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GMC Sierra 2500 Exhaust Muffler Replacement

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  1. ✓ In Stock 1999-2000 GMC Sierra 2500 Exhaust Muffler (AP Exhaust)

    1999-2000 GMC Sierra 2500 Exhaust Muffler (AP Exhaust)

    Partslink #: 700303

    DIRECT FIT MSL/MAXIMUM Muffler

    $69.01 View part →
  2. ✓ In Stock 1999-2000 GMC Sierra 2500 Exhaust Muffler (Walker Exhaust)

    1999-2000 GMC Sierra 2500 Exhaust Muffler (Walker Exhaust)

    Partslink #: 17674

    Super Turbo System Exits in Rear on Either Side of License Plate Under 8600 (lb) Gross Vehicle Weight (GVW) with Dual Exhaust

    $97.25 View part →
  3. ✓ In Stock 1999-2000 GMC Sierra 2500 Exhaust Muffler (Dynomax)

    1999-2000 GMC Sierra 2500 Exhaust Muffler (Dynomax)

    Partslink #: 17223

    Round; 3 in. Inlet/Outlet; 6 in. H x 6 in. W x 16 in. Muffler L/21 in. Overall L; Center/Center; Reversible; Stainless Steel Under 8600 Gross Vehicle Weight~Ultra Flo Welded System~Single Exhaust

    $124.74 View part →
  4. ✓ In Stock 1999-2000 GMC Sierra 2500 Exhaust Muffler (Dynomax)

    1999-2000 GMC Sierra 2500 Exhaust Muffler (Dynomax)

    Partslink #: 17220

    Oval; 3.0 in. Inlet/Outlet; 4.5 in. H x 9.75 in. W x 14 in. Muffler L/19 in. Overall L; Center/Center; Reversible; Stainless Steel Super Turbo System~Single Exhaust~Under 8600 G.V.W. w/157.5 in. Wheelbase

    $128.74 View part →
  5. ✓ In Stock 1999-2004 GMC Sierra 2500 Exhaust Muffler (Dynomax)

    1999-2004 GMC Sierra 2500 Exhaust Muffler (Dynomax)

    Partslink #: 17674

    Universal; Oval; 4.25 in. x 9.75 in.; 3 in. And 2.5 in. ID; 13 in. Shell Length; 17 in Overall Length; No Flow Directors Under 8600 Gross Vehicle Weight~Dual Exhaust~Exits In Rear On Either Side Of License Plate

    $129.92 View part →
  6. ✓ In Stock 1999-2001 GMC Sierra 2500 Exhaust Muffler (AP Exhaust)

    1999-2001 GMC Sierra 2500 Exhaust Muffler (AP Exhaust)

    Partslink #: 700488

    DIRECT FIT MSL/MAXIMUM Muffler (Exc. HD Models); (2001 Federal Emissions) Exc. HD Models Federal Emissions

    $130.77 View part →
  7. ✓ In Stock 2004 GMC Sierra 2500 Exhaust Muffler (Walker Exhaust)

    2004 GMC Sierra 2500 Exhaust Muffler (Walker Exhaust)

    Partslink #: 27263

    with 2.5 (in) Muffler Inlet with Federal Emissions System Except Low Emission Vehicle (LEV) If welded assembly, replace all required parts with Small Diameter Muffler Use Reducer Bushing 41974 to connect with OE Converter Pipe

    $137.81 View part →
  8. ✓ In Stock 1999-2000 GMC Sierra 2500 Exhaust Muffler (Magnaflow)

    1999-2000 GMC Sierra 2500 Exhaust Muffler (Magnaflow)

    Partslink #: 11219

    Center/Center

    $146.00 View part →
  9. ✓ In Stock 2004 GMC Sierra 2500 Exhaust Muffler (Walker Exhaust)

    2004 GMC Sierra 2500 Exhaust Muffler (Walker Exhaust)

    Partslink #: 21533

    with 2.5 (in) Muffler Inlet with Federal Emissions System Except Low Emission Vehicle (LEV) If welded assembly, replace all required parts with Small Diameter Muffler Use Reducer Bushing 41974 to connect with OE Converter Pipe

    $160.94 View part →
  10. ✓ In Stock 1999-2000 GMC Sierra 2500 Exhaust Muffler (MagnaFlow Performance Exhaust)

    1999-2000 GMC Sierra 2500 Exhaust Muffler (MagnaFlow Performance Exhaust)

    Partslink #: 12198
    $162.00 View part →
  11. ✓ In Stock 1999-2000 GMC Sierra 2500 Exhaust Muffler (Magnaflow)

    1999-2000 GMC Sierra 2500 Exhaust Muffler (Magnaflow)

    Partslink #: 13288
    $162.00 View part →
  12. ✓ In Stock 1999-2000 GMC Sierra 2500 Exhaust Muffler (MagnaFlow Performance Exhaust)

    1999-2000 GMC Sierra 2500 Exhaust Muffler (MagnaFlow Performance Exhaust)

    Partslink #: 12649
    $162.00 View part →
  13. ✓ In Stock 1999-2000 GMC Sierra 2500 Exhaust Muffler (Magnaflow)

    1999-2000 GMC Sierra 2500 Exhaust Muffler (Magnaflow)

    Partslink #: 12198

    Single/Dual

    $162.00 View part →
  14. ✓ In Stock 1999-2000 GMC Sierra 2500 Exhaust Muffler (MagnaFlow Performance Exhaust)

    1999-2000 GMC Sierra 2500 Exhaust Muffler (MagnaFlow Performance Exhaust)

    Partslink #: 13288
    $162.00 View part →
  15. ✓ In Stock 1999-2000 GMC Sierra 2500 Exhaust Muffler (Magnaflow)

