< Back ×
< Back to View All
Exhaust Manifolds, Pipes & Mufflers
- Department
- Body Length
- Inlet Configuration
- Material
- Outlet Configuration
- Shape
- Brands
- Prices
OEM (Genuine) Nissan Pathfinder Exhaust, Main Muffler Assembly
PartNumber: 20100-ZL00A
Product Specifications- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 52.5 x 16.0 x 7.1 inches
- Item Weight: 22.00 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20100-EA210
- Part Description: Nissan Pathfinder Exhaust, Main Muffler Assembly
$494.61 MSRP:$681.30You Save: $186.69 (28%)
Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler And Pipe Assembly for Nissan Pathfinder
PartNumber: 53111Product 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: Nissan Pathfinder Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler And Pipe Assembly
$106.30
OEM (Genuine) Nissan Pathfinder Exhaust, Main Muffler Assembly
PartNumber: 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: Nissan Pathfinder Exhaust, Main Muffler Assembly
$781.05 MSRP:$1084.80You Save: $303.75 (29%)
Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler And Pipe Assembly for Nissan Pathfinder
PartNumber: 55529Product Specifications- Inlet Connection Type: 1 Pipe Connection and 1 Welded Tip
- 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: 22"
- Muffler Body Material: Stainless Steel
- Muffler Body Shape: Oval
- Muffler Body Width: 11"
- Muffler Inlet Diameter: 2.25"-2"
- Muffler Inlet-Outlet Configuration: Offset - Offset
- Muffler Outlet Diameter: 2.25"
- Muffler Overall Length: 51.125"
- Muffler Reversibility: No
- Muffler Series: Quiet-Flow™
- Muffler Type: Combination
- Outlet Connection Type: Pipe Connection
- Outlet Diameter Designation: Outside Diameter
- Outlet Quantity: 1
- Part Description: Nissan Pathfinder Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler And Pipe Assembly
$99.68
Bosal® Rear Exhaust Muffler for Nissan Pathfinder
PartNumber: 278-375Product 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: Nissan Pathfinder Rear Exhaust Muffler
$121.78
OEM (Genuine) Nissan Pathfinder Muffler Assembly
PartNumber: 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: Nissan Pathfinder Muffler Assembly
$304.51 MSRP:$416.02You Save: $111.51 (27%)
Walker® Soundfx Front Aluminized Steel Oval Direct Fit Exhaust Muffler for Nissan Pathfinder
PartNumber: 18963Product 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: Nissan Pathfinder Soundfx Front Aluminized Steel Oval Direct Fit Exhaust Muffler
$79.22
OEM (Genuine) Nissan Pathfinder Exhaust, Main Muffler Assembly
PartNumber: 20100-3JA0A
Product Specifications- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 65.5 x 25.0 x 9.2 inches
- Item Weight: 43.90 Pounds
- Fitment Type: Direct Replacement
- Part Description: Nissan Pathfinder Exhaust, Main Muffler Assembly
$592.30 MSRP:$815.85You Save: $223.55 (28%)
Walker® Quiet Flow Rear Stainless Steel Round Aluminized Exhaust Muffler And Pipe Assembly for Nissan Pathfinder
PartNumber: 54378Product 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: Nissan Pathfinder Quiet Flow Rear Stainless Steel Round Aluminized Exhaust Muffler And Pipe Assembly
$75.15
OEM (Genuine) Nissan Pathfinder Muffler Assembly
PartNumber: 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: Nissan Pathfinder Muffler Assembly
$346.41 MSRP:$473.25You Save: $126.84 (27%)
OEM (Genuine) Nissan Pathfinder Exhaust, Main Muffler Assembly
PartNumber: 20100-3JV0A
Product Specifications- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 69.9 x 14.8 x 9.1 inches
- Item Weight: 28.10 Pounds
- Fitment Type: Direct Replacement
- Part Description: Nissan Pathfinder Exhaust, Main Muffler Assembly
$783.99 MSRP:$1088.88You Save: $304.89 (29%)
OEM (Genuine) Nissan Pathfinder Exhaust, Main Muffler Assembly
PartNumber: 20100-3KM0A
Product Specifications- Other Names: Muffler
- Item Dimensions: 64.3 x 16.5 x 8.1 inches
- Item Weight: 18.40 Pounds
- Fitment Type: Direct Replacement
- Part Description: Nissan Pathfinder Exhaust, Main Muffler Assembly
$715.34 MSRP:$985.33You Save: $269.99 (28%)
OEM (Genuine) Nissan Pathfinder Exhaust, Main Muffler Assembly
PartNumber: 20100-ZL10A
Product Specifications- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 52.0 x 16.6 x 8.3 inches
- Item Weight: 32.50 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20100-ZS00D
- Part Description: Nissan Pathfinder Exhaust, Main Muffler Assembly
$483.28 MSRP:$665.68You Save: $182.40 (28%)
Walker® Soundfx Rear Aluminized Steel Round Direct Fit Exhaust Muffler for Nissan Pathfinder
PartNumber: 18962Product 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: Nissan Pathfinder Soundfx Rear Aluminized Steel Round Direct Fit Exhaust Muffler
$57.77
Walker® Soundfx Aluminized Steel Oval Direct Fit Exhaust Muffler for Nissan Pathfinder
PartNumber: 18964Product 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: Nissan Pathfinder Soundfx Aluminized Steel Oval Direct Fit Exhaust Muffler
