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GMC Envoy Replacement Muffler Information

Read Reviews for GMC Envoy Muffler -
5 stars - (6 Reviews)
GMC Envoy Muffler Reviews
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The engine in the Envoy is powerful and produces a lot of noise while it is operating. The muffler is an essential part of the exhaust system that dampens the noise that is made by the SUV. The muffler is attached to the intermediate pipe on one end and the tailpipe on the other end. Exhaust and noise from the engine has to pass through the muffler before going out of the tailpipe. Inside the muffler is a resonating chamber and the pipes are lined with perforations. As the gas and sound waves bounce around this chamber, the perforations create destructive sound interference. This cancels out much of the noise created by the vehicle and then the gas goes into the outlet to be released through tailpipes.


They are available for the following GMC Envoy years: 2009, 2008, 2007, 2006, 2005, 2004, 09, 08, 07, 06, 05, 04. This part is also sometimes called GMC Envoy Mufflers. We stock muffler parts for most GMC models including Jimmy, Sonoma, C1500, Sierra 1500, Safari, K1500, Sierra 2500 HD, Yukon, K1500 Suburban, G2500, K2500, C3500, C1500 Suburban, K3500, Sierra 2500, G3500, C2500, Savana 1500, S15, Sierra 1500 HD, R1500 Suburban, Savana 3500, Yukon XL 1500, Canyon, S15 Jimmy, K2500 Suburban, R2500 Suburban, G1500, C2500 Suburban, Savana 2500, V3500, P3500, V2500, V2500 Suburban, V1500 Suburban, Caballero, P25/P2500 Van, Sierra 3500, Sierra 3500 HD and C15/C1500 Pickup.

We stock these Muffler brands for the GMC Envoy: Walker and Magnaflow.


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Walker 55272
Muffler
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Our List Price: $106.33
(11) In Stock
Product SKU: 55272
Product Note: Quiet-Flow SS Muffler Assembly -- If welded assembly, replace all required parts.
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Sub Model Engine
• 2002 (02) GMC Envoy SLE  4.2L 6 Cyl 

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Walker 21409
Muffler
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Our List Price: $119.33
(17) In Stock
Product SKU: 21409
Product Note: Quiet-Flow SS Muffler -- Premium - Limited Lifetime Warranty; If welded assembly, replace all required parts.
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Sub Model Engine
• 2002 (02) GMC Envoy SLE  4.2L 6 Cyl 

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(Read reviews)
Our List Price: $88.33
(32) In Stock
Product SKU: 18915
Product Note: SoundFX Direct Fit Muffler -- Optional; SoundFX for 21409
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Sub Model Engine
• 2002 (02) GMC Envoy SLE  4.2L 6 Cyl 

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Walker 55272
Muffler
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Loading Reviews...
Our List Price: $106.33
(11) In Stock
Product SKU: 55272
Product Note: Quiet-Flow SS Muffler Assembly -- If welded assembly, replace all required parts.
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Sub Model Engine
• 2003 (03) GMC Envoy SLT  4.2L 6 Cyl 

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Walker 55272
Muffler
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Our List Price: $106.33
(11) In Stock
Product SKU: 55272
Product Note: Quiet-Flow SS Muffler Assembly -- If welded assembly, replace all required parts.
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Sub Model Engine
• 2004 (04) GMC Envoy SLE  4.2L 6 Cyl 

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Walker 54654
Muffler
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Our List Price: $151.33
(2) In Stock
Product SKU: 54654
Product Note: Quiet-Flow SS Muffler Assembly -- Exc. Auto Air Leveling Suspension; Premium - Limited Lifetime Warranty; If welded assembly, replace all required parts.
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Sub Model Engine
• 2006 (06) GMC Envoy SLE  4.2L 6 Cyl 

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Walker 55272
Muffler
Close
Loading Reviews...
Our List Price: $106.33
(11) In Stock
Product SKU: 55272
Product Note: Quiet-Flow SS Muffler Assembly -- Exc. Auto Air Leveling Suspension; If welded assembly, replace all required parts.
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Sub Model Engine
• 2006 (06) GMC Envoy SLE  4.2L 6 Cyl 

Click to Enlarge
Walker 55272
Muffler
Close
Loading Reviews...
Our List Price: $106.33
(11) In Stock
Product SKU: 55272
Product Note: Quiet-Flow SS Muffler Assembly -- If welded assembly, replace all required parts.
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Sub Model Engine
• 2005 (05) GMC Envoy SLT  4.2L 6 Cyl 

