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Replacement and OEM Parts for 1999 Pontiac Grand Prix Muffler

1999 Pontiac Grand Prix Muffler

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1999 Pontiac Grand Prix
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Exhaust Manifolds, Pipes & Mufflers
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  • Walker Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for 1999 Pontiac Grand Prix - 21346

    Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for 1999 Pontiac Grand Prix

    PartNumber: 21346
    Product Specifications
    • Notes: Premium - Limited Lifetime Warranty; Single Exhaust; If welded Assy, replace all Reqd parts.;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 Inside Diameter: 2.000
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 3.75
    • Internet Product Code (IPC): 324E6093124
    • Item has MSDS (SDS): N
    • Max Year Covered: 2005
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21346
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1997
    • Most Popular Make / Model: Buick Century
    • Most Popular Year: 2002
    • 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: Offset
    • 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: 27.75
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Outside Diameter: 2.250
    • Outlet Configuration: Offset
    • Overall Length: 27.750
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 603451
    • Universal Or Specific Fit: Specific
    • UPC: 086387213462
    • Part Description: 1999 Pontiac Grand Prix Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    Vehicle Fitment
    • 1999 Pontiac Grand Prix | All Trims | 6 Cyl 3.8L
    • 1999 Pontiac Grand Prix | All Trims | 6 Cyl 3.1L
    $108.37
  • Walker Quiet Flow Driver Side Stainless Steel Oval Aluminized Exhaust Muffler for 1999 Pontiac Grand Prix - 21382

    Walker® Quiet Flow Driver Side Stainless Steel Oval Aluminized Exhaust Muffler for 1999 Pontiac Grand Prix

    PartNumber: 21382
    Product Specifications
    • Notes: Premium - Limited Lifetime Warranty; Dual Exhaust
    • Body Height: 7.000
    • Body Length: 14.000
    • Body Material: Stainless Steel
    • Body Width: 9.000
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 1.875
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 1.625
    • Internet Product Code (IPC): 5C6B16CE5C8
    • Item has MSDS (SDS): N
    • Max Year Covered: 2002
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 21382
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1997
    • Most Popular Make / Model: Pontiac Grand Prix
    • Most Popular Year: 2002
    • Muffler Body Height: 7.0
    • Muffler Body Length: 14.0
    • 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): 1.875
    • 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: Inside Diameter
    • Muffler Overall Length: 17.25
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Inside Diameter: 2.250
    • Outlet Configuration: Offset
    • Overall Length: 17.250
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 156564
    • Universal Or Specific Fit: Specific
    • UPC: 086387213820
    • Part Description: 1999 Pontiac Grand Prix Quiet Flow Driver Side Stainless Steel Oval Aluminized Exhaust Muffler
    More Info
    Vehicle Fitment
    • 1999 Pontiac Grand Prix | All Trims | 6 Cyl 3.8L
    $63.83
  • Walker Soundfx Aluminized Steel Oval Direct Fit Exhaust Muffler for 1999 Pontiac Grand Prix - 18895

    Walker® Soundfx Aluminized Steel Oval Direct Fit Exhaust Muffler for 1999 Pontiac Grand Prix

    PartNumber: 18895
    Product Specifications
    • Notes: If welded Assy, replace all Reqd parts; Optional; SoundFX for 21346;Single Exhaust; If welded Assy, replace all Reqd parts; Optional; SoundFX for 21346
    • 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: 2.000
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 3.75
    • Internet Product Code (IPC): D75915F0CE0
    • Item has MSDS (SDS): N
    • Max Year Covered: 2005
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 18895
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1997
    • Most Popular Make / Model: Buick Century
    • Most Popular Year: 2002
    • 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: Outside Diameter
    • Muffler Outlet: Offset
    • 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: 27.75
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Outside Diameter: 2.250
    • Outlet Configuration: Offset
    • Overall Length: 27.750
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 603451
    • Universal Or Specific Fit: Specific
    • UPC: 086387188951
    • Part Description: 1999 Pontiac Grand Prix Soundfx Aluminized Steel Oval Direct Fit Exhaust Muffler
    More Info
    Vehicle Fitment
    • 1999 Pontiac Grand Prix | All Trims | 6 Cyl 3.8L
    • 1999 Pontiac Grand Prix | All Trims | 6 Cyl 3.1L
    $47.28
  • Walker Soundfx Passenger Side Aluminized Steel Oval Direct Fit Exhaust Muffler for 1999 Pontiac Grand Prix - 18576

