How to replace a muffler on Buick LaCrosse?

The first step for Muffler replacement requires you to lift the vehicle and place support under it. First support the exhaust system and afterwards you can remove the Catalytic Converter bolts with its accompanying gasket. Remove the Muffler support from its attachment by first disengaging the exhaust hanger insulators. Position the Muffler onto the support and mount the exhaust hanger insulators. After applying the Catalytic Converter gasket, tighten the bolts securing the Catalytic Converter to 45 nm (33 ft. Lbs.) follow the inspection by taking off the exhaust support then check for system leaks and underbody contact before lowering the vehicle.

OEM Buick LaCrosse Muffler

Exhaust Muffler

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14 Mufflers found

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Buick LaCrosse Muffler & Pipe Part Number: 15894106
$918.28 MSRP: $1379.08
You Save: $460.80 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaced by: 19434064
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2008 Buick LaCrosse | CXS | 6 Cyl 3.6 L GAS
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Buick LaCrosse Muffler & Pipe Part Number: 84283172
$215.74 MSRP: $322.55
You Save: $106.81 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaces: 84028874
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2019 Buick LaCrosse | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
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Buick LaCrosse Muffler & Pipe Part Number: 84282479
$919.25 MSRP: $1380.53
You Save: $461.28 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaces: 84026848
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
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Buick LaCrosse Muffler & Pipe Part Number: 84282476
$945.39 MSRP: $1419.78
You Save: $474.39 (34%)
ADD TO CART
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaces: 84026849
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
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Buick LaCrosse Muffler & Pipe Part Number: 25808149
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Buick LaCrosse | Super | 8 Cyl 5.3 L GAS
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Buick LaCrosse Muffler & Pipe Part Number: 23416465
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaces: 13325836, 23346423, 22931692
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2016 Buick LaCrosse | Base, Convenience, Leather, Premium | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick LaCrosse Muffler & Pipe Part Number: 23416464
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaces: 22931689, 23346421
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2016 Buick LaCrosse | Base, Leather, Premium, Sport Touring | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Muffler & Pipe Part Number: 23416463
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaces: 22931690, 23346422
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2016 Buick LaCrosse | Base, Leather, Premium, Sport Touring | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Vapor Canister Part Number: 23412414
Product Specifications
- Other Name: Muffler, Exhaust Muffler/Resonator; Muffler & Pipe; Muffler
- Position: Rear
- Replaces: 20907483, 22774270, 13229571, 22779749, 22931704, 13317985
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2013 Buick LaCrosse | Base, Convenience, CX, CXL, CXS, Leather, Premium, Touring | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Muffler & Pipe Part Number: 23412413
Product Specifications
- Other Name: Muffler, Exhaust Muffler/Resonator; Exhaust Pipe; Muffler
- Position: Rear
- Replaces: 22931703, 22906821, 22759746
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012-2013 Buick LaCrosse | Base, Convenience, Leather, Premium, Touring | 6 Cyl 3.6 L FLEX
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Buick LaCrosse Muffler & Pipe Part Number: 23412412
Product Specifications
- Other Name: Muffler, Exhaust Muffler/Resonator; Exhaust Pipe; Muffler
- Position: Rear
- Replaces: 13317984, 22779748, 13229561, 22774269, 20907481
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 Buick LaCrosse | CX, CXL | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L GAS
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Buick LaCrosse Muffler & Pipe Part Number: 23412411
Product Specifications
- Other Name: Muffler, Exhaust Muffler/Resonator; Exhaust Pipe; Muffler
- Position: Rear
- Replaces: 20905404
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 Buick LaCrosse | CX, CXL | 4 Cyl 2.4 L GAS
View related parts
Buick LaCrosse Muffler & Pipe Part Number: 23412410
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaces: 13229567
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 Buick LaCrosse | CX, CXL | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L GAS
View related parts
Buick LaCrosse Muffler & Pipe Part Number: 15894108
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:
- 2005-2009 Buick LaCrosse | CX, CXL | 6 Cyl 3.8 L GAS

Buick LaCrosse Muffler

Want to cut long-term maintenance and repair costs? Choose OEM Muffler. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine Buick LaCrosse parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Buick LaCrosse Muffler includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

The Buick LaCrosse Muffler is one of these parts, it is dear to the brand because it encompasses the structure that Buick holds dear; functionality. Originally developed for different models of LaCrosse, this Muffler allows decreasing the level of noise produced by automobile's engine by using chambers and passages invented by the company's specialists as well as preserving the automobile's efficiency. Owing to its great construction from material such as stainless steel or aluminized steel, the Buick LaCrosse Muffler helps to extend the life span of the car. They successfully reduce the back pressure, and at the same time incorporate noise pressure reduction in the design which is very essential for efficient engine performance. Another important function is safety, because in the Buick LaCrosse Muffler the exhaust gases should not penetrate the passenger compartment. Indeed, due to its applicability to various generations of LaCrosse, the discussed Muffler is considered one of the most effective within the automotive market regarding the noise reduction portfolio and automobile engine effects. In the same way, the Buick LaCrosse Muffler maintains legal requirements comprehensively; besides, the environmental impact of the smooth ride is deliberately observed. The application of sophisticated engineering solutions to the construction of the Muffler not only improves the general functionality of the LaCrosse model but also adds to the model's attractiveness among youthful consumers. Therefore, it is rather apparent that Buick as a company is committed to offering only the optimal, and as such, the Buick LaCrosse Muffler is precisely what any LaCrosse driver would desire in their car to ensure maximum efficiency.

Buick LaCrosse Muffler Parts Questions & Experts Answers

Muffler & Pipe
15894106
Q: How to replace a muffler on Buick LaCrosse?
A:
The first step for Muffler replacement requires you to lift the vehicle and place support under it. First support the exhaust system and afterwards you can remove the Catalytic Converter bolts with its accompanying gasket. Remove the Muffler support from its attachment by first disengaging the exhaust hanger insulators. Position the Muffler onto the support and mount the exhaust hanger insulators. After applying the Catalytic Converter gasket, tighten the bolts securing the Catalytic Converter to 45 nm (33 ft. Lbs.) follow the inspection by taking off the exhaust support then check for system leaks and underbody contact before lowering the vehicle.