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Replacement and OEM Parts for GMC Muffler
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GMC Muffler

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Exhaust Manifolds, Pipes & Mufflers
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  • OEM GMC Muffler W/Tailpipe Diagram - 84229608
    View Related Parts

    OEM (Genuine) GMC Muffler W/Tailpipe

    PartNumber: 84229608
    OEM GMC Muffler W/Tailpipe - 84229608
    Product Specifications
    • Item Dimensions: 109.7 x 23.4 x 13.7 inches
    • Fitment Type: Direct Replacement
    • Replaced by: 85516773
    • Part Description: GMC Muffler W/Tailpipe
    More Info
    $920.13 MSRP: $1388.13
    You Save: $468.00 (34%)
  • Walker Quiet Flow Stainless Steel Oval Bare Exhaust Muffler And Pipe Assembly for GMC - 21759

    Walker® Quiet Flow Stainless Steel Oval Bare Exhaust Muffler And Pipe Assembly for GMC

    PartNumber: 21759
    Product Specifications
    • Body Height: 7.500
    • Body Length: 25.000
    • Body Material: Stainless Steel
    • Body Width: 9.500
    • Finish: Natural
    • Grade Type: Regular
    • Inlet 1 Outside Diameter: 2.750
    • Inlet 1 Type: 2 Bolt Welded Flange
    • Inlet Configuration: Offset
    • Internet Product Code (IPC): A9A5350B747
    • Item has MSDS (SDS): N
    • Max Year Covered: 2017
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21759
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2009
    • Most Popular Make / Model: Chevrolet Express 2500
    • Most Popular Year: 2014
    • Muffler Body Height: 7.5
    • Muffler Body Length: 25.0
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 9.5
    • Muffler Color / Finish: Bare
    • Muffler Inlet: Offset
    • Muffler Inlet Connection Type: 2-Bolt Welded Flange
    • Muffler Inlet Count: 1
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.75
    • Muffler Outlet Diameter Designation: Outside Diameter
    • Muffler Overall Length: 33.5
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Outside Diameter: 2.750
    • Outlet Configuration: Offset
    • Overall Length: 33.500
    • Product Grade: Economy
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 677075
    • UPC: 086387217590
    • Part Description: GMC Quiet Flow Stainless Steel Oval Bare Exhaust Muffler And Pipe Assembly
    More Info
    $137.47
  • OEM GMC Muffler W/Tailpipe Diagram - 23442413
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    OEM (Genuine) GMC Muffler W/Tailpipe

    PartNumber: 23442413
    OEM GMC Muffler W/Tailpipe - 23442413
    Product Specifications
    • Other Names: Muffler, Muffler W/Tailpipe
    • Item Dimensions: 87.8 x 46.5 x 13.7 inches
    • Item Weight: 43.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20923156, 20960980, 20870818
    • Part Description: GMC Muffler W/Tailpipe
    More Info
    $770.18 MSRP: $1161.90
    You Save: $391.72 (34%)
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC - 21368

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC

    PartNumber: 21368
    Product Specifications
    • Body Height: 7.000
    • Body Length: 21.000
    • Body Material: Stainless Steel
    • Body Width: 9.000
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Type: 2 Bolt Welded Flange
    • Inlet Configuration: Offset
    • Inlet Offset: 2.625
    • Internet Product Code (IPC): 55D16AF399B
    • Item has MSDS (SDS): N
    • Max Year Covered: 2002
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21368
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1998
    • Most Popular Make / Model: Chevrolet Express 2500
    • Most Popular Year: 2000
    • Muffler Body Height: 7.0
    • Muffler Body Length: 21.0
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 9.0
    • Muffler Color / Finish: Bare
    • Muffler Inlet: Offset
    • Muffler Inlet Connection Type: 2-Bolt Welded Flange
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 0.0
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Outside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.75
    • Muffler Outlet Diameter Designation: Outside Diameter
    • Muffler Overall Length: 38.75
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Outside Diameter: 2.750
    • Outlet Configuration: Offset
    • Overall Length: 38.750
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 129437
    • Universal Or Specific Fit: Specific
    • UPC: 086387213684
    • Part Description: GMC Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    $152.52
  • OEM GMC Muffler & Pipe Diagram - 84665239
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    OEM (Genuine) GMC Muffler & Pipe