    Walker® Soundfx Passenger Side Aluminized Steel Oval Direct Fit Exhaust Muffler for 1999 Pontiac Grand Prix

    PartNumber: 18576
    Product Specifications
    • Notes: Dual Exhaust; optional; SoundFX for 21381
    • Connection Type: Pipe Connection
    • Inlet Diameter Designation: Inside Diameter
    • Inlet Quantity: 1
    • Item Grade: OEM Standard Part
    • Muffler Body Height: 7"
    • Muffler Body Length: 14"
    • Muffler Body Material: Aluminized Steel
    • Muffler Body Shape: Oval
    • Muffler Body Width: 9"
    • Muffler Inlet Diameter: 1.875"
    • Muffler Inlet-Outlet Configuration: Offset - Offset
    • Muffler Outlet Diameter: 2.25"
    • Muffler Overall Length: 17.25"
    • Muffler Reversibility: No
    • Muffler Series: SoundFX™
    • Muffler Type: Combination
    • Outlet Diameter Designation: Inside Diameter
    • Outlet Quantity: 1
    • Part Description: 1999 Pontiac Grand Prix Soundfx Passenger Side Aluminized Steel Oval Direct Fit Exhaust Muffler
    More Info
    Vehicle Fitment
    • 1999 Pontiac Grand Prix | All Trims | 6 Cyl 3.8L
    $48.73
  • Walker Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler for 1999 Pontiac Grand Prix - 18102

    Walker® Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler for 1999 Pontiac Grand Prix

    PartNumber: 18102
    Product Specifications
    • Notes: If welded Assy, replace all Reqd parts; Optional; SoundFX Universal for 21346; Modifications and/or Additional Parts Reqd.;Single Exhaust; If welded Assy, replace all Reqd parts; Optional; SoundFX Universal for 21346; Modifications and/or Additional Parts Reqd.
    • Body Height: 4.250
    • Body Length: 15.000
    • Body Material: Steel
    • Body Width: 8.813
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 2.000
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 2.625
    • Max Year Covered: 2005
    • Min Year Covered: 1966
    • Most Popular Make / Model: Buick Century
    • Most Popular Year: 2002
    • Muffler Type: Combination
    • Outlet 1 Inside Diameter: 2.000
    • Outlet Configuration: Center
    • Overall Length: 21.500
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Total Part VIO: 608376
    • Universal Or Specific Fit: Universal
    • UPC: 086387181020
    • Part Description: 1999 Pontiac Grand Prix Soundfx Steel Oval Direct Fit Aluminized Exhaust Muffler
    More Info
    Vehicle Fitment
    • 1999 Pontiac Grand Prix | All Trims | 6 Cyl 3.8L
    • 1999 Pontiac Grand Prix | All Trims | 6 Cyl 3.1L
    $34.94
  • Walker Soundfx Driver Side Aluminized Steel Oval Direct Fit Exhaust Muffler for 1999 Pontiac Grand Prix - 18801

    Walker® Soundfx Driver Side Aluminized Steel Oval Direct Fit Exhaust Muffler for 1999 Pontiac Grand Prix

