How to replace the muffler on Chevrolet Express 3500?

Before replacing the Muffler, make sure goggles and gloves are worn, and keep in mind exhaust service precautions. The Muffler is serviced as a unit with an Exhaust Pipe and a Tail Pipe and if the aftermarket Tail Pipe is involved it may modify the process. Increase the height of the vehicle by the frame to decrease the rear axle. Remove the nuts holding the Catalytic Converter pipe off of the Muffler flange from a vehicle equipped with a single Catalytic Converter pipe that has a 4.3 l engine. For a 4.8/5.3/6.0l engine with dual Catalytic Converter pipes, loosen the clamp for the right Catalytic Converter pipes and remove the nuts that hold the left Catalytic Converter to the Muffler flange. While the wheelbase of the vehicle, and size and length of the vehicle's exhaust system, disconnect the Muffler assembly hanger pins from exhaust hanger insulators. It is also may require at least two personnel because of the weight of the exhaust system. Pull the Muffler assembly over the rear axle and remove it towards the front end of the car. In the case of installation, raise the Muffler assembly above the rear axle, from the front of the vehicle, and possibly with use; two individuals can raise it, install the hanger pins of the exhaust hanger insulators. If optional 4.3l engine, install the retaining nuts and new gasket to the front of Muffler and tightening the Catalytic Converter to Muffler retaining nuts, 48 nm (35 ft. Lbs). For 4.8/4.3l/6.0l engine, put right Catalytic Converter in Muffler and tighten the clamp nut to 54 nm (40 ft lbs). Replace the new gasket and the nuts screwing the left Catalytic Converter to the Muffler flage, make sure the exhaust system is aligning correctly and tighten the right Catalytic Converter clamp to 54nm (40ft. Lbs.) and the Catalytic Converter to Muffler flage nuts to 48 n (35ft. Lbs.). Finally, lower the vehicle.

OEM Chevrolet Express 3500 Muffler

Exhaust Muffler

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35 Mufflers found

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Chevrolet Express 3500 Muffler W/Tpipe
Part Number: 84229609
$871.32 MSRP: $1308.54
You Save: $437.22 (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:
- 2018-2024 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS
View related parts
Chevrolet Express 3500 Muffler
Part Number: 84908957
$864.69 MSRP: $1298.59
You Save: $433.90 (34%)
ADD TO CART
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe
- Replaces: 22997921
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2020 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Express 3500 Muffler
Part Number: 15296921
$1392.68 MSRP: $2091.53
You Save: $698.85 (34%)
ADD TO CART
Product Specifications
- Other Name: Muffler, Exhaust
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2010 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Express 3500 Muffler W/Tpipe
Part Number: 23364881
$809.19 MSRP: $1215.24
You Save: $406.05 (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:
- 2016-2020 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Express 3500 Muffler
Part Number: 22997922
$873.57 MSRP: $1311.93
You Save: $438.36 (34%)
ADD TO CART
Product Specifications
- Other Name: Muffler, Exhaust
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2020 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Express 3500 Muffler & Pipe Assembly
Part Number: 84757029
$874.51 MSRP: $1313.35
You Save: $438.84 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaces: 23314343
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2023 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS
View related parts
Chevrolet Express 3500 Muffler & Pipe Assembly
Part Number: 84896834
$680.01 MSRP: $1021.24
You Save: $341.23 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler W/Tpipe; Muffler
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 6.6 L GAS
View related parts
Chevrolet Express 3500 Muffler W/Tpipe
Part Number: 23364882
$838.05 MSRP: $1258.59
You Save: $420.54 (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:
- 2016-2020 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Express 3500 Muffler
Part Number: 22997923
$884.67 MSRP: $1328.60
You Save: $443.93 (34%)
ADD TO CART
Product Specifications
- Other Name: Muffler, Exhaust
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2020 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Express 3500 Muffler & Pipe Assembly
Part Number: 84808046
$1047.44 MSRP: $1573.05
You Save: $525.61 (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:
- 2021-2023 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 6.6 L GAS
View related parts
Chevrolet Express 3500 Muffler & Pipe Assembly
Part Number: 84229608
$972.37 MSRP: $1460.31
You Save: $487.94 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler; Muffler W/Tpipe
- Replaced by: 85516773
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2024 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS
View related parts
Chevrolet Express 3500 Muffler
Part Number: 23314339
$419.36 MSRP: $626.98
You Save: $207.62 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Muffler, Exhaust
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2020 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS
View related parts
Chevrolet Express 3500 Muffler W/Tpipe
Part Number: 15767251
Product Specifications
- Other Name: Muffler; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Muffler, Exhaust
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 Chevrolet Express 3500 | Base, LS
View related parts
Chevrolet Express 3500 Muffler W/Tpipe
Part Number: 15734041
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-1998 Chevrolet Express 3500 | Base, LS
View related parts
Chevrolet Express 3500 Muffler W/Tpipe
Part Number: 25834227
Product Specifications
- Other Name: Muffler, Exhaust; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Muffler
- Replaces: 15290733
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2010 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Express 3500 Muffler W/Tpipe
Part Number: 15739876
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:
- 1997-1998 Chevrolet Express 3500 | Base, LS
View related parts
Chevrolet Express 3500 Muffler
Part Number: 15025767
Product Specifications
- Other Name: Muffler, Exhaust; Direct-Fit Exhaust; Exhaust System Kit
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 Chevrolet Express 3500 | Base, LS
View related parts
Chevrolet Express 3500 Muffler W/Tpipe
Part Number: 15734037
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:
- 1996-2000 Chevrolet Express 3500 | Base, LS
View related parts
Chevrolet Express 3500 Muffler W/Tpipe
Part Number: 15795474
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 Chevrolet Express 3500 | Base | 8 Cyl 6.6 L DIESEL
View related parts
Chevrolet Express 3500 Muffler W/Tpipe
Part Number: 15734038
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:
- 1996-2000 Chevrolet Express 3500 | Base, LS