    PartNumber: 84665239
    OEM GMC Muffler & Pipe - 84665239
    Product Specifications
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 123.2 x 19.9 x 12.4 inches
    • Item Weight: 48.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 23219681, 23226907, 84327963, 23310248, 23377839, 23385910, 84053742
    • Replaced by: 85052294
    • Part Description: GMC Muffler & Pipe
    More Info
    $605.07 MSRP: $912.82
    You Save: $307.75 (34%)
  • Walker Quiet Flow Passenger Side Stainless Steel Oval Aluminized Exhaust Muffler And Pipe Assembly for GMC - 53830

    Walker® Quiet Flow Passenger Side Stainless Steel Oval Aluminized Exhaust Muffler And Pipe Assembly for GMC

    PartNumber: 53830
    Product Specifications
    • Inlet Connection Type: Pipe Connection
    • Inlet Diameter Designation: Inside Diameter
    • Inlet Quantity: 1
    • Item Grade: Standard Replacement
    • Muffler Body Finish: Aluminized
    • Muffler Body Height: 4.25"
    • Muffler Body Length: 13"
    • Muffler Body Material: Stainless Steel
    • Muffler Body Shape: Oval
    • Muffler Body Width: 9.75"
    • Muffler Inlet Diameter: 2"
    • Muffler Inlet-Outlet Configuration: Offset - Center
    • Muffler Outlet Diameter: 2.25"
    • Muffler Overall Length: 29.375"
    • Muffler Reversibility: No
    • Muffler Series: Quiet-Flow™
    • Muffler Type: Combination
    • Outlet Connection Type: Tip - Welded Spout
    • Outlet Diameter Designation: Outside Diameter
    • Outlet Quantity: 2
    • Part Description: GMC Quiet Flow Passenger Side Stainless Steel Oval Aluminized Exhaust Muffler And Pipe Assembly
    More Info
    $123.27
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC - 21367

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC

    PartNumber: 21367
    Product Specifications
    • Body Height: 7.000
    • Body Length: 21.000
    • Body Material: Stainless Steel
    • Body Width: 9.000
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Type: 3 Bolt Welded Flange
    • Inlet 2 Inside Diameter: 3.000
    • Inlet 2 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 2.625
    • Internet Product Code (IPC): 56CF2CB2DC5
    • Item has MSDS (SDS): N
    • Max Year Covered: 2000
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21367
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1996
    • Most Popular Make / Model: Chevrolet Express 3500
    • Most Popular Year: 1999
    • Muffler Body Height: 7.0
    • Muffler Body Length: 21.0
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 9.0
    • Muffler Color / Finish: Bare
    • Muffler Inlet: Offset
    • Muffler Inlet Connection Type: 1 Pipe Connection & 1 Welded Flange
    • Muffler Inlet Count: 2
    • Muffler Inlet Diameter (in): 3.0
    • Muffler Inlet Diameter 2 (in): 2.75
    • Muffler Inlet Diameter Designation: Outside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.75
    • Muffler Outlet Diameter Designation: Outside Diameter
    • Muffler Overall Length: 39.7999
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Outside Diameter: 2.750
    • Outlet Configuration: Offset
    • Overall Length: 39.875
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 161679
    • Universal Or Specific Fit: Specific
    • UPC: 086387213677
    • Part Description: GMC Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    $137.85
  • OEM GMC Center Muffler Diagram - 22739326
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    OEM (Genuine) GMC Center Muffler

    PartNumber: 22739326
    OEM GMC Center Muffler - 22739326
    Product Specifications
    • Other Names: Center Muffler, Diesel Particulate Filter
    • Item Dimensions: 139.7 x 27.6 x 14.4 inches
    • Item Weight: 33.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Center Muffler
    More Info
    $2095.60 MSRP: $3148.76
    You Save: $1053.16 (34%)
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC - 21551

