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Replacement and OEM Parts for Infiniti QX4 Muffler
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Infiniti QX4 Muffler

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Exhaust Manifolds, Pipes & Mufflers
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12 Products found

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  • OEM (Genuine) Infiniti QX4 Muffler Assy-Exhaust Main

    PartNumber: 20100-5W015
    OEM Infiniti QX4 Muffler Assy-Exhaust Main - 20100-5W015
    Product Specifications
    • Other Names: Muffler
    • Item Dimensions: 67.3 x 37.8 x 13.3 inches
    • Item Weight: 35.00 Pounds
    • Replaces: 20100-5W002, 20100-5W014, 20100-5W000, 20100-5W012, 20100-5W01E, 20100-5W010, 20100-5W004
    • Part Description: Infiniti QX4 Muffler Assy-Exhaust Main
    More Info
    $798.72 MSRP: $1095.65
    You Save: $296.93 (28%)
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler And Pipe Assembly for Infiniti QX4 - 53111

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler And Pipe Assembly for Infiniti QX4

    PartNumber: 53111
    Product Specifications
    • Body Height: 5.500
    • Body Length: 18.000
    • Body Material: Stainless Steel
    • Body Width: 11.000
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Outside Diameter: 2.000
    • Inlet 1 Type: Pipe Connection
    • Inlet 2 Outside Diameter: 2.000
    • Inlet 2 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Internet Product Code (IPC): 6938BA53264
    • Item has MSDS (SDS): N
    • Max Year Covered: 2000
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 53111
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1996
    • Most Popular Make / Model: Nissan Pathfinder
    • Most Popular Year: 1999
    • Muffler Body Height: 5.5
    • Muffler Body Length: 18.0
    • 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: 2
    • Muffler Inlet Diameter (in): 2.0
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Outside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: 2-Bolt Welded Flange
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.0
    • Muffler Outlet Diameter Designation: Outside Diameter
    • Muffler Overall Length: 28.25
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Outside Diameter: 2.000
    • Outlet Configuration: Offset
    • Overall Length: 28.250
    • Product Grade: Economy
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 124755
    • UPC: 086387531115
    • Part Description: Infiniti QX4 Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler And Pipe Assembly
    More Info
    $106.29
  • Bosal Rear Exhaust Muffler for Infiniti QX4 - 278-713

    Bosal® Rear Exhaust Muffler for Infiniti QX4

    PartNumber: 278-713
    Product Specifications
    • Exhaust Component Mount Type: Uses New Hangers (Included)
    • Inlet Flange Bolt Hole Quantity: 2
    • Internet Product Code (IPC): 60E69409117
    • Item has MSDS (SDS): No
    • MFG Brand Name: Bosal
    • MFG Model # (Series): 278-713
    • Muffler Body Height (in): 6.1
    • Muffler Body Length: 10.61
    • Muffler Body Material: Aluminized Steel
    • Muffler Color/Finish: Aluminized
    • Muffler Inlet: Centered
    • Muffler Inlet Connection Type: Flange Connection
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 2.03
    • Muffler Inlet Diameter Designation: Inside Diameter
    • Muffler Outlet: Centered
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Overall Length (in): 49.0
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Muffler Type: Reflection
    • Pipe Material: Aluminized Steel
    • Resonator Shape: Round
    • Series: Direct-Fit Exhaust
    • Supplier Company Name: Bosal
    • UPC: 623920308157
    • Part Description: Infiniti QX4 Rear Exhaust Muffler
    More Info
    $121.36
  • OEM (Genuine) Infiniti QX4 Post Muffler Assembly

    PartNumber: 20350-4W020
    OEM Infiniti QX4 Post Muffler Assembly - 20350-4W020
    Product Specifications
    • Other Names: Muffler, Resonator
    • Item Dimensions: 49.4 x 9.9 x 9.9 inches
    • Item Weight: 13.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20350-4W01A, 20350-4W010
    • Part Description: Infiniti QX4 Post Muffler Assembly
    More Info
    $306.30 MSRP: $420.18
    You Save: $113.88 (28%)
  • Walker Soundfx Front Aluminized Steel Oval Direct Fit Exhaust Muffler for Infiniti QX4 - 18963

    Walker® Soundfx Front Aluminized Steel Oval Direct Fit Exhaust Muffler for Infiniti QX4

