How to replace the exhaust muffler on LLV or LLR engines (2.9L, 3.7L) on GMC Canyon?

To replace the exhaust Muffler on the items with llv or llr engines (2.9L, 3.7L), first lift the vehicle and support it, being careful to not extend too much the rear brake hose. Remove low left & right shock absorber nuts and bolts, low rear leaf spring nut and bolt, and winter edge of block of wood between the frame and rear axle. Make sure not to over-flex or damage the flex joint in this process. Second, take off the nuts that hold the Muffler to the Catalytic Converter, without using oil lubricants. Squirt some soapy water on the exhaust pipe hanger rods to make it easy to take the exhaust hangers out and pry out the hangers. To remove the Muffler slide it rearward from Catalytic Converter, rotate it 90 degrees counterclockwise and pull it out of the vehicle carefully. For installation, with Muffler turned 90 counterclockwise slip it over the rear axle until the flange is close to catalytic convertor, then turn it clockwise 90 as for install position and slide it forward, align the studs at the rear of catalytic convertor. Again, avoid oil-based lubricants. Using a soapy solution facilitate the installation by wiping it on the inner diameter of the exhaust pipe hanger and the exhaust pipe hanger rod then pressing them on to the rods. Tool the nuts holding the Muffler to the Catalytic Converter in hand until they touch the metal flange, which is to be tightened to 45 nm (33 lb ft). Remove the block of wood, install the nut on the bolt in the right rear leaf spring and tighten 85 nm 63 lb ft. Finally install and tighten the lower shock absorber bolts and nuts to 95 nm (70 Lb ft). Lastly, check the exhaust system for leaks and underbody touch before lowering down the vehicle.

OEM GMC Canyon Muffler

Exhaust Muffler

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11 Mufflers found

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GMC Canyon Muffler & Pipe Part Number: 86785729
$645.89 MSRP: $969.99
You Save: $324.10 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Muffler, Exhaust; Muffler & Pipe Assembly
- Replaced by: 85838037
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 GMC Canyon | AT4, AT4X, Denali, Elevation | 4 Cyl 2.7 L GAS
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GMC Canyon Muffler & Pipe Part Number: 84220294
$960.47 MSRP: $1442.44
You Save: $481.97 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaces: 84123641
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 GMC Canyon | All Terrain, AT4, Base, Denali, Elevation, Elevation Standard, SLE, SLT | 6 Cyl 3.6 L GAS
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GMC Canyon Muffler & Pipe Part Number: 84123642
$759.76 MSRP: $1141.01
You Save: $381.25 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 GMC Canyon | All Terrain, AT4, Base, Denali, Elevation, Elevation Standard, SLE, SLT | 6 Cyl 3.6 L GAS
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GMC Canyon Muffler & Pipe Part Number: 25878015
$818.28 MSRP: $1228.90
You Save: $410.62 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaces: 15839098
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2012 GMC Canyon | SL, SLE, SLT, WT, Z71 Fleet, Z71 SL, Z71 SLE, Z85 SL, Z85 SLE | 4 Cyl 2.8 L GAS, 4 Cyl 2.9 L GAS, 5 Cyl 3.5 L GAS, 5 Cyl 3.7 L GAS, 8 Cyl 5.3 L GAS
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GMC Canyon Muffler & Pipe Part Number: 23363061
$410.38 MSRP: $613.54
You Save: $203.16 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Muffler, Exhaust; Muffler
- Replaces: 94779902
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2022 GMC Canyon | Base, Elevation, Elevation Standard, SL, SLE, SLT | 4 Cyl 2.5 L GAS
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GMC Canyon Muffler & Pipe Part Number: 25878014
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaces: 25800663
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2012 GMC Canyon | SL, SLE, SLT, WT | 4 Cyl 2.8 L GAS, 4 Cyl 2.9 L GAS, 5 Cyl 3.5 L GAS, 5 Cyl 3.7 L GAS
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GMC Canyon Muffler & Pipe Part Number: 23363073
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaces: 94779907
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2016 GMC Canyon | Base, SLE, SLT | 6 Cyl 3.6 L GAS
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GMC Canyon Muffler & Pipe Part Number: 20793138
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaces: 25979694
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2012 GMC Canyon | SLE, SLT | 8 Cyl 5.3 L GAS
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GMC Canyon Muffler & Pipe Part Number: 15773627
Product Specifications
- Other Name: Muffler, Exhaust; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Muffler
- Replaces: 15113344, 15235129
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 GMC Canyon | SL, SLE, SLT, WT, Z71 Fleet, Z71 SL, Z71 SLE, Z85 SL, Z85 SLE | 4 Cyl 2.8 L GAS, 4 Cyl 2.9 L GAS, 5 Cyl 3.5 L GAS, 5 Cyl 3.7 L GAS
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GMC Canyon Muffler & Pipe Part Number: 15773625
Product Specifications
- Other Name: Muffler, Exhaust; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Muffler
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 GMC Canyon | SL, SLE, SLT, WT, Z71 Fleet, Z71 SL, Z71 SLE, Z85 SL, Z85 SLE | 4 Cyl 2.8 L GAS, 4 Cyl 2.9 L GAS, 5 Cyl 3.5 L GAS, 5 Cyl 3.7 L GAS
View related parts
GMC Canyon Muffler & Pipe Part Number: 23363062
$521.88 MSRP: $783.76
You Save: $261.88 (34%)
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaces: 94779906
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2016 GMC Canyon | Base, SLE, SLT | 6 Cyl 3.6 L GAS