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Chevrolet Express 3500 Muffler

Our website offers an extensive catalog of genuine Chevrolet Express 3500 Muffler at unbeatable prices. Every OEM Chevrolet Express 3500 Muffler comes with a manufacturer's warranty, an easy return policy, and rapid delivery service. Don't miss out on this great opportunity!

Chevrolet Express 3500 Muffler Parts Questions & Experts Answers

Muffler
15296921
Q: How to replace the muffler on Chevrolet Express 3500?
A: Before replacing the Muffler, make sure goggles and gloves are worn, and keep in mind exhaust service precautions. The Muffler is serviced as a unit with an Exhaust Pipe and a Tail Pipe and if the aftermarket Tail Pipe is involved it may modify the process. Increase the height of the vehicle by the frame to decrease the rear axle. Remove the nuts holding the Catalytic Converter pipe off of the Muffler flange from a vehicle equipped with a single Catalytic Converter pipe that has a 4.3 l engine. For a 4.8/5.3/6.0l engine with dual Catalytic Converter pipes, loosen the clamp for the right Catalytic Converter pipes and remove the nuts that hold the left Catalytic Converter to the Muffler flange. While the wheelbase of the vehicle, and size and length of the vehicle's exhaust system, disconnect the Muffler assembly hanger pins from exhaust hanger insulators. It is also may require at least two personnel because of the weight of the exhaust system. Pull the Muffler assembly over the rear axle and remove it towards the front end of the car. In the case of installation, raise the Muffler assembly above the rear axle, from the front of the vehicle, and possibly with use; two individuals can raise it, install the hanger pins of the exhaust hanger insulators. If optional 4.3l engine, install the retaining nuts and new gasket to the front of Muffler and tightening the Catalytic Converter to Muffler retaining nuts, 48 nm (35 ft. Lbs). For 4.8/4.3l/6.0l engine, put right Catalytic Converter in Muffler and tighten the clamp nut to 54 nm (40 ft lbs). Replace the new gasket and the nuts screwing the left Catalytic Converter to the Muffler flage, make sure the exhaust system is aligning correctly and tighten the right Catalytic Converter clamp to 54nm (40ft. Lbs.) and the Catalytic Converter to Muffler flage nuts to 48 n (35ft. Lbs.). Finally, lower the vehicle.