    PartNumber: 18963
    Product Specifications
    • Body Height: 5.500
    • Body Length: 18.000
    • Body Material: Steel
    • Body Width: 11.000
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 1.750
    • Inlet 1 Type: Pipe Connection
    • Inlet 2 Inside Diameter: 1.750
    • Inlet 2 Type: Pipe Connection
    • Inlet Configuration: Dual
    • Inlet Offset: 1.5
    • Internet Product Code (IPC): A021B8B9135
    • Item has MSDS (SDS): N
    • Max Year Covered: 2004
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 18963
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2001
    • Most Popular Make / Model: Nissan Pathfinder
    • Most Popular Year: 2001
    • Muffler Body Height: 5.5
    • Muffler Body Length: 18.0
    • Muffler Body Material: Steel
    • Muffler Body Width: 11.0
    • Muffler Color / Finish: Aluminized
    • Muffler Inlet: Dual Inlet - Offset
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 2
    • Muffler Inlet Diameter (in): 1.75
    • Muffler Inlet Diameter Designation: Inside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: 2-Bolt Welded Flange
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.0
    • Muffler Outlet Diameter Designation: Outside Diameter
    • Muffler Overall Length: 39.5
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet Configuration: Offset
    • Overall Length: 39.500
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 158500
    • Universal Or Specific Fit: Specific
    • UPC: 086387189637
    • Part Description: Infiniti QX4 Soundfx Front Aluminized Steel Oval Direct Fit Exhaust Muffler
    More Info
    $87.13
  • Bosal Rear Exhaust Muffler for Infiniti QX4 - 278-375

    Bosal® Rear Exhaust Muffler for Infiniti QX4

    PartNumber: 278-375
    Product Specifications
    • Exhaust Component Mount Type: Uses New Hangers (Included)
    • Inlet Flange Bolt Hole Quantity: 2
    • Internet Product Code (IPC): E1FB72F45D4
    • Item has MSDS (SDS): No
    • MFG Brand Name: Bosal
    • MFG Model # (Series): 278-375
    • Muffler Body Height (in): 6.1
    • Muffler Body Length: 10.61
    • Muffler Body Material: Aluminized Steel
    • Muffler Color/Finish: Aluminized
    • Muffler Inlet: Centered
    • Muffler Inlet Connection Type: Flange Connection
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 2.03
    • Muffler Inlet Diameter Designation: Inside Diameter
    • Muffler Outlet: Centered
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Overall Length (in): 44.0
    • Muffler Reversible: No
    • Muffler Shape: Round
    • Muffler Type: Reflection
    • Pipe Material: Aluminized Steel
    • Resonator Shape: Round
    • Series: Direct-Fit Exhaust
    • Supplier Company Name: Bosal
    • UPC: 623920290407
    • Part Description: Infiniti QX4 Rear Exhaust Muffler
    More Info
    $121.78
  • Walker Quiet Flow Rear Stainless Steel Round Aluminized Exhaust Muffler And Pipe Assembly for Infiniti QX4 - 54378

    Walker® Quiet Flow Rear Stainless Steel Round Aluminized Exhaust Muffler And Pipe Assembly for Infiniti QX4

    PartNumber: 54378
    Product Specifications
    • Body Height: 5.000
    • Body Length: 12.000
    • Body Material: Stainless Steel
    • Body Width: 5.000
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Outside Diameter: 2.100
    • Inlet 1 Type: 2 Bolt Welded Flange
    • Inlet Configuration: Center
    • Internet Product Code (IPC): 9903A28C6B5
    • Item has MSDS (SDS): N
    • Max Year Covered: 2004
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 54378
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2001
    • Most Popular Make / Model: Nissan Pathfinder
    • Most Popular Year: 2001
    • Muffler Body Height: 5
    • Muffler Body Length: 12
    • Muffler Body Material: Stainless Steel
    • Muffler Body Width: 5
    • Muffler Color / Finish: Bare
    • Muffler Inlet: Centered
    • Muffler Inlet Connection Type: 2-Bolt Welded Flange
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter Designation: Outside Diameter
    • Muffler Outlet: Centered
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.25
    • Muffler Outlet Diameter Designation: Outside Diameter
    • Muffler Overall Length: 46.55
    • Muffler Reversible: No
    • Muffler Shape: Round
    • Outlet 1 Outside Diameter: 2.250
    • Outlet Configuration: Center
    • Overall Length: 46.500
    • Product Grade: Economy
    • Shape: Round
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 158500
    • UPC: 086387543781
    • Part Description: Infiniti QX4 Quiet Flow Rear Stainless Steel Round Aluminized Exhaust Muffler And Pipe Assembly
    More Info
    $75.14
  • Walker Soundfx Rear Aluminized Steel Round Direct Fit Exhaust Muffler for Infiniti QX4 - 18962

    Walker® Soundfx Rear Aluminized Steel Round Direct Fit Exhaust Muffler for Infiniti QX4

