< Back ×
My Vehicle Change Vehicle
2008 GMC Yukon
< Back to View All
Exhaust Manifolds, Pipes & Mufflers
- Department
- Body Length
- Inlet Configuration
- Material
- Outlet Configuration
- Shape
- Brands
- Prices
Walker® Quiet Flow Stainless Steel Oval Bare Exhaust Muffler for 2008 GMC Yukon
PartNumber: 21684Product Specifications- Notes: Premium - Limited Lifetime Warranty; If welded Assy, replace all Reqd parts.
- Body Height: 6.000
- Body Length: 25.000
- Body Material: Stainless Steel
- Body Width: 11.500
- Exhaust Component Mount Type: No Mounts
- Finish: Aluminized
- Grade Type: Regular
- Inlet 1 Inside Diameter: 3.000
- Inlet 1 Type: Pipe Connection
- Inlet Configuration: Offset
- Inlet Offset: 3.5
- Internet Product Code (IPC): BA13F4B6FD2
- Item has MSDS (SDS): N
- Max Year Covered: 2010
- MFG Brand Name: Walker Exhaust
- MFG Model # (Series): 21684
- MFG Name: Tenneco, Inc
- Min Year Covered: 2007
- Most Popular Make / Model: GMC Yukon
- Most Popular Year: 2007
- Muffler Body Height: 6.0
- Muffler Body Length: 25.0
- Muffler Body Material: Stainless Steel
- Muffler Body Width: 11.5
- Muffler Color / Finish: Bare
- Muffler Inlet: Offset
- Muffler Inlet Connection Type: Pipe Connection
- Muffler Inlet Count: 1
- Muffler Inlet Diameter (in): 3.0
- 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): 3.0
- Muffler Outlet Diameter Designation: Inside Diameter
- Muffler Overall Length: 30.0
- Muffler Reversible: No
- Muffler Shape: Oval
- Outlet 1 Inside Diameter: 3.000
- Outlet Configuration: Offset
- Overall Length: 30.000
- Product Grade: Economy
- Reversible: No
- Shape: Oval
- Supplier Company Name: Tenneco, Inc
- Total Part VIO: 306480
- Universal Or Specific Fit: Specific
- UPC: 086387216845
- Part Description: 2008 GMC Yukon Quiet Flow Stainless Steel Oval Bare Exhaust Muffler
Vehicle Fitment- 2008 GMC Yukon | Denali | 8 Cyl 6.2L
$108.22
OEM (Genuine) 2008 GMC Yukon Muffler & Pipe
PartNumber: 25924428
Product Specifications- Notes: Tahoe, Yukon, Escalade; 2008-10
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 95.5 x 20.8 x 14.6 inches
- Item Weight: 54.60 Pounds
- Fitment Type: Direct Replacement
- Replaces: 25892559
- Part Description: 2008 GMC Yukon Muffler & Pipe
Vehicle Fitment- 2008 GMC Yukon | Hybrid | 8 Cyl 6.0 L ELECTRIC/GAS
$812.17 MSRP:$1225.25You Save: $413.08 (34%)
Walker® Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler for 2008 GMC Yukon
PartNumber: 21614Product Specifications- Notes: Premium - Limited Lifetime Warranty; If welded Assy, replace all Reqd parts.
- Body Height: 7.000
- Body Length: 28.000
- Body Material: Stainless Steel
- Body Width: 9.000
- Exhaust Component Mount Type: No Mounts
- Finish: Aluminized
- Grade Type: Regular
- Inlet 1 Inside Diameter: 2.625
- Inlet 1 Type: Pipe Connection
- Inlet Configuration: Offset
- Inlet Offset: 1.625
- Internet Product Code (IPC): C2DBCE66E4C
- Item has MSDS (SDS): N
- Max Year Covered: 2019
- MFG Brand Name: Walker Exhaust
- MFG Model # (Series): 21614
- MFG Name: Tenneco, Inc
- Min Year Covered: 2007
- Most Popular Make / Model: Chevrolet Tahoe
- Most Popular Year: 2007
- Muffler Body Height: 7.0
- Muffler Body Length: 28.0
- 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): 2.625
- 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): 2.625
- Muffler Outlet Diameter Designation: Inside Diameter
- Muffler Overall Length: 32.0
- Muffler Reversible: No
- Muffler Shape: Oval
- Outlet 1 Inside Diameter: 2.625
- Outlet Configuration: Offset
- Overall Length: 32.000
- Product Grade: Economy
- Reversible: No
- Shape: Oval
- Supplier Company Name: Tenneco, Inc
- Total Part VIO: 2007369
- Universal Or Specific Fit: Specific
- UPC: 086387216142
- Part Description: 2008 GMC Yukon Quiet Flow Stainless Steel Oval Aluminized Exhaust Muffler
Vehicle Fitment- 2008 GMC Yukon | All Trims | 8 Cyl 5.3L
$81.31
OEM (Genuine) 2008 GMC Yukon Resonator
PartNumber: 25786597
Product Specifications- Notes: Tahoe, Yukon, Escalade; 610MM; 2008-10
- Other Names: Resonator, Resonator & Pipe