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC

    PartNumber: 21551
    Product Specifications
    • Automotive Item Grade: OEM Standard Part
    • Inlet - Outlet Configuration: Offset Inlet - Offset Outlet
    • Inlet Connection Type: 1 Pipe Connection and 1 Welded Flange
    • Inlet Diameter Designation: Outside Diameter
    • Inlet Quantity: 2 Inlets
    • Muffler Body Finish: Aluminized
    • Muffler Body Height: 7"
    • Muffler Body Length: 24"
    • Muffler Body Material: Stainless Steel
    • Muffler Body Shape: Oval
    • Muffler Body Width: 9"
    • Muffler Inlet Diameter: 3"
    • Muffler Outlet Diameter: 2.625"
    • Muffler Overall Length: 39.75"
    • Muffler Reversible: No
    • Muffler Series: Quiet-Flow™
    • Muffler Type: Combination
    • Outlet Connection Type: Pipe Connection
    • Outlet Diameter Designation: Inside Diameter
    • Outlet Quantity: 1 Outlet
    • Part Description: GMC Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    $135.41
  • OEM GMC Muffler & Pipe Diagram - 84665236
    View Related Parts

    OEM (Genuine) GMC Muffler & Pipe

    PartNumber: 84665236
    OEM GMC Muffler & Pipe - 84665236
    Product Specifications
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 23.6 x 126.0 x 13.0 inches
    • Item Weight: 49.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 23377842, 23487119, 84327965, 84053744, 20757703, 23239259, 23219691, 84020522
    • Part Description: GMC Muffler & Pipe
    More Info
    $669.58 MSRP: $1010.14
    You Save: $340.56 (34%)
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler And Pipe Assembly for GMC - 50072

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler And Pipe Assembly for GMC

    PartNumber: 50072
    Product Specifications
    • Body Height: 5.500
    • Body Length: 27.000
    • Body Material: Stainless Steel
    • Body Width: 11.000
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 2.250
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Body Side
    • Internet Product Code (IPC): 81E51E26951
    • Item has MSDS (SDS): N
    • Max Year Covered: 2017
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 50072
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2010
    • Most Popular Make / Model: Chevrolet Equinox
    • Most Popular Year: 2015
    • Muffler Body Height: 5.5
    • Muffler Body Length: 27
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 11
    • Muffler Color / Finish: Aluminized
    • Muffler Inlet: Body Side
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 2.25
    • Muffler Inlet Diameter Designation: Inside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Tip - Bumper Exit
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.25
    • Muffler Outlet Diameter Designation: Outside Diameter
    • Muffler Overall Length: 43.1875
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Outside Diameter: 2.250
    • Outlet Configuration: Offset
    • Overall Length: 43.125
    • Product Grade: Economy
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 2175838
    • UPC: 086387500722
    • Part Description: GMC Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler And Pipe Assembly
    More Info
    $124.74
  • OEM GMC Muffler & Pipe Diagram - 23363062
    View Related Parts

    OEM (Genuine) GMC Muffler & Pipe

    PartNumber: 23363062
    OEM GMC Muffler & Pipe - 23363062
    Product Specifications
    • Other Names: Muffler
    • Item Dimensions: 82.4 x 12.6 x 12.2 inches
    • Item Weight: 42.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 94779906
    • Part Description: GMC Muffler & Pipe
    More Info
    $519.52 MSRP: $783.76
    You Save: $264.24 (34%)
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC - 21554