    PartNumber: 18801
    Product Specifications
    • Notes: Dual Exhaust; optional; SoundFX for 21382
    • Body Height: 7.000
    • Body Length: 14.000
    • Body Material: Steel
    • Body Width: 9.000
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Finish: Aluminized
    • Grade Type: Regular
    • Inlet 1 Inside Diameter: 1.875
    • Inlet 1 Type: Pipe Connection
    • Inlet Configuration: Offset
    • Inlet Offset: 1.625
    • Internet Product Code (IPC): DF21BDB5F7C
    • Item has MSDS (SDS): N
    • Max Year Covered: 2002
    • MFG Brand Name: Walker Exhaust
    • MFG Model # (Series): 18801
    • MFG Name: Tenneco, Inc
    • Min Year Covered: 1997
    • Most Popular Make / Model: Pontiac Grand Prix
    • Most Popular Year: 2002
    • Muffler Body Height: 7.0
    • Muffler Body Length: 14.0
    • Muffler Body Material: Steel
    • Muffler Body Width: 9.0
    • Muffler Color / Finish: Aluminized
    • Muffler Inlet: Offset
    • Muffler Inlet Connection Type: Pipe Connection
    • Muffler Inlet Count: 1
    • Muffler Inlet Diameter (in): 1.875
    • Muffler Inlet Diameter 2 (in): 0.0
    • Muffler Inlet Diameter Designation: Inside Diameter
    • Muffler Outlet: Offset
    • Muffler Outlet Connection Type: Tip - Welded Spout
    • Muffler Outlet Count: 1
    • Muffler Outlet Diameter (in): 2.25
    • Muffler Outlet Diameter Designation: Inside Diameter
    • Muffler Overall Length: 17.25
    • Muffler Reversible: No
    • Muffler Shape: Oval
    • Outlet 1 Inside Diameter: 2.250
    • Outlet Configuration: Offset
    • Overall Length: 17.250
    • Product Grade: Economy
    • Reversible: No
    • Shape: Oval
    • Supplier Company Name: Tenneco, Inc
    • Total Part VIO: 156564
    • Universal Or Specific Fit: Specific
    • UPC: 086387188012
    • Part Description: 1999 Pontiac Grand Prix Soundfx Driver Side Aluminized Steel Oval Direct Fit Exhaust Muffler
    More Info
    Vehicle Fitment
    • 1999 Pontiac Grand Prix | All Trims | 6 Cyl 3.8L
    $49.34
  • OEM 1999 Pontiac Grand Prix Exhaust Muffler Assembly Diagram - 12456174
    View Related Parts

    OEM (Genuine) 1999 Pontiac Grand Prix Exhaust Muffler Assembly

    PartNumber: 12456174
    OEM 1999 Pontiac Grand Prix Exhaust Muffler Assembly - 12456174
    Product Specifications
    • Notes: 3.8 Liter, Dual Exhaust, W/Supercharger
    • Location: Driver Side
    • Other Names: Muffler
    • Item Dimensions: 20.2 x 12.1 x 8.0 inches
    • Item Weight: 14.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1999 Pontiac Grand Prix Exhaust Muffler Assembly
    More Info
    Vehicle Fitment
    • 1999 Pontiac Grand Prix | GTP | 6 Cyl 3.8 L GAS
  • OEM 1999 Pontiac Grand Prix Exhaust Muffler Assembly Diagram - 12456173
    View Related Parts

    OEM (Genuine) 1999 Pontiac Grand Prix Exhaust Muffler Assembly

    PartNumber: 12456173
    OEM 1999 Pontiac Grand Prix Exhaust Muffler Assembly - 12456173
    Product Specifications
    • Notes: Grand Prix; 3.8l; W/Supercharger; Right; 3.8 Liter, Dual Exhaust, W/Supercharger
    • Location: Passenger Side
    • Other Names: Muffler
    • Item Dimensions: 19.9 x 11.8 x 7.8 inches
    • Item Weight: 15.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1999 Pontiac Grand Prix Exhaust Muffler Assembly
    More Info
    Vehicle Fitment
    • 1999 Pontiac Grand Prix | GTP | 6 Cyl 3.8 L GAS
  • OEM 1999 Pontiac Grand Prix Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe) Diagram - 10437906
    View Related Parts

    OEM (Genuine) 1999 Pontiac Grand Prix Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)