Click to Enlarge
(Read reviews)
Our List Price: $88.33
(32) In Stock
Product SKU: 18915
Product Note: SoundFX Direct Fit Muffler -- Optional; SoundFX for 21409
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Sub Model Engine
• 2003 (03) GMC Envoy SLT  4.2L 6 Cyl 

Click to Enlarge
Walker 21409
Muffler
Close
Loading Reviews...
Our List Price: $119.33
(17) In Stock
Product SKU: 21409
Product Note: Quiet-Flow SS Muffler -- Premium - Limited Lifetime Warranty; If welded assembly, replace all required parts.
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Sub Model Engine
• 2003 (03) GMC Envoy SLT  4.2L 6 Cyl 

Click to Enlarge
(Read reviews)
Our List Price: $88.33
(32) In Stock
Product SKU: 18915
Product Note: SoundFX Direct Fit Muffler -- Optional; SoundFX for 21409
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Sub Model Engine
• 2004 (04) GMC Envoy SLE  4.2L 6 Cyl 

Click to Enlarge
(Read reviews)
Our List Price: $88.33
(32) In Stock
Product SKU: 18915
Product Note: SoundFX Direct Fit Muffler -- Optional; SoundFX for 21409
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Sub Model Engine
• 2005 (05) GMC Envoy SLT  4.2L 6 Cyl 

Click to Enlarge
Walker 21409
Muffler
Close
Loading Reviews...
Our List Price: $119.33
(17) In Stock
Product SKU: 21409
Product Note: Quiet-Flow SS Muffler -- Premium - Limited Lifetime Warranty; If welded assembly, replace all required parts.
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: B
Vehicle Sub Model Engine
• 2004 (04) GMC Envoy SLE  4.2L 6 Cyl 


Click to Enlarge
(Read reviews)
Our List Price: $135.40
with FREE Shipping
(>15) In Stock
Product SKU: 12588
Product Note: Stainless Steel; 5x11 in. Oval Body; 3 in. Inlet / Dual 2.5 in. Outlet; Center / Dual; 2.5 in. Core; 22 in. Body / 28 in. Overall Length; Satin
Features:
  • 100% Stainless Steel Construction
  • All Welded/Built To Last
  • For Cars; Trucks and SUVs
  • Great Sound -Has A Smooth; Deep Tone
  • Limited Lifetime Warranty Against Manufacturing Defects
  • Reversible For Custom Installation
  • Straight-Through; Wide Open Design
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: F
Vehicle Sub Model Engine
• 2009 (09) GMC Envoy SLE  4.2L 6 Cyl 


Click to Enlarge
(Read reviews)
Our List Price: $169.26
with FREE Shipping
(3) In Stock
Product SKU: 14588
Product Note: Stainless Steel; 5 x 11 in. Oval Body; 3 in. Inlet / 2.5 in. Outlet; Center / Dual; 2.5 in. Core; 22 in. Body Length / 28 in. Overall Length; Polished
Features:
  • 100% Stainless Steel; Mirror Finished.
  • All Welded/Built To Last
  • For Cars; Trucks and SUVs
  • Great Sound -Has A Smooth; Deep Tone
  • Limited Lifetime Warranty Against Manufacturing Defects
  • Reversible For Custom Installation
  • Straight-Through; Wide Open Design
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping
Additional Fitment Information: Catalog: F
Vehicle Sub Model Engine
• 2008 (08) GMC Envoy SLE  4.2L 6 Cyl 

Click to Enlarge
(Read reviews)
Our List Price: $81.98
(4) In Stock
Product SKU: 18915
Product Note: SoundFX Direct Fit Muffler -- Optional; SoundFX for 21409
Inventory: In Stock
Condition: New

Shipping Options:
Ground
Additional Fitment Information: Catalog: H
Vehicle Sub Model Engine
• 2005 (05) GMC Envoy SLT  4.2L 6 Cyl 


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Some of our Customer Reviews
Very Satisfied
Reviewer: Exhaust replacement

The muffler was the same part that was in this car since new, being the same it was a easy installation. Would recommend this site to anyone looking for parts for their car, excellent parts with quick service.

2006 GMC Envoy Muffler


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