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC

    PartNumber: 21554
    Product Specifications
    • Automotive Item Grade: OEM Standard Part
    • Inlet - Outlet Configuration: Offset Inlet - Offset Outlet
    • Inlet Connection Type: 2 Bolt Welded Flange
    • Inlet Diameter Designation: Inside Diameter
    • Inlet Quantity: 1 Inlet
    • Muffler Body Finish: Aluminized
    • Muffler Body Height: 7"
    • Muffler Body Length: 25"
    • Muffler Body Material: Stainless Steel
    • Muffler Body Shape: Oval
    • Muffler Body Width: 9"
    • Muffler Inlet Diameter: 2.625"
    • Muffler Outlet Diameter: 2.625"
    • Muffler Overall Length: 31.6875"
    • Muffler Reversible: No
    • Muffler Series: Quiet-Flow™
    • Muffler Type: Combination
    • Outlet Connection Type: Pipe Connection
    • Outlet Diameter Designation: Inside Diameter
    • Outlet Quantity: 1 Outlet
    • Part Description: GMC Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    $107.10
  • OEM GMC Exhaust Muffler Diagram - 12479984
    View Related Parts

    OEM (Genuine) GMC Exhaust Muffler

    PartNumber: 12479984
    OEM GMC Exhaust Muffler - 12479984
    Product Specifications
    • Other Names: Muffler, Muffler W/Tailpipe
    • Item Dimensions: 5.8 x 46.7 x 11.8 inches
    • Item Weight: 26.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Exhaust Muffler
    More Info
    $256.72 MSRP: $365.79
    You Save: $109.07 (30%)
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC - 21421

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC

    PartNumber: 21421
    Product Specifications
    • Body Height: 5.500
    • Body Length: 27.000
    • Body Material: Stainless Steel
    • Body Width: 11.000
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Type: 2 Bolt Welded Flange
    • Inlet Configuration: Center
    • Internet Product Code (IPC): E7AE6F91E03
    • Item has MSDS (SDS): N
    • Max Year Covered: 2005
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21421
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2002
    • Most Popular Make / Model: Chevrolet Trailblazer EXT
    • Most Popular Year: 2004
    • Muffler Body Height: 5.5
    • Muffler Body Length: 27.0
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 11.0
    • Muffler Color / Finish: Bare
    • Muffler Inlet: Centered
    • Muffler Inlet Connection Type: 2-Bolt Welded Flange
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 0.0
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Outside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.5
    • Muffler Outlet Diameter Designation: Inside Diameter
    • Muffler Overall Length: 44.38
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Inside Diameter: 2.500
    • Outlet Configuration: Offset
    • Overall Length: 44.380
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 293331
    • Universal Or Specific Fit: Specific
    • UPC: 086387214216
    • Part Description: GMC Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    $116.17
  • OEM GMC Muffler & Pipe Diagram - 84364855
    View Related Parts

    OEM (Genuine) GMC Muffler & Pipe

    PartNumber: 84364855
    OEM GMC Muffler & Pipe - 84364855
    Product Specifications
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 124.6 x 58.2 x 10.0 inches
    • Fitment Type: Direct Replacement
    • Replaces: 84283699, 84902990, 84205376
    • Part Description: GMC Muffler & Pipe
    More Info
    $811.63 MSRP: $1224.44
    You Save: $412.81 (34%)
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC - 21409

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC

    PartNumber: 21409
    Product Specifications
    • Body Height: 5.500
    • Body Length: 27.000
    • Body Material: Stainless Steel
    • Body Width: 11.000
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Type: 2 Bolt Welded Flange
    • Inlet Configuration: Center
    • Internet Product Code (IPC): 7207BC74A12
    • Item has MSDS (SDS): N
    • Max Year Covered: 2005
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21409
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2002
    • Most Popular Make / Model: Chevrolet Trailblazer
    • Most Popular Year: 2004
    • Muffler Body Height: 5.5
    • Muffler Body Length: 27.0
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 11.0
    • Muffler Color / Finish: Bare
    • Muffler Inlet: Centered
    • Muffler Inlet Connection Type: 2-Bolt Welded Flange
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 0.0
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Outside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.5
    • Muffler Outlet Diameter Designation: Inside Diameter
    • Muffler Overall Length: 38.42
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Inside Diameter: 2.500
    • Outlet Configuration: Offset
    • Overall Length: 38.420
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 876898
    • Universal Or Specific Fit: Specific
    • UPC: 086387214094
    • Part Description: GMC Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    $96.94
  • OEM GMC Muffler Diagram - 84665238
    View Related Parts

