Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
Replacement and OEM Parts for GMC Sierra Muffler
Select your vehicle for the best product fit
  • Select Vehicle by Model
  • Select Vehicle by VIN
Select Make
Select Model
Select Year
or

GMC Sierra Muffler

< Back to View All
Exhaust Manifolds, Pipes & Mufflers
  • Department
  • Body Length
  • Inlet Configuration
  • Material
  • Outlet Configuration
  • Shape
  • Brands
  • Prices

423 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM (Genuine) GMC Sierra Muffler

    PartNumber: 15798961
    OEM GMC Sierra Muffler - 15798961
    Product Specifications
    • Other Names: Muffler
    • Item Weight: 57.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra Muffler
    More Info
    $1024.26 MSRP: $1532.23
    You Save: $507.97 (34%)
  • OEM (Genuine) GMC Sierra Muffler

    PartNumber: 15798961
    OEM GMC Sierra Muffler - 15798961
    Product Specifications
    • Other Names: Muffler
    • Item Weight: 57.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra Muffler
    More Info
    $1024.26 MSRP: $1532.23
    You Save: $507.97 (34%)
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC Sierra - 21356

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

    PartNumber: 21356
    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: 2.750
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 1.625
    • Internet Product Code (IPC): 24930647BF5
    • Item has MSDS (SDS): N
    • Max Year Covered: 2007
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21356
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1999
    • Most Popular Make / Model: Chevrolet Silverado 1500
    • Most Popular Year: 2004
    • 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: 1
    • Muffler Inlet Diameter (in): 2.75
    • 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: 4072207
    • Universal Or Specific Fit: Specific
    • UPC: 086387213561
    • Part Description: GMC Sierra Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    $98.71
  • Walker Quiet Flow Steel Oval Aluminized Exhaust Muffler for GMC Sierra - 21522

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

    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 Sierra Quiet Flow Steel Oval Aluminized Exhaust Muffler
    More Info
    $112.38
  • OEM (Genuine) GMC Sierra Muffler & Pipe

    PartNumber: 84665236
    OEM GMC Sierra 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 Sierra Muffler & Pipe
    More Info
    $669.58 MSRP: $1010.14
    You Save: $340.56 (34%)
  • Walker Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler for GMC Sierra - 18823

    Walker® Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler for GMC Sierra

    PartNumber: 18823
    Product Specifications
    • Body Height: 7.000
    • Body Length: 24.000
    • Body Material: Steel
    • Body Width: 9.000
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 2.750
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 1.625
    • Internet Product Code (IPC): 8465E046C4A
    • Item has MSDS (SDS): N
    • Max Year Covered: 2007
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 18823
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1999
    • Most Popular Make / Model: Chevrolet Silverado 1500
    • Most Popular Year: 2004
    • Muffler Body Height: 7
    • Muffler Body Length: 24
    • Muffler Body Material: Steel
    • Muffler Body Width: 9
    • Muffler Color / Finish: Aluminized
    • Muffler Inlet: Offset
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 2.75
    • 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
    • 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: 4072207
    • Universal Or Specific Fit: Specific
    • UPC: 086387188234
    • Part Description: GMC Sierra Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler
    More Info
    $38.58
  • Walker Quiet Flow Steel Oval Aluminized Exhaust Muffler for GMC Sierra - 21522

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

    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 Sierra Quiet Flow Steel Oval Aluminized Exhaust Muffler
    More Info
    $112.38
  • Walker Quiet Flow Steel Oval Aluminized Exhaust Muffler for GMC Sierra - 21522

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

    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 Sierra Quiet Flow Steel Oval Aluminized Exhaust Muffler
    More Info
    $112.38
  • OEM (Genuine) GMC Sierra Muffler & Pipe

    PartNumber: 25811684
    OEM GMC Sierra 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 Sierra Muffler & Pipe
    More Info
    $903.01 MSRP: $1362.29
    You Save: $459.28 (34%)
  • OEM (Genuine) GMC Sierra Muffler & Pipe

    PartNumber: 25811684
    OEM GMC Sierra 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 Sierra Muffler & Pipe
    More Info
    $903.01 MSRP: $1362.29
    You Save: $459.28 (34%)
  • OEM (Genuine) GMC Sierra Muffler & Pipe

    PartNumber: 84020523
    OEM GMC Sierra 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 Sierra Muffler & Pipe
    More Info
    $623.59 MSRP: $940.75
    You Save: $317.16 (34%)
  • OEM (Genuine) GMC Sierra Muffler

