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GMC Sierra 2500 Muffler

We have 6 Items In-stock. Select a year to continue.
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GMC Sierra 2500 Muffler, Kool Vue Muffler - Polished, Stainless Steel, Direct Fit

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$57.39 $87.18 You Save $29.79 (34%)
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KOOL VUE HIGH PERFORMANCE MUFFLER, STAINLESS STEEL, POLISHED

Looking for a high performance muffler? KOOL VUE mufflers offer a selection that improves your vehicle's performance and at the same time dramatically decreases its noise. It also produces an aggressive but cool tone from the inside – something to be proud of when you are in the streets.

Features and Specifications:
  • Round casing
  • Single center inlet and outlet configuration
  • 2.25 in. inlet diameter; 4 in. outlet diameter
  • 13.75 in. length x 6 in. width x 6 in. height; 17.5 in. overall length

Benefits:
  • Improves vehicle's performance
  • Dramatically decreases the noise
  • Stainless steel material for extended durability and longer life


  • Brand SKU#: Kool Vue KV150102
  • Material: Stainless Steel
  • Color/Finish: Polished
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Mild
  • Recommended Use: Performance
  • Anticipated Ship Out Time: Same day - 1 business day
  • Attachment Style: Clamp-On
  • Body Length: 13.75 in.
  • Case Shape: Round
  • Height: 6 in.
  • Inlet Location: Center
  • Inlet Quantity: Single
  • Inlet Size: 2.25 in.
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 4 in.
  • Overall Length: 17.5 in.
  • Tip Diameter: 4 in.
  • Tip Finish: Polished
  • Tip Material: Stainless Steel
  • Warranty: 1-year Kool Vue limited warranty
  • Width: 6 in.
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Fits the following GMC Sierra 2500 Years

  • 1999-2000 | SL | 8 Cyl 5.3L
  • 1999-2000 | SLE | 8 Cyl 5.3L
  • 1999-2000 | SLT | 8 Cyl 5.3L
  • 1999-2002 | SL | 8 Cyl 6.0L
  • 1999-2004 | SLE | 8 Cyl 6.0L
  • 1999-2004 | SLT | 8 Cyl 6.0L
  • 2002-2004 | Base | 8 Cyl 6.0L
  • 2003-2004 | WT | 8 Cyl 6.0L
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GMC Sierra 2500 Muffler, Flowmaster 50 Series Big Block Muffler - Gray, Aluminized Steel, Minor Modifications

$192.02 $251.01 You Save $58.99 (24%)
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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
  • Brand SKU#: Flowmaster 530513
  • Series: Flowmaster 50 Series Big Block
  • Material: Aluminized Steel
  • Color/Finish: Gray
  • Product Fit: Minor Modifications
  • Quantity Sold: Sold Individually
  • Sound Level: Mild
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On or Weld-On (Recommended)
  • Body Length: 22 in.
  • Case Shape: Oval
  • Height: 5 in.
  • Inlet Location: Center (Dual)
  • Inlet Quantity: Dual
  • Inlet Size: 3 in.
  • Internal Construction: Chambered
  • Outlet Location: Offset
  • Outlet Quantity: Single
  • Outlet Size: 3.5 in.
  • Overall Length: 28 in.
  • Warranty: 3-year Flowmaster limited warranty
  • Width: 12 in.
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Fits the following GMC Sierra 2500 Years

  • 2001-2003 | All Submodels | All Engines
  • 2004 | Base | All Engines
  • 2004 | SLE | All Engines
  • 2004 | SLT | All Engines
  • 2004 | WT | All Engines
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GMC Sierra 2500 Muffler, Thrush Turbo Muffler - Natural, Aluminized Steel, Universal

Best Seller
$39.49 $61.18 You Save $21.69 (35%)
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Availability: In Stock
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THRUSH – TURBO MUFFLERS

Thrush makes a wide selection of mufflers with a choice of sizes and inlet/outlet positions to make sure you get the right fitting muffler for your ride. Thrush Turbo Mufflers have the classic Thrush sound and have a tested reverse flow design. Thrush Mufflers was founded almost 50 years ago during a time when hot rods and muscle cars ruled the streets of America. Fast forward to today and Thrush Mufflers are still the preferred muffler of muscle car and hot rod owners across the land. Be assured that when installing a Thrush Muffler you will get an aggressive and powerful sounding exhaust tone, hence Thrush’s motto; “Vintage Sound…Today’s Power.”

  • Available in 2.25 inch, 2.5 inch and 3 inch inlets and outlets
  • Available muffler shell sizes from 11 inches to 20 inches
  • Made of 100 % aluminized steel
  • Completely reversible for Flexibility during installation
  • Classic Thrush sound
  • Does not void your vehicle’s factory warranty
  • Reverse flow design
  • Brand SKU#: Thrush 17715
  • Series: Thrush Turbo
  • Material: Aluminized Steel
  • Color/Finish: Natural
  • Product Fit: Universal
  • Quantity Sold: Sold Individually
  • Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Weld-On
  • Body Length: 14 in.
  • Case Shape: Oval
  • Height: 4.25 in.
  • Inlet Location: Offset
  • Inlet Quantity: Single
  • Inlet Size: 2.5 in.
  • Internal Construction: Tri-Flow
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 2.5 in.
  • Overall Length: 18.5 in.
  • Warranty: Lifetime Thrush limited warranty
  • Width: 9.75 in.
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Fits the following GMC Sierra 2500 Years