    OEM (Genuine) GMC Muffler

    PartNumber: 84665238
    OEM GMC Muffler - 84665238
    Product Specifications
    • Other Names: Muffler
    • Item Dimensions: 100.7 x 20.4 x 11.9 inches
    • Item Weight: 43.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 23310252, 23226906, 23377840, 20757680, 23219680, 84053741, 23385911, 84327962
    • Replaced by: 85052293
    • Part Description: GMC Muffler
    More Info
    $581.56 MSRP: $877.36
    You Save: $295.80 (34%)
  • OEM GMC Muffler W/Tailpipe Diagram - 84383053
    View Related Parts

    OEM (Genuine) GMC Muffler W/Tailpipe

    PartNumber: 84383053
    OEM GMC Muffler W/Tailpipe - 84383053
    Product Specifications
    • Item Dimensions: 95.9 x 23.3 x 13.9 inches
    • Item Weight: 38.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 84100803
    • Part Description: GMC Muffler W/Tailpipe
    More Info
    $1807.52 MSRP: $2713.62
    You Save: $906.10 (34%)
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC - 21282

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC

    PartNumber: 21282
    Product Specifications
    • Body Height: 7.000
    • Body Length: 24.000
    • Body Material: Stainless Steel
    • Body Width: 9.000
    • Exhaust Component Mount Type: No Mounts
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 2.000
    • Inlet 1 Type: Pipe Connection
    • Inlet 2 Inside Diameter: 2.000
    • Inlet 2 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 2.625
    • Internet Product Code (IPC): D02AEA19714
    • Item has MSDS (SDS): N
    • Max Year Covered: 1999
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21282
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1996
    • Most Popular Make / Model: Chevrolet K1500
    • Most Popular Year: 1998
    • Muffler Body Height: 7.0
    • Muffler Body Length: 24.0
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 9.0
    • Muffler Color / Finish: Bare
    • Muffler Inlet: Offset
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 2
    • Muffler Inlet Diameter (in): 2.0
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Inside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.75
    • Muffler Outlet Diameter Designation: Outside Diameter
    • Muffler Overall Length: 29.0
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Outside Diameter: 2.750
    • Outlet Configuration: Offset
    • Overall Length: 29.000
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 715545
    • Universal Or Specific Fit: Specific
    • UPC: 086387212823
    • Part Description: GMC Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    $98.55
  • Walker Quiet Flow Stainless Steel Oval Bare Exhaust Muffler for GMC - 21684

    Walker® Quiet Flow Stainless Steel Oval Bare Exhaust Muffler for GMC

    PartNumber: 21684
    Product Specifications
    • Body Height: 6.000
    • Body Length: 25.000
    • Body Material: Stainless Steel
    • Body Width: 11.500
    • Exhaust Component Mount Type: No Mounts
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 3.000
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 3.5
    • Internet Product Code (IPC): BA13F4B6FD2
    • Item has MSDS (SDS): N
    • Max Year Covered: 2010
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21684
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2007
    • Most Popular Make / Model: GMC Yukon
    • Most Popular Year: 2007
    • Muffler Body Height: 6.0
    • Muffler Body Length: 25.0
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 11.5
    • Muffler Color / Finish: Bare
    • Muffler Inlet: Offset
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 3.0
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Inside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 3.0
    • Muffler Outlet Diameter Designation: Inside Diameter
    • Muffler Overall Length: 30.0
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Inside Diameter: 3.000
    • Outlet Configuration: Offset
    • Overall Length: 30.000
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 306480
    • Universal Or Specific Fit: Specific
    • UPC: 086387216845
    • Part Description: GMC Quiet Flow Stainless Steel Oval Bare Exhaust Muffler
    More Info
    $119.03
  • OEM GMC Muffler & Pipe Diagram - 25811684
    View Related Parts