    PartNumber: 18962
    Product Specifications
    • Body Height: 5.000
    • Body Length: 12.000
    • Body Material: Steel
    • Body Width: 5.000
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Type: 2 Bolt Welded Flange
    • Inlet Configuration: Center
    • Internet Product Code (IPC): 94A21ACA976
    • Item has MSDS (SDS): N
    • Max Year Covered: 2004
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 18962
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2001
    • Most Popular Make / Model: Nissan Pathfinder
    • Most Popular Year: 2001
    • Muffler Body Height: 5.0
    • Muffler Body Length: 12.0
    • Muffler Body Material: Steel
    • Muffler Body Width: 5.0
    • Muffler Color / Finish: Aluminized
    • Muffler Inlet: Centered
    • Muffler Inlet Connection Type: 2-Bolt Welded Flange
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 2.0
    • Muffler Inlet Diameter Designation: Outside Diameter
    • Muffler Outlet: Centered
    • Muffler Outlet Connection Type: Pipe Connection
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.25
    • Muffler Outlet Diameter Designation: Outside Diameter
    • Muffler Overall Length: 49.5
    • Muffler Reversible: No
    • Muffler Shape: Round
    • Outlet 1 Outside Diameter: 2.250
    • Outlet Configuration: Center
    • Overall Length: 49.500
    • Product Grade: Economy
    • Reversible: No
    • Shape: Round
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 158500
    • Universal Or Specific Fit: Specific
    • UPC: 086387189620
    • Part Description: Infiniti QX4 Soundfx Rear Aluminized Steel Round Direct Fit Exhaust Muffler
    More Info
    $51.99
  • Walker Soundfx Aluminized Steel Oval Direct Fit Exhaust Muffler for Infiniti QX4 - 18964

    Walker® Soundfx Aluminized Steel Oval Direct Fit Exhaust Muffler for Infiniti QX4

    PartNumber: 18964
    Product Specifications
    • Body Height: 5.500
    • Body Length: 18.000
    • Body Material: Steel
    • Body Width: 11.000
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 1.750
    • Inlet 1 Type: Pipe Connection
    • Inlet 2 Inside Diameter: 1.750
    • Inlet 2 Type: Pipe Connection
    • Inlet Configuration: Dual
    • Inlet Offset: 1.5
    • Internet Product Code (IPC): 32D8A16084E
    • Item has MSDS (SDS): N
    • Max Year Covered: 2000
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 18964
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1996
    • Most Popular Make / Model: Nissan Pathfinder
    • Most Popular Year: 1999
    • Muffler Body Height: 5.5
    • Muffler Body Length: 18.0
    • Muffler Body Material: Steel
    • Muffler Body Width: 11.0
    • Muffler Color / Finish: Aluminized
    • Muffler Inlet: Dual Inlet - Offset
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 2
    • Muffler Inlet Diameter (in): 1.75
    • Muffler Inlet Diameter Designation: Inside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: 2-Bolt Welded Flange
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.0
    • Muffler Outlet Diameter Designation: Outside Diameter
    • Muffler Overall Length: 30.0
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet Configuration: Offset
    • Overall Length: 30.000
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 124755
    • Universal Or Specific Fit: Specific
    • UPC: 086387189644
    • Part Description: Infiniti QX4 Soundfx Aluminized Steel Oval Direct Fit Exhaust Muffler
    More Info
    $74.83
  • OEM (Genuine) Infiniti QX4 Exhaust Main Muffler Assembly

    PartNumber: 20100-2W610
    OEM Infiniti QX4 Exhaust Main Muffler Assembly - 20100-2W610
    Product Specifications
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 67.8 x 32.2 x 5.3 inches
    • Item Weight: 10.90 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20100-1W301, 20100-2W000, 20100-1W300
    • Part Description: Infiniti QX4 Exhaust Main Muffler Assembly
    More Info
  • OEM (Genuine) Infiniti QX4 Post Muffler Assembly

    PartNumber: 20350-1W365
    OEM Infiniti QX4 Post Muffler Assembly - 20350-1W365
    Product Specifications
    • Other Names: Muffler, Resonator
    • Item Dimensions: 49.4 x 14.4 x 10.5 inches
    • Item Weight: 11.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20350-0W065
    • Part Description: Infiniti QX4 Post Muffler Assembly
    More Info
  • OEM (Genuine) Infiniti QX4 Muffler Assy-Post

    PartNumber: 20350-2W000
    OEM Infiniti QX4 Muffler Assy-Post - 20350-2W000
    Product Specifications
    • Other Names: Muffler
    • Item Dimensions: 49.4 x 15.8 x 9.5 inches
    • Item Weight: 10.60 Pounds
    • Replaces: 20350-1W305, 20350-1W301, 20350-1W300
    • Part Description: Infiniti QX4 Muffler Assy-Post
    More Info

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