  • 1999-2000 | SL | 8 Cyl 5.3L
  • 1999-2000 | SLE | 8 Cyl 5.3L
  • 1999-2000 | SLT | 8 Cyl 5.3L
  • 1999-2002 | SL | 8 Cyl 6.0L
  • 1999-2004 | SLE | 8 Cyl 6.0L
  • 1999-2004 | SLT | 8 Cyl 6.0L
  • 2002-2004 | Base | 8 Cyl 6.0L
  • 2003-2004 | WT | 8 Cyl 6.0L
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GMC Sierra 2500 Muffler, Dynomax Super Turbo Muffler - Natural, Aluminized Steel, Direct Fit

Best Seller
$77.15 $165.18 You Save $88.03 (53%)
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Availability: In Stock
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DYNOMAX – SUPER TURBO MUFFLERS

Custom car, muscle car and hot rod owners insist on installing Dynomax Super Turbo Mufflers to give their high-powered traditionally aggressive sounding vehicles a mellower tone. Dynomax Super Turbo Mufflers are available in a wide selection of inlet/outlet positions and different sizes to get a perfect fit for your vehicle. Dynomax is a world leader in the performance exhaust space, manufacturing products held to the highest engineering standards and backed by extensive research and development.

  • Available in wide choice of inlet and outlet sizes
  • Made of 100 % aluminized steel
  • Mellow but sporty exhaust tone
  • Does not void your vehicle’s factory warranty
  • Minimizes backpressure with large internal tubes
  • Up to 700 SCFM flow, (dyno tested) 
  • Brand SKU#: Dynomax 17674
  • Series: Dynomax Super Turbo
  • Material: Aluminized Steel
  • Color/Finish: Natural
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Weld-On
  • Body Length: 13 in.
  • Case Shape: Oval
  • Height: 4.25 in.
  • Inlet Location: Center
  • Inlet Quantity: Single
  • Inlet Size: 3 in.
  • Internal Construction: Turbo
  • Outlet Location: Offset
  • Outlet Quantity: Dual
  • Outlet Size: 2.5 in.
  • Overall Length: 17 in.
  • Warranty: Lifetime Dynomax limited warranty
  • Width: 9.75 in.
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Fits the following GMC Sierra 2500 Years

  • 1999-2000 | SL | 8 Cyl 5.3L
  • 1999-2000 | SLE | 8 Cyl 5.3L
  • 1999-2000 | SLT | 8 Cyl 5.3L
  • 2003-2004 | All Submodels | All Engines
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GMC Sierra 2500 Muffler, Walker Muffler - Natural, Stainless Steel, Direct Fit

$191.29 $387.60 You Save $196.31 (51%)
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Availability: In Stock
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WALKER – QUIET-FLOW SS MUFFLERS

Upgrade your exhaust system and tone with the sturdy, enhanced design of Walker’s Quiet-Flow SS mufflers. Established in 1908, Walker is renowned in the automotive aftermarket for manufacturing a full line of exhaust system parts.

  • Designed with OE-quality louvered tube technology for exhaust tone optimization
  • Made with sturdy stainless steel for enduring performance
  • Heads are securely spun-locked to prevent breakage
  • Strengthened by interior spot welds, partitions and bridge construction
  • Internal tubes connected to free-floating partition to permit expansion and contraction
  • Includes CRF (Continuous Roving Fiberglass) for enhancement of sound
  • Internal drainage system prevents acid build-up at muffler heads and between partitions
  • Brand SKU#: Walker 21576
  • Material: Stainless Steel
  • Color/Finish: Natural
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Stock
  • Recommended Use: OE Replacement
  • Anticipated Ship Out Time: Same day - 1 business day
  • Case Shape: Oval
  • Inlet Quantity: Dual
  • Inlet Size: 3 in.
  • Outlet Location: Offset
  • Outlet Quantity: Single
  • Outlet Size: 3 in.
  • Warranty: Lifetime Walker limited warranty
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Fits the following GMC Sierra 2500 Years

  • 1999-2002 | SL | 8 Cyl 6.0L
  • 1999-2004 | SLE | 8 Cyl 6.0L
  • 1999-2004 | SLT | 8 Cyl 6.0L
  • 2002 | Base | 8 Cyl 6.0L
  • 2003 | Base | 8 Cyl 6.0L
  • 2003 | SLE | 8 Cyl 6.0L
  • 2003 | SLT | 8 Cyl 6.0L
  • 2003 | WT | 8 Cyl 6.0L
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GMC Sierra 2500 Muffler, Banks Monster Muffler - Polished, Stainless Steel, Direct Fit

$322.00 $379.96 You Save $57.96 (15%)
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Availability: In Stock
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BANKS MONSTER MUFFLER

Banks Monster muffler features exclusive expansion chamber design that dissipates annoying mid-range drone. Flows up to 201 percent better than stock and it delivers an authoritative but never overpowering exhaust sound.

Specifications:

  • Single center inlet and outlet configuration
  • 4 in. inlet diameter
  • 4 in. outlet diameter
  • Moderate sound level
  • Round body shape
  • Brand SKU#: Banks 53800
  • Series: Banks Monster
  • Material: Stainless Steel
  • Color/Finish: Polished
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Sound Level: Moderate
  • Recommended Use: Performance
  • Anticipated Ship Out Time: 1-2 Business Days
  • Attachment Style: Clamp-On
  • Case Shape: Round
  • Inlet Location: Center
  • Inlet Quantity: Single
  • Inlet Size: 4 in.
  • Internal Construction: Straight-Through
  • Outlet Location: Center
  • Outlet Quantity: Single
  • Outlet Size: 4 in.
  • Warranty: 5-year Banks limited warranty
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Fits the following GMC Sierra 2500 Years

  • 2001-2004 | All Submodels | All Engines

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