    OEM (Genuine) GMC Muffler & Pipe

    PartNumber: 25811684
    OEM GMC Muffler & Pipe - 25811684
    Product Specifications
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 123.4 x 27.7 x 18.1 inches
    • Item Weight: 59.90 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Muffler & Pipe
    More Info
    $903.01 MSRP: $1362.29
    You Save: $459.28 (34%)
  • Walker Quiet Flow Steel Oval Aluminized Exhaust Muffler for GMC - 21522

    Walker® Quiet Flow Steel Oval Aluminized Exhaust Muffler for GMC

    PartNumber: 21522
    Product Specifications
    • Body Height: 5.500
    • Body Length: 20.000
    • Body Material: Stainless Steel
    • Body Width: 11.000
    • Exhaust Component Mount Type: No Mounts
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 3.000
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 3.5
    • Internet Product Code (IPC): 6E97125578E
    • Item has MSDS (SDS): N
    • Max Year Covered: 2007
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21522
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2001
    • Most Popular Make / Model: Chevrolet Silverado 2500 HD
    • Most Popular Year: 2005
    • Muffler Body Height: 5.5
    • Muffler Body Length: 20.0
    • Muffler Body Material: Steel
    • Muffler Body Width: 11.0
    • Muffler Color / Finish: Aluminized
    • Muffler Inlet: Offset
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 3.0
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Inside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 3.0
    • Muffler Outlet Diameter Designation: Inside Diameter
    • Muffler Overall Length: 27.0
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Inside Diameter: 3.000
    • Outlet Configuration: Offset
    • Overall Length: 27.000
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 702129
    • Universal Or Specific Fit: Specific
    • UPC: 086387215220
    • Part Description: GMC Quiet Flow Steel Oval Aluminized Exhaust Muffler
    More Info
    $112.38
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC - 21302

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC

    PartNumber: 21302
    Product Specifications
    • Body Height: 5.500
    • Body Length: 20.000
    • Body Material: Stainless Steel
    • Body Width: 11.000
    • Exhaust Component Mount Type: No Mounts
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 2.500
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 3.5
    • Internet Product Code (IPC): F2DAA65A259
    • Item has MSDS (SDS): N
    • Max Year Covered: 2004
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21302
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1996
    • Most Popular Make / Model: Chevrolet S10
    • Most Popular Year: 2000
    • Muffler Body Height: 5.5
    • Muffler Body Length: 20.0
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 11.0
    • Muffler Color / Finish: Bare
    • Muffler Inlet: Offset
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 2.5
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Inside Diameter
    • Muffler Outlet: Centered
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.25
    • Muffler Outlet Diameter Designation: Inside Diameter
    • Muffler Overall Length: 24.0
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Inside Diameter: 2.250
    • Outlet Configuration: Center
    • Overall Length: 24.000
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 492254
    • Universal Or Specific Fit: Specific
    • UPC: 086387213028
    • Part Description: GMC Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    $102.89
  • OEM GMC Muffler & Pipe Diagram - 25878015
    View Related Parts

    OEM (Genuine) GMC Muffler & Pipe

    PartNumber: 25878015
    OEM GMC Muffler & Pipe - 25878015
    Product Specifications
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 104.6 x 16.9 x 13.7 inches
    • Item Weight: 113.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15839098
    • Part Description: GMC Muffler & Pipe
    More Info
    $814.58 MSRP: $1228.90
    You Save: $414.32 (34%)
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC - 21423

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC

    PartNumber: 21423
    Product Specifications
    • Automotive Item Grade: OEM Standard Part
    • Connection Type: Pipe
    • Inlet - Outlet Configuration: Offset Inlet - Offset Outlet
    • Inlet Connection Type: Pipe Connection
    • Inlet Diameter Designation: Inside Diameter
    • Inlet Quantity: 1 Inlet
    • Muffler Body Finish: Aluminized
    • Muffler Body Height: 7"
    • Muffler Body Length: 24"
    • Muffler Body Material: Stainless Steel
    • Muffler Body Shape: Oval
    • Muffler Body Width: 9"
    • Muffler Inlet Diameter: 2.625"
    • Muffler Outlet Diameter: 2.625"
    • Muffler Overall Length: 28"
    • Muffler Reversible: No
    • Muffler Series: Quiet-Flow™
    • Muffler Type: Combination
    • Outlet Connection Type: Pipe Connection
    • Outlet Diameter Designation: Inside Diameter
    • Outlet Quantity: 1 Outlet
    • Part Description: GMC Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    $95.16
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC - 21431