$83.15
Bosal® Rear Exhaust Muffler for Nissan Pathfinder
PartNumber: 278-713Product 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: Nissan Pathfinder Rear Exhaust Muffler
Bosal® Rear Exhaust Muffler for Nissan Pathfinder
PartNumber: 283-275Product Specifications- Exhaust Component Mount Type: Uses New Hangers (Included)
- Internet Product Code (IPC): 71704C94B0B
- Item has MSDS (SDS): N
- MFG Brand Name: Bosal
- MFG Model # (Series): 283-275
- MFG Name: Bosal
- Muffler Body Height (in): 6.29
- Muffler Body Length: 15.66
- Muffler Body Material: Aluminized Steel
- Muffler Color / Finish: Aluminized
- Muffler Inlet: Offset
- Muffler Inlet Connection Type: Flange Connection
- Muffler Inlet Count: 1
- Muffler Inlet Diameter (in): 1.87
- Muffler Inlet Diameter Designation: Inside Diameter
- Muffler Outlet: Offset
- Muffler Outlet Connection Type: Pipe Connection
- Muffler Overall Length (in): 74.0
- Muffler Reversible: No
- Muffler Shape: Round
- Muffler Type: Reflection
- Supplier Company Name: Bosal
- UPC: 623920015765
- Part Description: Nissan Pathfinder Rear Exhaust Muffler
OEM (Genuine) Nissan Pathfinder Exhaust Tube Assembly, Front
PartNumber: 20010-42G00Product Specifications- Other Names: Center Pipe, Exhaust Pipe, Rear Pipe
- Item Dimensions: 25.8 x 5.1 x 3.8 inches
- Item Weight: 5.40 Pounds
- Fitment Type: Direct Replacement
- Part Description: Nissan Pathfinder Exhaust Tube Assembly, Front
OEM (Genuine) Nissan Pathfinder Exhaust Tube Assembly, Center
PartNumber: 20011-83P10Product Specifications- Other Names: Center Pipe, Exhaust Pipe, Rear Pipe
- Item Dimensions: 26.2 x 8.4 x 4.7 inches
- Item Weight: 8.20 Pounds
- Fitment Type: Direct Replacement
- Part Description: Nissan Pathfinder Exhaust Tube Assembly, Center
OEM (Genuine) Nissan Pathfinder MUFFLER Assembly - Exhaust Main
PartNumber: 20100-0W729Product Specifications- Item Dimensions: 68.6 x 36.4 x 11.6 inches
- Item Weight: 38.90 Pounds
- Replaces: 20100-0W727, 20100-0W725, 20100-0W728
- Part Description: Nissan Pathfinder MUFFLER Assembly - Exhaust Main
OEM (Genuine) Nissan Pathfinder Exhaust Muffler Assembly
PartNumber: 20100-0W705
Product Specifications- Item Dimensions: 67.2 x 31.8 x 7.4 inches
- Item Weight: 35.60 Pounds
- Replaces: 20100-0W701, 20100-0W700
- Part Description: Nissan Pathfinder Exhaust Muffler Assembly
OEM (Genuine) Nissan Pathfinder Exhaust, Main Muffler Assembly
PartNumber: 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: Nissan Pathfinder Exhaust, Main Muffler Assembly
OEM (Genuine) Nissan Pathfinder Exhaust, Main Muffler Assembly
PartNumber: 20100-2W600
Product Specifications- Item Dimensions: 65.9 x 31.6 x 10.1 inches
- Item Weight: 31.60 Pounds
- Replaces: 20100-1W200, 20100-1W201, 20100-2W100, 20100-1W205, 20100-2W120, 20100-1W000
- Part Description: Nissan Pathfinder Exhaust, Main Muffler Assembly
OEM (Genuine) Nissan Pathfinder Exhaust, Main Muffler Assembly
PartNumber: 20100-42G00Product Specifications- Part Description: Nissan Pathfinder Exhaust, Main Muffler Assembly
OEM (Genuine) Nissan Pathfinder Muffler Assembly
PartNumber: 20350-0W005Product Specifications- Other Names: Muffler, Resonator
- Item Dimensions: 49.9 x 12.1 x 10.3 inches
- Item Weight: 11.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: Nissan Pathfinder Muffler Assembly
OEM (Genuine) Nissan Pathfinder Exhaust Muffler Assembly
PartNumber: 20100-41G00Product Specifications- Other Names: Muffler & Pipe
- Item Dimensions: 73.1 x 26.3 x 15.7 inches
- Item Weight: 25.30 Pounds
- Fitment Type: Direct Replacement
- Part Description: Nissan Pathfinder Exhaust Muffler Assembly
OEM (Genuine) Nissan Pathfinder Exhaust, Main Muffler Assembly
PartNumber: 20100-83P15Product Specifications- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 75.2 x 18.4 x 15.5 inches
- Item Weight: 29.10 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20100-88G20, 20100-83P00, 20100-88G60
- Part Description: Nissan Pathfinder Exhaust, Main Muffler Assembly
OEM (Genuine) Nissan Pathfinder MUFFLER Assembly
PartNumber: 20100-17C03Product Specifications- Item Dimensions: 31.0 x 16.5 x 6.6 inches
- Item Weight: 17.40 Pounds
- Replaces: 20100-17C02, 20100-17C01
- Part Description: Nissan Pathfinder MUFFLER Assembly
OEM (Genuine) Nissan Pathfinder Exhaust Muffler Assembly
PartNumber: 20100-31G00Product Specifications- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 65.1 x 26.0 x 15.7 inches
- Item Weight: 22.50 Pounds
- Fitment Type: Direct Replacement
- Part Description: Nissan Pathfinder Exhaust Muffler Assembly
OEM (Genuine) Nissan Pathfinder Muffler Assembly
PartNumber: 20350-17C01Product Specifications- Other Names: Muffler
- Item Dimensions: 45.7 x 12.2 x 8.4 inches
- Item Weight: 13.80 Pounds
- Fitment Type: Direct Replacement
- Replaces: 20350-17C00
- Part Description: Nissan Pathfinder Muffler Assembly