    PartNumber: 15798957
    OEM GMC Sierra Muffler - 15798957
    Product Specifications
    • Other Names: Muffler
    • Item Weight: 73.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15103204, 15147365
    • Part Description: GMC Sierra Muffler
    More Info
    $938.35 MSRP: $1402.65
    You Save: $464.30 (34%)
  • OEM (Genuine) GMC Sierra Muffler

    PartNumber: 15798957
    OEM GMC Sierra Muffler - 15798957
    Product Specifications
    • Other Names: Muffler
    • Item Weight: 73.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15103204, 15147365
    • Part Description: GMC Sierra Muffler
    More Info
    $938.35 MSRP: $1402.65
    You Save: $464.30 (34%)
  • Walker Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler for GMC Sierra - 18138

    Walker® Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler for GMC Sierra

    PartNumber: 18138
    Product Specifications
    • Automotive Item Grade: OEM Standard Part
    • Connection Type: Pipe
    • Inlet - Outlet Configuration: Offset Inlet - Offset Outlet
    • Inlet Diameter Designation: Inside Diameter
    • Inlet Quantity: 1 Inlet
    • Muffler Body Finish: Aluminized
    • Muffler Body Height: 7"
    • Muffler Body Length: 24"
    • Muffler Body Material: Steel
    • Muffler Body Shape: Oval
    • Muffler Body Width: 9"
    • Muffler Inlet Diameter: 2.75"
    • Muffler Outlet Diameter: 2.75"
    • Muffler Overall Length: 29"
    • Muffler Reversible: No
    • Muffler Series: SoundFX™
    • Muffler Type: Combination
    • Outlet Diameter Designation: Outside Diameter
    • Outlet Quantity: 1 Outlet
    • UPC: 086387181389
    • Part Description: GMC Sierra Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler
    More Info
    $47.48
  • Walker Quiet Flow Steel Oval Aluminized Exhaust Muffler for GMC Sierra - 21522

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

    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 Sierra Quiet Flow Steel Oval Aluminized Exhaust Muffler
    More Info
    $112.38
  • Walker Quiet Flow Stainless Steel Oval Bare Exhaust Muffler for GMC Sierra - 21684

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

    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 Sierra Quiet Flow Stainless Steel Oval Bare Exhaust Muffler
    More Info
    $119.03
  • OEM (Genuine) GMC Sierra Muffler

    PartNumber: 15798961
    OEM GMC Sierra Muffler - 15798961
    Product Specifications
    • Other Names: Muffler
    • Item Weight: 57.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra Muffler
    More Info
    $1024.26 MSRP: $1532.23
    You Save: $507.97 (34%)
  • OEM (Genuine) GMC Sierra Muffler & Pipe

    PartNumber: 23105744
    OEM GMC Sierra Muffler & Pipe - 23105744
    Product Specifications
    • Other Names: Muffler & Pipe
    • Item Dimensions: 124.4 x 33.6 x 18.4 inches
    • Item Weight: 87.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra Muffler & Pipe
    More Info
    $2399.70 MSRP: $3607.52
    You Save: $1207.82 (34%)
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for GMC Sierra - 21356

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

    PartNumber: 21356
    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: 2.750
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 1.625
    • Internet Product Code (IPC): 24930647BF5
    • Item has MSDS (SDS): N
    • Max Year Covered: 2007
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21356
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1999
    • Most Popular Make / Model: Chevrolet Silverado 1500
    • Most Popular Year: 2004
    • 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: 1
    • Muffler Inlet Diameter (in): 2.75
    • 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: 4072207
    • Universal Or Specific Fit: Specific
    • UPC: 086387213561
    • Part Description: GMC Sierra Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    $98.71
  • Walker Quiet Flow Steel Round Aluminized Exhaust Muffler for GMC Sierra - 21706

    Walker® Quiet Flow Steel Round Aluminized Exhaust Muffler for GMC Sierra

    PartNumber: 21706
    Product Specifications
    • Body Height: 11.000
    • Body Length: 25.000
    • Body Material: Steel
    • Body Width: 11.000
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 3.500
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 2.75
    • Internet Product Code (IPC): 41EC2F3D62B
    • Item has MSDS (SDS): N
    • Max Year Covered: 2010
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21706
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2007
    • Most Popular Make / Model: Chevrolet Silverado 2500 HD
    • Most Popular Year: 2007
    • Muffler Body Height: 11.0
    • Muffler Body Length: 25.0
    • 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): 3.5
    • Muffler Inlet Diameter Designation: Inside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 3.5
    • Muffler Outlet Diameter Designation: Inside Diameter
    • Muffler Overall Length: 31.0
    • Muffler Reversible: No
    • Muffler Shape: Round
    • Outlet 1 Inside Diameter: 3.500
    • Outlet Configuration: Offset
    • Overall Length: 31.000
    • Product Grade: Economy
    • Reversible: No
    • Shape: Round
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 298097
    • Universal Or Specific Fit: Specific
    • UPC: 086387217064
    • Part Description: GMC Sierra Quiet Flow Steel Round Aluminized Exhaust Muffler
    More Info
    $215.56
  • OEM (Genuine) GMC Sierra Muffler & Pipe

