How to Install a Muffler on a 3.7L/4.7L Engine on 2008 Jeep Commander?

Begin by placing the muffler and tailpipe assembly in the vehicle, then put in the insulators. Tighten the flange for the front exhaust pipe/catalytic converter with two bolts and nuts afterward secure it with a ground strap (5). The muffler/tailpipe assembly should be positioned and aligned properly and kept far enough away from other parts so there is a minimum distance of 25mm (1 inch) between them. Adjust the nuts (2) to reach 47 Nm (35 ft. lbs.). At this point, put in the RH shock absorber and the stabilizer bar. After that, bring the vehicle down, start the motor and check for leaks in the exhaust, fixing them if you find any.

OEM 2008 Jeep Commander Muffler

Exhaust Muffler

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3 Mufflers found

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2008 Jeep Commander Muffler W/Tpipe Part Number: 52090456AF
$1215.50 MSRP: $1855.00
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Product Specifications
- Other Name: Muffler - Exhaust; Exhaust Muffler; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Resonator; Muffler; Muffler And Tailpipe Exhaust
- Replaces: 52090456AE
- Item Weight: 43.70 Pounds
- Item Dimensions: 100.5 x 20.9 x 13.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 52090456AF
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2008 Jeep Commander Submodels:
- 65th Anniversary Edition, Base, Sport | 6 Cyl 3.7 L GAS
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2008 Jeep Commander Muffler W/Tpipe Part Number: 68025030AA
Product Specifications
- Other Name: Muffler - Exhaust; Exhaust Muffler; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Resonator; Muffler; Muffler And Tailpipe Exhaust
- Item Weight: 41.50 Pounds
- Item Dimensions: 102.5 x 24.0 x 14.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 68025030AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Commander Submodels:
- Limited, Sport | 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS
View related parts
2008 Jeep Commander Muffler W/Tpipe Part Number: 52090458AH
Product Specifications
- Other Name: Muffler - Exhaust; Exhaust Muffler; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Resonator; Muffler; Muffler And Tailpipe Exhaust
- Replaces: 52090458AG
- Item Weight: 41.10 Pounds
- Item Dimensions: 101.3 x 25.4 x 16.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 52090458AH
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Commander Submodels:
- Limited, Overland | 8 Cyl 5.7 L GAS

2008 Jeep Commander Muffler Parts and Q&A

Q: How to Install a Muffler on a 3.7L/4.7L Engine on 2008 Jeep Commander?
A: Begin by placing the muffler and tailpipe assembly in the vehicle, then put in the insulators. Tighten the flange for the front exhaust pipe/catalytic converter with two bolts and nuts afterward secure it with a ground strap (5). The muffler/tailpipe assembly should be positioned and aligned properly and kept far enough away from other parts so there is a minimum distance of 25mm (1 inch) between them. Adjust the nuts (2) to reach 47 Nm (35 ft. lbs.). At this point, put in the RH shock absorber and the stabilizer bar. After that, bring the vehicle down, start the motor and check for leaks in the exhaust, fixing them if you find any.