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2008 Chevrolet Impala
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Exhaust Manifolds, Pipes & Mufflers
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- Body Length
- Inlet Configuration
- Material
- Outlet Configuration
- Shape
- Brands
- Prices
Walker® Quiet Flow Passenger Side Stainless Steel Oval Aluminized Exhaust Muffler for 2008 Chevrolet Impala
PartNumber: 21570Product Specifications- Notes: Premium - Limited Lifetime Warranty; If Welded Assy, Replace All Reqd Parts
- 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): A9D0B338643
- Item has MSDS (SDS): N
- Max Year Covered: 2011
- MFG Brand Name: Walker Exhaust
- MFG Model # (Series): 21570
- MFG Name: Tenneco, Inc
- Min Year Covered: 2006
- Most Popular Make / Model: Chevrolet Impala
- Most Popular Year: 2008
- 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: Tip - Welded Spout
- Muffler Outlet Count: 1
- Muffler Outlet Diameter (in): 2.25
- Muffler Outlet Diameter Designation: Outside Diameter
- Muffler Overall Length: 32.4
- Muffler Reversible: No
- Muffler Shape: Oval
- Outlet 1 Outside Diameter: 2.250
- Outlet Configuration: Offset
- Overall Length: 32.500
- Product Grade: Economy
- Reversible: No
- Shape: Oval
- Supplier Company Name: Tenneco, Inc
- Total Part VIO: 239761
- Universal Or Specific Fit: Specific
- UPC: 086387215701
- Part Description: 2008 Chevrolet Impala Quiet Flow Passenger Side Stainless Steel Oval Aluminized Exhaust Muffler
Vehicle Fitment- 2008 Chevrolet Impala | All Trims | 8 Cyl 5.3L
- 2008 Chevrolet Impala | All Trims | 6 Cyl 3.9L
$79.12
Walker® Quiet Flow Driver Side Stainless Steel Oval Aluminized Exhaust Muffler for 2008 Chevrolet Impala
PartNumber: 21571Product Specifications- Notes: Premium - Limited Lifetime Warranty; If Welded Assy, Replace All Reqd Parts
- 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): 125BF90091E
- Item has MSDS (SDS): N
- Max Year Covered: 2011
- MFG Brand Name: Walker Exhaust
- MFG Model # (Series): 21571
- MFG Name: Tenneco, Inc
- Min Year Covered: 2006
- Most Popular Make / Model: Chevrolet Impala
- Most Popular Year: 2008
- 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: Tip - Welded Spout
- Muffler Outlet Count: 1
- Muffler Outlet Diameter (in): 2.25
- Muffler Outlet Diameter Designation: Outside Diameter
- Muffler Overall Length: 32.4099
- Muffler Reversible: No
- Muffler Shape: Oval
- Outlet 1 Outside Diameter: 2.250
- Outlet Configuration: Offset
- Overall Length: 32.500
- Product Grade: Economy
- Reversible: No
- Shape: Oval
- Supplier Company Name: Tenneco, Inc
- Total Part VIO: 239761
- Universal Or Specific Fit: Specific
- UPC: 086387215718
- Part Description: 2008 Chevrolet Impala Quiet Flow Driver Side Stainless Steel Oval Aluminized Exhaust Muffler
Vehicle Fitment- 2008 Chevrolet Impala | All Trims | 8 Cyl 5.3L
- 2008 Chevrolet Impala | All Trims | 6 Cyl 3.9L
$79.12
Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for 2008 Chevrolet Impala
PartNumber: 21558Product Specifications- Notes: Premium - Limited Lifetime Warranty; w/One Converter; If welded Assy, replace all Reqd parts.
