How to replace the muffler on Buick Terraza?

To replace the Muffler, you first need to raise and support the vehicle. It is also important to support the Catalytic Converter to avoid the internal damage on flexibile coupling; it ensures there is no vertical movement at the rear of the Catalytic Converter assembly above or below 6 degrees. It is also possible to use a utility stand for this purpose. Then, exploit the bolts of Catalytic Converter and gasket, then the exhaust hanger insulators of the exhaust pipes. For awd models, support and lower the rear x-member. After that, take out the Muffler and exhaust pipes towards the front of the vehicle and the rear axle, and clean the Catalytic Converter flange and Muffler flange. Installation placement involves positioning the Muffler and exhaust pipes over the rear axle and at the rear for the vehicle, after which install exhaust hanger insulators to the exhaust pipes. For awd, have the rear crossover put back and a new Catalytic Converter Gasket. Mount the Catalytic Converter bolts and tighten them down to 34 nm (25 ft. Lbs.) and lower the vehicle.

OEM Buick Terraza Muffler

Exhaust Muffler

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5 Mufflers found

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Buick Terraza Muffler & Pipe
Part Number: 15902777
$673.28 MSRP: $1011.14
You Save: $337.86 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 Buick Terraza | CX, CXL | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
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Buick Terraza Muffler & Pipe
Part Number: 15902776
$228.78 MSRP: $342.04
You Save: $113.26 (34%)
Ships in 1-3 Business Days
ADD TO CART
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:
- 2006-2007 Buick Terraza | CX, CXL | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
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Buick Terraza Muffler & Pipe
Part Number: 15839174
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaces: 15131308
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2006 Buick Terraza | CX, CXL | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L GAS
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Buick Terraza Muffler & Pipe
Part Number: 15249044
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:
- 2005-2006 Buick Terraza | CX, CXL | 6 Cyl 3.5 L GAS
View related parts
Buick Terraza Muffler & Pipe
Part Number: 15126382
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 Buick Terraza | CX, CXL | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS

Buick Terraza Muffler

Our website offers an extensive catalog of genuine Buick Terraza Muffler at unbeatable prices. Every OEM Buick Terraza Muffler comes with a manufacturer's warranty, an easy return policy, and rapid delivery service. Don't miss out on this great opportunity!

Buick Terraza Muffler Parts Questions & Experts Answers

Muffler & Pipe
15249044
Q: How to replace the muffler on Buick Terraza?
A: To replace the Muffler, you first need to raise and support the vehicle. It is also important to support the Catalytic Converter to avoid the internal damage on flexibile coupling; it ensures there is no vertical movement at the rear of the Catalytic Converter assembly above or below 6 degrees. It is also possible to use a utility stand for this purpose. Then, exploit the bolts of Catalytic Converter and gasket, then the exhaust hanger insulators of the Exhaust Pipes. For awd models, support and lower the rear x-member. After that, take out the Muffler and exhaust pipes towards the front of the vehicle and the rear axle, and clean the Catalytic Converter flange and Muffler flange. Installation placement involves positioning the Muffler and exhaust pipes over the rear axle and at the rear for the vehicle, after which install exhaust hanger insulators to the exhaust pipes. For awd, have the rear crossover put back and a new Catalytic Converter Gasket. Mount the Catalytic Converter bolts and tighten them down to 34 nm (25 ft. Lbs.) and lower the vehicle.