    1999-2000 GMC Sierra 2500 Exhaust Muffler (Magnaflow)

    Partslink #: 12649
    $162.00 View part →
  16. ✓ In Stock 1999-2000 GMC Sierra 2500 Exhaust Muffler (MagnaFlow Performance Exhaust)

    1999-2000 GMC Sierra 2500 Exhaust Muffler (MagnaFlow Performance Exhaust)

    Partslink #: 11219
    $181.91 View part →
  17. ✓ In Stock 1999-2004 GMC Sierra 2500 Exhaust Muffler (Dynomax)

    1999-2004 GMC Sierra 2500 Exhaust Muffler (Dynomax)

    Partslink #: 17228

    Oval; 3 in. Inlet/2.5 in. Outlet; 4.5 in. H x 9.75 in. W x 14 in. Muffler L/19 in. Overall Length; Center/Offset; Reversible; Stainless Steel Under 8600 Gross Vehicle Weight~Ultra Flo Welded System~Dual Exhaust~Exits In Rear On Either Side Of License Plate

    $187.25 View part →
  18. ✓ In Stock 1999-2004 GMC Sierra 2500 Exhaust Muffler (Dynomax)

    1999-2004 GMC Sierra 2500 Exhaust Muffler (Dynomax)

    Partslink #: 17519

    Universal; Oval; 3 in. Inlet/2.5 in. Outlet; 4.25 in. H x 9.75 in. W x 14 in. Muffler L/19 in. Overall L; Center/Offset; Reversible; Stainless Steel Under 8600 Gross Vehicle Weight

    $189.33 View part →
  19. ✓ In Stock 1999-2002 GMC Sierra 2500 Exhaust Muffler (Walker Exhaust)

    1999-2002 GMC Sierra 2500 Exhaust Muffler (Walker Exhaust)

    Partslink #: 21437

    with 2.5 (in) Muffler Inlet If welded assembly, modifications and/or additional parts may be required. with Small Diameter Muffler Use Reducer Bushing 41965 to connect with OE Converter Pipe

    $194.30 View part →
  20. ✓ In Stock 1999-2000 GMC Sierra 2500 Exhaust Muffler (Walker Exhaust)

    1999-2000 GMC Sierra 2500 Exhaust Muffler (Walker Exhaust)

    Partslink #: 17228

    Ultra Flo Welded System Exits in Rear on Either Side of License Plate Under 8600 (lb) Gross Vehicle Weight (GVW) with Dual Exhaust

    $200.31 View part →
  21. ✓ In Stock 1999-2000 GMC Sierra 2500 Exhaust Muffler (MagnaFlow Performance Exhaust)

    1999-2000 GMC Sierra 2500 Exhaust Muffler (MagnaFlow Performance Exhaust)

    Partslink #: 14221
    $208.00 View part →
  22. ✓ In Stock 1999-2000 GMC Sierra 2500 Exhaust Muffler (Magnaflow)

    1999-2000 GMC Sierra 2500 Exhaust Muffler (Magnaflow)

    Partslink #: 14221
    $208.00 View part →
  23. ✓ In Stock 1999-2000 GMC Sierra 2500 Exhaust Muffler (Dynomax)

    1999-2000 GMC Sierra 2500 Exhaust Muffler (Dynomax)

    Partslink #: 17296

    Universal; Round; 3.0 in. Inlet/Outlet; 6 in. H x 6 in. W x 16 in. Muffler L/20 in. Overall L; Center/Center; Reversible; Stainless Steel Under 8600 Gross Vehicle Weight

    $239.34 View part →
  24. ✓ In Stock 1999-2000 GMC Sierra 2500 Exhaust Muffler (Dynomax)

    1999-2000 GMC Sierra 2500 Exhaust Muffler (Dynomax)

    Partslink #: 17673

    Universal; Oval; 5.5 in. x 11 in.; Large Body; 3 in. ID; 16 in. Shell Length; 20 in. Overall Length Under 8600 Gross Vehicle Weight~Super Turbo System~Single Exhaust

    $320.91 View part →
  25. ✓ In Stock 2001-2004 GMC Sierra 2500 Exhaust Muffler (Flowmaster)

    2001-2004 GMC Sierra 2500 Exhaust Muffler (Flowmaster)

    Partslink #: 530513

    3.0 in. Dual Inlet/3.5 in. Offset Outlet; Case Dimensions 5 in. x 12 in. x 22 in.; 28 in. Overall Length; Aluminized Steel Not Direct Fit-Some Adaptation Required

    $369.39 View part →
  26. ✓ In Stock 2001-2004 GMC Sierra 2500 Exhaust Muffler (Flowmaster)

    2001-2004 GMC Sierra 2500 Exhaust Muffler (Flowmaster)

    Partslink #: 853558

    3.5 in. Offset In; 3.5 in. Offset Out; 409 Stainless Steel; Moderate Sound

    $373.10 View part →
  27. ✓ In Stock 2003-2004 GMC Sierra 2500 Exhaust Muffler (AP Exhaust)

    2003-2004 GMC Sierra 2500 Exhaust Muffler (AP Exhaust)

    Partslink #: W0133-2968006

    Extended Cab, Calif, LEV, Short Bed, Inc. Exhaust Pipe, Muffler, Converter & Tail Pipe

    $374.13 View part →

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Exhaust Muffler Compatibility for GMC Sierra 2500

Browse our selection of quality exhaust muffler parts designed specifically for your GMC Sierra 2500. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

Base · SL · SLE · SLT · WT

Body Types

Cab & Chassis · Crew Cab Pickup · Extended Cab Pickup · Standard Cab Pickup

Engine Options

V8 5.3L · V8 6.0L

Transmissions

Automatic · Manual

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