- Inlet Connection Type: Pipe Connection
- Inlet Diameter Designation: Outside Diameter
- Inlet Quantity: 1
- Item Grade: OEM Standard Part
- Muffler Body Finish: Aluminized
- Muffler Body Height: 5.5"
- Muffler Body Length: 15"
- Muffler Body Material: Stainless Steel
- Muffler Body Shape: Oval
- Muffler Body Width: 11"
- Muffler Inlet Diameter: 2.25"
- Muffler Inlet-Outlet Configuration: Offset - Center
- Muffler Outlet Diameter: 2.25"
- Muffler Overall Length: 27.1875"
- Muffler Reversibility: No
- Muffler Series: Quiet-Flow™
- Muffler Type: Combination
- Outlet Connection Type: Tip - Welded Spout
- Outlet Diameter Designation: Outside Diameter
- Outlet Quantity: 1
- Part Description: 2008 Chevrolet Impala Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
Vehicle Fitment- 2008 Chevrolet Impala | All Trims | 6 Cyl 3.5L
$68.19
Walker® Soundfx Passenger Side Aluminized Steel Oval Direct Fit Exhaust Muffler for 2008 Chevrolet Impala
PartNumber: 18949Product Specifications- Notes: If Welded Assy, Replace All Reqd Parts; Optional; SoundFX for 21570
- Body Height: 7.000
- Body Length: 14.000
- Body Material: Steel
- Body Width: 9.000
- 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): 9E0A5AA4DD5
- Item has MSDS (SDS): N
- Max Year Covered: 2011
- MFG Brand Name: Walker Exhaust
- MFG Model # (Series): 18949
- MFG Name: Tenneco, Inc
- Min Year Covered: 2006
- Most Popular Make / Model: Chevrolet Impala
- Most Popular Year: 2008
- Muffler Body Height: 7
- Muffler Body Length: 14
- 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): 1.875
- 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: Outside Diameter
- Muffler Overall Length: 32.5
- Muffler Reversible: No
- Muffler Shape: Oval
- Outlet 1 Outside Diameter: 2.250
- Outlet Configuration: Offset
- Overall Length: 32.500
- Product Grade: Economy
- Reversible: No
- Shape: Oval
- Supplier Company Name: Tenneco, Inc
- Total Part VIO: 239761
- Universal Or Specific Fit: Specific
- UPC: 086387189491
- Part Description: 2008 Chevrolet Impala Soundfx Passenger Side Aluminized Steel Oval Direct Fit Exhaust Muffler
Vehicle Fitment- 2008 Chevrolet Impala | All Trims | 8 Cyl 5.3L
- 2008 Chevrolet Impala | All Trims | 6 Cyl 3.9L
$46.98
Walker® Soundfx Aluminized Steel Oval Direct Fit Exhaust Muffler for 2008 Chevrolet Impala
PartNumber: 18948Product Specifications- Notes: w/One Converter; If welded Assy, replace all Reqd parts; Optional; SoundFX for 21558
- Body Height: 5.500
- Body Length: 15.000
- Body Material: Steel
- Body Width: 11.000
- 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): 154BA7299CD
- Item has MSDS (SDS): N
- Max Year Covered: 2011
- MFG Brand Name: Walker Exhaust
- MFG Model # (Series): 18948
- MFG Name: Tenneco, Inc
- Min Year Covered: 2006
- Most Popular Make / Model: Chevrolet Impala
- Most Popular Year: 2008
- Muffler Body Height: 5.5
- Muffler Body Length: 15
- Muffler Body Material: Steel
- Muffler Body Width: 11
- 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 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: 27.25
- Muffler Reversible: No
- Muffler Shape: Oval
- Outlet 1 Outside Diameter: 2.250
- Outlet Configuration: Center
- Overall Length: 27.250
- Product Grade: Economy
- Reversible: No
- Shape: Oval
- Supplier Company Name: Tenneco, Inc
- Total Part VIO: 984077
- Universal Or Specific Fit: Specific
- UPC: 086387189484
- Part Description: 2008 Chevrolet Impala Soundfx Aluminized Steel Oval Direct Fit Exhaust Muffler
Vehicle Fitment- 2008 Chevrolet Impala | All Trims | 6 Cyl 3.5L
$40.81
Walker® Soundfx Driver Side Aluminized Steel Oval Direct Fit Exhaust Muffler for 2008 Chevrolet Impala
PartNumber: 18950Product Specifications- Notes: If Welded Assy, Replace All Reqd Parts; Optional; SoundFX for 21571
