How to replace the muffler on 2008 GMC Envoy?

To replace the muffler, remove the frame brace, spare tire, rear axle tie rod and brace. Detach shock-absorber lower bolts, remove the right rear coil spring if fitted, then loosen catalytic-converter-muffler nuts. With help, free exhaust insulators and lift out the muffler. Reinstall everything in reverse order, tightening nuts securely.

OEM 2008 GMC Envoy Muffler

Exhaust Muffler

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6 Mufflers found

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2008 GMC Envoy Muffler W/Tpipe Part Number: 25887916
$746.18 MSRP: $1120.61
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Product Specifications
- Other Name: Muffler Assembly-Exhaust (W/Resonator, Exhaust & Tail Pipe; Exhaust Pipe; Muffler; Muffler, Exhaust Tail Pipe; Muffler, Exhaust
- Item Weight: 51.40 Pounds
- Item Dimensions: 105.2 x 21.3 x 15.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25887916
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2008 GMC Envoy Submodels:
- SLE, SLT | 6 Cyl 4.2 L GAS
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2008 GMC Envoy Muffler W/Tpipe Part Number: 25839185
Product Specifications
- Other Name: Muffler Assembly-Exhaust (W/Resonator, Exhaust & Tail Pipe; Exhaust Pipe; Muffler; Muffler, Exhaust Tail Pipe; Muffler, Exhaust
- Item Weight: 166.10 Pounds
- Item Dimensions: 107.1 x 20.7 x 15.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25839185
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 GMC Envoy Submodels:
- Denali | 8 Cyl 5.3 L GAS
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2008 GMC Envoy Muffler W/Tpipe Part Number: 25839184
Product Specifications
- Other Name: Muffler Assembly-Exhaust (W/Resonator, Exhaust & Tail Pipe; Exhaust Pipe; Muffler
- Item Weight: 175.40 Pounds
- Item Dimensions: 105.8 x 21.5 x 15.9 inches
- Condition: New
- SKU: 25839184
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2008 GMC Envoy Submodels:
- Denali | 8 Cyl 5.3 L GAS
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2008 GMC Envoy Muffler W/Tpipe Part Number: 25839181
Product Specifications
- Other Name: Muffler Assembly-Exhaust (W/Resonator, Exhaust & Tail Pipe; Exhaust Pipe; Muffler; Muffler, Exhaust Tail Pipe; Muffler, Exhaust
- Item Weight: 169.60 Pounds
- Item Dimensions: 106.3 x 21.5 x 15.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25839181
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 GMC Envoy Submodels:
- Denali | 8 Cyl 5.3 L GAS
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2008 GMC Envoy Muffler W/Tpipe Part Number: 25839182
Product Specifications
- Other Name: Muffler Assembly-Exhaust (W/Resonator, Exhaust & Tail Pipe; Exhaust Pipe; Muffler; Muffler, Exhaust Tail Pipe; Muffler, Exhaust
- Item Weight: 153.40 Pounds
- Item Dimensions: 105.3 x 21.1 x 15.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25839182
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 GMC Envoy Submodels:
- Denali | 8 Cyl 5.3 L GAS
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2008 GMC Envoy Muffler W/Tpipe Part Number: 25887919
Product Specifications
- Other Name: Muffler Assembly-Exhaust (W/Resonator, Exhaust & Tail Pipe; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Muffler; Muffler, Exhaust Tail Pipe; Muffler, Exhaust
- Item Weight: 48.40 Pounds
- Item Dimensions: 105.2 x 20.3 x 15.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25887919
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 GMC Envoy Submodels:
- SLE, SLT | 6 Cyl 4.2 L GAS

2008 GMC Envoy Muffler

With a comprehensive array of OEM 2008 GMC Envoy Muffler, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2008 GMC Envoy Muffler are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2008 GMC Envoy Muffler Parts and Q&A

Q: How to replace the muffler on 2008 GMC Envoy?
A: To replace the muffler, remove the frame brace, spare tire, rear axle tie rod and brace. Detach shock-absorber lower bolts, remove the right rear coil spring if fitted, then loosen catalytic-converter-muffler nuts. With help, free exhaust insulators and lift out the muffler. Reinstall everything in reverse order, tightening nuts securely.