
-
2003 GMC Sierra 2500 HD
WT
8 Cyl 6.0L
-
2003 GMC Sierra 2500 HD
WT
8 Cyl 8.1L
-
2003 GMC Sierra 2500 HD
SLT
8 Cyl 8.1L
-
2003 GMC Sierra 2500 HD
SLE
8 Cyl 8.1L
-
2003 GMC Sierra 2500 HD
SLT
8 Cyl 6.0L
-

Highlights

Part:
Series:
50 Series Big Block Series
Inlet Size:
3 in. Inlet Size
Outlet Size:
3.5 in. Outlet Size
Color Finish:
Black
Quantity Sold:
Sold individually
Warranty:
3-year Flowmaster limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Attachment Style:
Clamp-On or Weld-On
Body Length:
22 in. Body Length
Case Shape:
Oval
Height:
5 in. Height
Inlet Location:
Center (Dual)
Inlet Quantity:
Dual
Internal Construction:
Chambered
Material:
Made of Aluminized Steel
Outlet Location:
Offset
Outlet Quantity:
Single Outlet(s)
Overall Length:
28 in. overall length
Product Fit:
May Require Minor Modification
Recommended Use:
Performance Replacement
Sound Level:
Mild

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
2001-2002 GMC Sierra 2500
SL
8 Cyl 6.0L
-
2001-2002 GMC Sierra 2500 HD
SL
8 Cyl 6.0L
-
2001-2002 GMC Sierra 2500 HD
SL
8 Cyl 8.1L
-
2001-2003 Chevrolet Silverado 1500 HD
LS
8 Cyl 6.0L
-
2001-2003 Chevrolet Silverado 1500 HD
LT
8 Cyl 6.0L
-
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Product Information

FLOWMASTER – 50 SERIES BIG BLOCK MUFFLERS

Flowmaster’s Big Block mufflers turn your big rig – truck, SUV or motorhome – into something a little more pleasant to drive, giving it a nice, quiet tone and significant boost in horsepower, torque and fuel economy. Flowmaster, known as ‘the exhaust technology company,’ is a leading manufacturer of high performance exhaust systems and respected for design, innovation and engineering.

  • Increases gas mileage, torque and horsepower
  • Backed by a lifetime warranty
  • Fully MIG-welded for maximum strength
  • Comes in stainless steel
  • Quick and easy installation
  • For large SUVs, big trucks, tow vehicles and motorhomes
  • Super quiet inside the cabin
  • Minimizes heat from the engine and vehicle wear-and-tear overall
  • Big resonance chamber keeps interior noise to a minimum
  • Dyno-tested
Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Customer Reviews

Muffler, Black
A+ Performance product
I use flowmaster products on all my vehicles simply because they are the best in my book. I like the sound and performance of the product.
Purchased on Dec 03, 2008