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2003 Chevrolet Impala
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Exhaust Manifolds, Pipes & Mufflers
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  • Walker Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler for 2003 Chevrolet Impala - 18893

    Walker® Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler for 2003 Chevrolet Impala

    PartNumber: 18893
    Product Specifications
    • Notes: If welded Assy, replace all Reqd parts; Optional; SoundFX for 21399
    • Body Height: 5.500
    • Body Length: 15.000
    • Body Material: 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: Offset
    • Inlet Offset: 3.75
    • Internet Product Code (IPC): F647E22C7C6
    • Item has MSDS (SDS): N
    • Max Year Covered: 2005
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 18893
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2000
    • Most Popular Make / Model: Chevrolet Impala
    • Most Popular Year: 2004
    • Muffler Body Height: 5.5
    • Muffler Body Length: 15.0
    • 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): 2.25
    • 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): 2.25
    • Muffler Outlet Diameter Designation: Outside Diameter
    • Muffler Overall Length: 29.0
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Outside Diameter: 2.250
    • Outlet Configuration: Offset
    • Overall Length: 29.000
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 737229
    • Universal Or Specific Fit: Specific
    • UPC: 086387188937
    • Part Description: 2003 Chevrolet Impala Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Impala | All Trims | 6 Cyl 3.8L
    • 2003 Chevrolet Impala | All Trims | 6 Cyl 3.4L
    $43.00
  • OEM (Genuine) 2003 Chevrolet Impala Muffler & Pipe

    PartNumber: 15144839
    OEM 2003 Chevrolet Impala Muffler & Pipe - 15144839
    Product Specifications
    • Notes: 3.8 Liter, Single Exhaust, W/Police/Taxi; 3.8 Liter, Dual Exhaust, W/Police/Taxi
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 115.5 x 20.6 x 7.8 inches
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Impala Muffler & Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Impala | Base, LS, LS Sport, SS | 6 Cyl 3.4 L GAS, 6 Cyl 3.8 L GAS
    $548.25 MSRP: $827.10
    You Save: $278.85 (34%)
  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for 2003 Chevrolet Impala - 21399

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for 2003 Chevrolet Impala

    PartNumber: 21399
    Product Specifications
    • Notes: Premium - Limited Lifetime Warranty; If welded Assy, replace all Reqd parts.
    • Body Height: 5.500
    • Body Length: 15.000
    • Body Material: Stainless Steel
    • Body Width: 11.000
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Outside Diameter: 2.250
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 3.75
    • Internet Product Code (IPC): B03C4201D9D
    • Item has MSDS (SDS): N
    • Max Year Covered: 2005
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21399
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 2000
    • Most Popular Make / Model: Chevrolet Impala
    • Most Popular Year: 2004
    • Muffler Body Height: 5.5
    • Muffler Body Length: 15.0
    • 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): 2.25
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Outside Diameter
    • Muffler Outlet: Centered
    • Muffler Outlet Connection Type: Tip - Welded Spout
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.25
    • Muffler Outlet Diameter Designation: Outside Diameter
    • Muffler Overall Length: 29.0
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Outside Diameter: 2.500
    • Outlet Configuration: Center
    • Overall Length: 29.000
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 737229
    • Universal Or Specific Fit: Specific
    • UPC: 086387213998
    • Part Description: 2003 Chevrolet Impala Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Impala | All Trims | 6 Cyl 3.8L
    • 2003 Chevrolet Impala | All Trims | 6 Cyl 3.4L
    $70.26
  • OEM (Genuine) 2003 Chevrolet Impala Muffler & Pipe

    PartNumber: 15241772
    OEM 2003 Chevrolet Impala Muffler & Pipe - 15241772
    Product Specifications
    • Notes: 3.8 Liter, Dual Exhaust, W/O Police/Taxi
    • Other Names: Muffler, Muffler & Pipe, Muffler W/Tailpipe
    • Item Dimensions: 113.4 x 49.0 x 8.4 inches
    • Item Weight: 55.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15791213
    • Part Description: 2003 Chevrolet Impala Muffler & Pipe
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Impala | Base, LS, LS Sport, SS | 6 Cyl 3.8 L GAS
  • OEM (Genuine) 2003 Chevrolet Impala Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)

    PartNumber: 15144838
    OEM 2003 Chevrolet Impala Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe) - 15144838
    Product Specifications
    • Notes: Impala; 3.4l; 3.4 Liter
    • Other Names: Muffler, Muffler W/Tailpipe
    • Item Dimensions: 119.7 x 24.0 x 11.5 inches
    • Item Weight: 39.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 10312660
    • Part Description: 2003 Chevrolet Impala Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Impala | Base | 6 Cyl 3.4 L GAS
  • OEM (Genuine) 2003 Chevrolet Impala Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe*Color Coded

    PartNumber: 10312661
    OEM 2003 Chevrolet Impala Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe*Color Coded - 10312661
    Product Specifications
    • Notes: 3.8 Liter, Single Exhaust, W/O Police/Taxi; Impala; 3.8l
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 116.5 x 20.2 x 8.4 inches
    • Item Weight: 40.30 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Impala Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe*Color Coded
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Impala | Base, LS, LS Sport, SS | 6 Cyl 3.8 L GAS