    PartNumber: 23105743
    OEM GMC Sierra Muffler & Pipe - 23105743
    Product Specifications
    • Other Names: Muffler & Pipe
    • Item Dimensions: 118.1 x 29.9 x 18.4 inches
    • Item Weight: 81.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra Muffler & Pipe
    More Info
    $2271.75 MSRP: $3414.50
    You Save: $1142.75 (34%)
  • OEM (Genuine) GMC Sierra Muffler & Pipe

    PartNumber: 23105744
    OEM GMC Sierra Muffler & Pipe - 23105744
    Product Specifications
    • Other Names: Muffler & Pipe
    • Item Dimensions: 124.4 x 33.6 x 18.4 inches
    • Item Weight: 87.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra Muffler & Pipe
    More Info
    $2399.70 MSRP: $3607.52
    You Save: $1207.82 (34%)
  • OEM (Genuine) GMC Sierra Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)

    PartNumber: 19257842
    OEM GMC Sierra Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe) - 19257842
    Product Specifications
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 110.9 x 32.9 x 15.3 inches
    • Item Weight: 47.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15092769
    • Part Description: GMC Sierra Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
    More Info
    $415.90 MSRP: $592.59
    You Save: $176.69 (30%)
  • OEM (Genuine) GMC Sierra Muffler & Pipe

    PartNumber: 23105743
    OEM GMC Sierra Muffler & Pipe - 23105743
    Product Specifications
    • Other Names: Muffler & Pipe
    • Item Dimensions: 118.1 x 29.9 x 18.4 inches
    • Item Weight: 81.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra Muffler & Pipe
    More Info
    $2271.75 MSRP: $3414.50
    You Save: $1142.75 (34%)
  • OEM (Genuine) GMC Sierra Muffler & Pipe

    PartNumber: 23105746
    OEM GMC Sierra Muffler & Pipe - 23105746
    Product Specifications
    • Other Names: Muffler & Pipe
    • Item Dimensions: 146.4 x 29.1 x 18.5 inches
    • Item Weight: 88.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra Muffler & Pipe
    More Info
    $2300.24 MSRP: $3457.47
    You Save: $1157.23 (34%)
  • OEM (Genuine) GMC Sierra Muffler Asm-Exhaust (W/ Exhaust Pipe & Tail Pipe)

    PartNumber: 15798941
    OEM GMC Sierra Muffler Asm-Exhaust (W/ Exhaust Pipe & Tail Pipe) - 15798941
    Product Specifications
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 130.9 x 25.9 x 16.1 inches
    • Item Weight: 59.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra Muffler Asm-Exhaust (W/ Exhaust Pipe & Tail Pipe)
    More Info
  • OEM (Genuine) GMC Sierra Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W

    PartNumber: 15798962
    OEM GMC Sierra Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W - 15798962
    Product Specifications
    • Other Names: Muffler
    • Item Dimensions: 122.9 x 24.4 x 15.6 inches
    • Item Weight: 68.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15094497, 15147361, 15070023, 15113072, 15103198
    • Part Description: GMC Sierra Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W
    More Info
  • OEM (Genuine) GMC Sierra Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W

    PartNumber: 15798962
    OEM GMC Sierra Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W - 15798962
    Product Specifications
    • Other Names: Muffler
    • Item Dimensions: 122.9 x 24.4 x 15.6 inches
    • Item Weight: 68.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15094497, 15147361, 15070023, 15113072, 15103198
    • Part Description: GMC Sierra Exhaust Muffler Assembly (W/ Exhaust & T/Pipe & 3W
    More Info
  • OEM (Genuine) GMC Sierra Resonator & Pipe

    PartNumber: 15876232
    OEM GMC Sierra Resonator & Pipe - 15876232
    Product Specifications
    • Other Names: Resonator & Pipe
    • Item Dimensions: 51.7 x 14.6 x 11.0 inches
    • Item Weight: 41.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra Resonator & Pipe
    More Info
  • OEM (Genuine) GMC Sierra Resonator & Pipe

    PartNumber: 15876232
    OEM GMC Sierra Resonator & Pipe - 15876232
    Product Specifications
    • Other Names: Resonator & Pipe
    • Item Dimensions: 51.7 x 14.6 x 11.0 inches
    • Item Weight: 41.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: GMC Sierra Resonator & Pipe
    More Info
1-30 of 423 Results
< Previous
12345
Next >