    PartNumber: 10437906
    OEM 1999 Pontiac Grand Prix Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe) - 10437906
    Product Specifications
    • Notes: Grand Prix; 3.8l; W/O Supercharger; W/O Dual Outlet; 3.8 Liter, Single Exhaust
    • Other Names: Muffler, Muffler & Pipe
    • Fitment Type: Direct Replacement
    • Replaces: 10403072
    • Part Description: 1999 Pontiac Grand Prix Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
    More Info
    Vehicle Fitment
    • 1999 Pontiac Grand Prix | GT, SE | 6 Cyl 3.8 L GAS
  • OEM 1999 Pontiac Grand Prix Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe) Diagram - 10414980
    View Related Parts

    OEM (Genuine) 1999 Pontiac Grand Prix Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)

    PartNumber: 10414980
    OEM 1999 Pontiac Grand Prix Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe) - 10414980
    Product Specifications
    • Notes: 3.1 Liter; Grand Prix; 3.1l
    • Other Names: Muffler, Muffler & Pipe
    • Item Dimensions: 112.6 x 15.2 x 8.2 inches
    • Item Weight: 31.90 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1999 Pontiac Grand Prix Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
    More Info
    Vehicle Fitment
    • 1999 Pontiac Grand Prix | SE | 6 Cyl 3.1 L GAS
  • OEM 1999 Pontiac Grand Prix Exhaust Muffler Assembly(Lh) Diagram - 12456172
    View Related Parts

    OEM (Genuine) 1999 Pontiac Grand Prix Exhaust Muffler Assembly(Lh)

    PartNumber: 12456172
    OEM 1999 Pontiac Grand Prix Exhaust Muffler Assembly(Lh) - 12456172
    Product Specifications
    • Notes: Grand Prix; 3.8l; W/O Supercharger; W/Dual Outlet; Left; 3.8 Liter, Dual Exhaust, W/O Supercharger
    • Location: Driver Side
    • Other Names: Muffler
    • Item Dimensions: 18.9 x 12.1 x 8.2 inches
    • Item Weight: 15.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1999 Pontiac Grand Prix Exhaust Muffler Assembly(Lh)
    More Info
    Vehicle Fitment
    • 1999 Pontiac Grand Prix | GT, SE | 6 Cyl 3.8 L GAS
  • OEM 1999 Pontiac Grand Prix Exhaust Muffler Assembly(Rh) Diagram - 12456171
    View Related Parts

    OEM (Genuine) 1999 Pontiac Grand Prix Exhaust Muffler Assembly(Rh)

    PartNumber: 12456171
    OEM 1999 Pontiac Grand Prix Exhaust Muffler Assembly(Rh) - 12456171
    Product Specifications
    • Notes: Grand Prix; 3.8l; W/O Supercharger; W/Dual Outlet; Right; 3.8 Liter, Dual Exhaust, W/O Supercharger
    • Location: Passenger Side
    • Other Names: Muffler
    • Item Dimensions: 20.7 x 13.4 x 8.3 inches
    • Item Weight: 15.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1999 Pontiac Grand Prix Exhaust Muffler Assembly(Rh)
    More Info
    Vehicle Fitment
    • 1999 Pontiac Grand Prix | GT, SE | 6 Cyl 3.8 L GAS
  • OEM 1999 Pontiac Grand Prix Exhaust Muffler Assembly Diagram - 12529521
    View Related Parts

    OEM (Genuine) 1999 Pontiac Grand Prix Exhaust Muffler Assembly

    PartNumber: 12529521
    OEM 1999 Pontiac Grand Prix Exhaust Muffler Assembly - 12529521
    Product Specifications
    • Notes: Grand Prix; 3.8l; W/Supercharger; Left
    • Other Names: Muffler
    • Item Dimensions: 20.3 x 11.7 x 7.9 inches
    • Item Weight: 13.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1999 Pontiac Grand Prix Exhaust Muffler Assembly
    More Info
    Vehicle Fitment
    • 1999 Pontiac Grand Prix | GTP | 6 Cyl 3.8 L GAS