GMC Canyon Muffler

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The Muffler of GMC Canyon Vehicles is essential in lowering the loud sound pressure produced by exhaust gases and this is made by the use of passages and chambers within the Muffler. Despite the fact that mufflers have been proved to be an efficient tool for noise control, they are somehow unfavourable in causing back pressure that might lower the efficiency of the engine used. mufflers may promise to increase the performance of the engines through the reduction of back pressure though this is normally accompanied with sound suppression. Due to legal requirements in many countries which control modifications of the exhaust systems, the role of mufflers is crucial with regard to noise and emission levels. In conclusion, the Muffler used in GMC Canyon vehicles plays a crucial role in contributing to the general internal combustion and reduction of noise for the vehicle's users.

GMC Canyon Muffler Parts and Q&A

Muffler & Pipe
25878015
Q: How to replace the exhaust muffler on LLV or LLR engines (2.9L, 3.7L) on GMC Canyon?
A:
To replace the exhaust Muffler on the items with llv or llr engines (2.9L, 3.7L), first lift the vehicle and support it, being careful to not extend too much the rear brake hose. Remove low left & right shock absorber nuts and bolts, low rear leaf spring nut and bolt, and winter edge of block of wood between the frame and rear axle. Make sure not to over-flex or damage the flex joint in this process. Second, take off the nuts that hold the Muffler to the Catalytic Converter, without using oil lubricants. Squirt some soapy water on the exhaust pipe hanger rods to make it easy to take the Exhaust Hangers out and pry out the hangers. To remove the Muffler slide it rearward from Catalytic Converter, rotate it 90 degrees counterclockwise and pull it out of the vehicle carefully. For installation, with Muffler turned 90 counterclockwise slip it over the rear axle until the flange is close to catalytic convertor, then turn it clockwise 90 as for install position and slide it forward, align the studs at the rear of catalytic convertor. Again, avoid oil-based lubricants. Using a soapy solution facilitate the installation by wiping it on the inner diameter of the exhaust pipe hanger and the exhaust pipe hanger rod then pressing them on to the rods. Tool the nuts holding the Muffler to the Catalytic Converter in hand until they touch the metal flange, which is to be tightened to 45 nm (33 lb ft). Remove the block of wood, install the nut on the bolt in the right rear leaf spring and tighten 85 nm 63 lb ft. Finally install and tighten the lower shock absorber bolts and nuts to 95 nm (70 Lb ft). Lastly, check the exhaust system for leaks and underbody touch before lowering down the vehicle.