- Item Dimensions: 52.4 x 19.7 x 8.2 inches
- Item Weight: 24.80 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2008 GMC Yukon Resonator
Vehicle Fitment- 2008 GMC Yukon | Denali Hybrid, Hybrid | 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS
$289.05 MSRP:$436.07You Save: $147.02 (34%)
OEM (Genuine) 2008 GMC Yukon Muffler & Pipe
PartNumber: 25920417
Product Specifications- Notes: W/O Dual Tailpipe, 5.3 Liter; Tahoe, Yukon, Escalade; 5.3L
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 106.6 x 28.7 x 14.5 inches
- Item Weight: 58.20 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2008 GMC Yukon Muffler & Pipe
Vehicle Fitment- 2008 GMC Yukon | SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
OEM (Genuine) 2008 GMC Yukon Exhaust Muffler Assembly (W/ Tail Pipe)
PartNumber: 22751285
Product Specifications- Notes: Tahoe, Yukon, Escalade; 6.2L
- Other Names: Exhaust Pipe, Muffler, Muffler & Pipe
- Item Dimensions: 88.3 x 20.7 x 14.7 inches
- Item Weight: 55.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2008 GMC Yukon Exhaust Muffler Assembly (W/ Tail Pipe)
Vehicle Fitment- 2008 GMC Yukon | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
OEM (Genuine) 2008 GMC Yukon Muffler & Pipe
PartNumber: 20757529Product Specifications- Notes: W/O Dual Tailpipe, 6.2 Liter; Tahoe, Yukon, Escalade; 6.2L
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 108.3 x 25.8 x 15.3 inches
- Item Weight: 61.60 Pounds
- Fitment Type: Direct Replacement
- Replaces: 25920414, 25971308
- Part Description: 2008 GMC Yukon Muffler & Pipe
Vehicle Fitment- 2008 GMC Yukon | Denali | 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
OEM (Genuine) 2008 GMC Yukon Exhaust Muffler Assembly (W/ Resonator, Exhaust & Tail Pipe
PartNumber: 25920413Product Specifications- Notes: W/O Dual Tailpipe, 4.8 Liter; Tahoe, Yukon, Escalade; 4.8L
- Other Names: Muffler, Muffler & Pipe
- Item Dimensions: 107.0 x 27.6 x 15.1 inches
- Item Weight: 71.30 Pounds
- Fitment Type: Direct Replacement
- Replaces: 15881541
- Part Description: 2008 GMC Yukon Exhaust Muffler Assembly (W/ Resonator, Exhaust & Tail Pipe
Vehicle Fitment- 2008 GMC Yukon | SLE | 8 Cyl 4.8 L GAS
OEM (Genuine) 2008 GMC Yukon Exhaust Resonator Kit(W/ Tail Pipe)
PartNumber: 25851500
Product Specifications- Notes: Tahoe, Yukon, Escalade; 400MM
- Other Names: Resonator
- Item Dimensions: 38.8 x 20.6 x 12.3 inches
- Item Weight: 45.00 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2008 GMC Yukon Exhaust Resonator Kit(W/ Tail Pipe)
Vehicle Fitment- 2008 GMC Yukon | Denali Hybrid, Hybrid | 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS
FAQ for Muffler Repair
Q: What is the recommended torque for the catalytic converter nuts?
A:
The recommended torque is 45 N.m(33 lb-ft).
By Bob
GM Specialist
01/11/2022Q: What should be noticed when you install the Muffler?
A:
You should notice that you should not over-extend the flex coupler as internal damage may occur during installation.
By Bob
GM Specialist
01/11/2022Q: What should you do when you disconnect the right rear automatic level control sensor link rod from the sensor?
A:
You should support the sensor lever with your hand and twist the link rod ball to separate it from the ball stud.
By Bob
GM Specialist
01/11/2022Q: How do you remove the Muffler?
A:
You can raise and suitably support the vehicle, remove the exhaust muffler to the right catalytic converter nuts, loosen the exhaust pipe clamp at the left catalytic converter, lubricate the insulators, remove the insulators and pull the muffler assembly rearward.
By Bob
GM Specialist
01/11/2022Q: How do you install the Muffler?
A:
You can lubricate the insulators, install the muffler assembly, rotate the muffler into position over the rear axle, move the muffler rearward, install the insulators to the exhaust system hanger, tighten the exhaust pipe clamp at the left catalytic converter and install the exhaust muffler to right catalytic converter nuts.
By Bob
GM Specialist
01/11/2022