- Body Height: 7.000
- Body Length: 14.000
- Body Material: Steel
- Body Width: 9.000
- 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): 370E0A2F474
- Item has MSDS (SDS): N
- Max Year Covered: 2011
- MFG Brand Name: Walker Exhaust
- MFG Model # (Series): 18950
- MFG Name: Tenneco, Inc
- Min Year Covered: 2006
- Most Popular Make / Model: Chevrolet Impala
- Most Popular Year: 2008
- Muffler Body Height: 7
- Muffler Body Length: 14
- 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): 1.875
- 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: Outside Diameter
- Muffler Overall Length: 32.5
- Muffler Reversible: No
- Muffler Shape: Oval
- Outlet 1 Outside Diameter: 2.250
- Outlet Configuration: Offset
- Overall Length: 32.500
- Product Grade: Economy
- Reversible: No
- Shape: Oval
- Supplier Company Name: Tenneco, Inc
- Total Part VIO: 239761
- Universal Or Specific Fit: Specific
- UPC: 086387189507
- Part Description: 2008 Chevrolet Impala Soundfx Driver Side Aluminized Steel Oval Direct Fit Exhaust Muffler
Vehicle Fitment- 2008 Chevrolet Impala | All Trims | 8 Cyl 5.3L
- 2008 Chevrolet Impala | All Trims | 6 Cyl 3.9L
$44.99
OEM (Genuine) 2008 Chevrolet Impala Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
PartNumber: 20963869
Product Specifications- Notes: Impala; 3.5l
- Other Names: Muffler, Muffler W/Tailpipe
- Item Dimensions: 112.8 x 28.7 x 9.8 inches
- Item Weight: 38.00 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20881329, 25794072, 15849114
- Part Description: 2008 Chevrolet Impala Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
Vehicle Fitment- 2008 Chevrolet Impala | 50th Anniversary Edition, LS, LT | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
OEM (Genuine) 2008 Chevrolet Impala Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
PartNumber: 25794073
Product Specifications- Notes: Impala; 5.3l; 5.3 Liter
- Other Names: Muffler, Muffler W/Tailpipe
- Item Dimensions: 118.0 x 52.3 x 9.9 inches
- Item Weight: 55.80 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2008 Chevrolet Impala Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
Vehicle Fitment- 2008 Chevrolet Impala | SS | 8 Cyl 5.3 L GAS
OEM (Genuine) 2008 Chevrolet Impala Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
PartNumber: 25794075
Product Specifications- Notes: Impala; 3.9l; 3.9 Liter
- Other Names: Muffler, Muffler W/Tailpipe
- Item Dimensions: 117.8 x 50.3 x 9.5 inches
- Item Weight: 55.80 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2008 Chevrolet Impala Exhaust Muffler Assembly (W/ Exhaust Pipe & Tail Pipe)
Vehicle Fitment- 2008 Chevrolet Impala | LS, LT, LTZ, Police | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
FAQ for Muffler Repair
Q: What's the removal procedure for the dual outlet muffler?
A:
The removal procedure is to remove the catalytic converter, support the exhaust system, remove the exhaust system from the exhaust hangers with the aid of an assistant, and clean the catalytic converter and the muffler mating surfaces.
By Bob
GM Specialist
01/11/2022Q: What's the removal procedure for the single-outlet muffler?
A:
The removal procedure is to remove the catalytic converter, have an assistant support the muffler assembly, remove the muffler assembly from the exhaust insulators, and clean the catalytic converter and the muffler mating surfaces.
By Bob
GM Specialist
01/11/2022Q: What's the installation procedure for the dual outlet muffler?
A:
The installation procedure is to install the muffler to the exhaust hangers with the aid of an assistant, remove the support from the exhaust system and install the catalytic converter.
By Bob
GM Specialist
01/11/2022