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC

    PartNumber: 21431
    Product Specifications
    • Body Height: 7.000
    • Body Length: 24.000
    • Body Material: Stainless Steel
    • Body Width: 9.000
    • Exhaust Component Mount Type: No Mounts
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 2.500
    • Inlet 1 Type: Pipe Connection
    • Inlet 2 Inside Diameter: 2.500
    • Inlet 2 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 2.625
    • Internet Product Code (IPC): 51766A65BEC
    • Item has MSDS (SDS): N
    • Max Year Covered: 2006
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21431
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2001
    • Most Popular Make / Model: GMC Yukon
    • Most Popular Year: 2003
    • Muffler Body Height: 7.0
    • Muffler Body Length: 24.0
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 9.0
    • Muffler Color / Finish: Bare
    • Muffler Inlet: Offset
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 2
    • Muffler Inlet Diameter (in): 2.5
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Inside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.625
    • Muffler Outlet Diameter Designation: Inside Diameter
    • Muffler Overall Length: 28.0
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Inside Diameter: 2.625
    • Outlet Configuration: Offset
    • Overall Length: 28.000
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 469869
    • Universal Or Specific Fit: Specific
    • UPC: 086387214315
    • Part Description: GMC Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    $98.92
  • OEM GMC Center Muffler Diagram - 22794610
    View Related Parts

    OEM (Genuine) GMC Center Muffler

    PartNumber: 22794610
    OEM GMC Center Muffler - 22794610
    Product Specifications
    • Other Names: Center Muffler, Diesel Particulate Filter, Filter
    • Item Dimensions: 115.5 x 33.0 x 15.7 inches
    • Item Weight: 266.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25820807
    • Part Description: GMC Center Muffler
    More Info
    $1848.88 MSRP: $2776.00
    You Save: $927.12 (34%)
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC - 21405

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC

    PartNumber: 21405
    Product Specifications
    • Body Height: 4.250
    • Body Length: 18.000
    • Body Material: Stainless Steel
    • Body Width: 9.750
    • Exhaust Component Mount Type: No Mounts
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 2.500
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 2.875
    • Internet Product Code (IPC): 2D0274BA86D
    • Item has MSDS (SDS): N
    • Max Year Covered: 2002
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21405
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1996
    • Most Popular Make / Model: Chevrolet S10
    • Most Popular Year: 2000
    • Muffler Body Height: 4.25
    • Muffler Body Length: 18.0
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 9.75
    • Muffler Color / Finish: Bare
    • Muffler Inlet: Offset
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 2.5
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Inside Diameter
    • Muffler Outlet: Centered
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.25
    • Muffler Outlet Diameter Designation: Inside Diameter
    • Muffler Overall Length: 21.0
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Inside Diameter: 2.250
    • Outlet Configuration: Center
    • Overall Length: 21.000
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 228367
    • Universal Or Specific Fit: Specific
    • UPC: 086387214056
    • Part Description: GMC Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    $77.77
  • OEM GMC Muffler & Pipe Diagram - 84020523
    View Related Parts

    OEM (Genuine) GMC Muffler & Pipe

    PartNumber: 84020523
    OEM GMC Muffler & Pipe - 84020523
    Product Specifications
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 31.8 x 15.3 x 114.5 inches
    • Item Weight: 52.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20757701, 23377843, 23239260, 23219685, 23487117
    • Replaced by: 85052295
    • Part Description: GMC Muffler & Pipe
    More Info
    $623.59 MSRP: $940.75
    You Save: $317.16 (34%)
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