How to replace the exhaust muffler on a cab chassis with a 6.0L engine on GMC Sierra 1500?

To replace the exhaust Muffler on a vehicle with a cab chassis and 6.0l engine, first, raise and support the vehicle properly. Remove the spare tire if necessary and jack stands under the rear axle if necessary, but it is highly important at this point to rely on talk. In case the vehicle has an 8.6 or 9.5 inch ring gear, get rid of the rear axle vent hose as well as the vent hose swivel clip from the rear brake crossover pipe. Just do the same thing for the rear axle vent hose and clip if the vehicle has a 10.5 inch ring gear. Then, unbolt and remove the rear Shock Absorber if it needs to be done, then lower the rear axle using the adjustable jack stands. Remove the exhaust Muffler to exhaust manifold pipe nuts and partially loosen the exhaust Muffler clamp" remove the heated Oxygen Sensor (HO2S) and lubricate the 4 insulators where the hangers of the Muffler assembly should be inserted for easy removal. With a little help, remove the insulators (1-4) from the front, intermediate, and rear Muffler assembly hangers, as well as the Muffler assembly. For type installation one must lubricate the insulators again, mount the Muffler assembly and secure the insulators (1-4) onto the hangers. Replace the ho2s and be careful to follow fastener caution guidelines. Tighten the Muffler clamp (exhaust Muffler) to 47 nm (35 lb ft) and shake Muffler to Muffler personalize (exhaust manifold) pipe nuts to 45 nm (33 lb ft). On a different note, it will be wise to raise the rear axle using the adjustable jack stands if they are needed then install and tighten the nuts pressed on the rear Shock Absorber lower bolts to 95 nm (70 lb ft). If necessary, install the rear axle vent hose, connecting the vent hose swivel clip to the rear brake crossover pipe. Finally, be sure to remove the adjustable jack stands and use spare tire if necessary and lower the vehicle.

How to replace the exhaust muffler with NB5 on GMC Acadia?

To replace exhaust Muffler with nb5, initially, lift and support the vehicle. Wash the three way Catalytic Converter to Muffler pipe nuts. With the help, remove rubber insulators from exhaust under hood hangers and then the Muffler assembly from the exhaust flexible pipe and from the vehicle. For installation with help; install the Muffler assembly to the vehicle as well as the exhaust flexible pipe, and install the rubber insulators when installing the exhaust underbody hangers. Make sure you install the three way Catalytic Converter to Muffler pipe nuts and tighten it up 50 nm (37 lb ft) before lowering the vehicle down.

OEM GMC Muffler

Exhaust Muffler

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456 Mufflers found

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GMC Muffler & Pipe Part Number: 19257843
$579.65 MSRP: $870.52
You Save: $290.87 (34%)
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Product Specifications
- Other Name: Muffler Assembly, Exhaust (W/Exhaust Pipe & Tail Pipe); Direct-Fit Exhaust; Exhaust System Kit; Muffler; Muffler, Exhaust; Exhaust Pipe
- Replaces: 15092770
Fits the following GMC Models:
- Sierra 1500 | 2007-2008 | SLE, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS
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GMC Muffler & Pipe Part Number: 23241281
$441.09 MSRP: $659.47
You Save: $218.38 (34%)
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Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
Fits the following GMC Models:
- Sierra 1500 | 2019-2023 | Base, Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
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GMC Muffler & Pipe Part Number: 20882403
$1361.40 MSRP: $2044.56
You Save: $683.16 (34%)
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Product Specifications
- Other Name: Muffler Assembly-Exhaust (W/Resonator, Exhaust & Tail Pipe; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Muffler; Muffler, Exhaust Tail Pipe; Muffler, Exhaust
- Replaces: 20779911, 25940546
Fits the following GMC Models:
- Yukon | 2009-2014 | SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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GMC Muffler & Pipe Part Number: 84665237
$903.54 MSRP: $1356.94
You Save: $453.40 (34%)
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Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaced by: 85052292
Fits the following GMC Models:
- Sierra 1500 | 2014-2018 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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GMC Muffler & Pipe Part Number: 85555978
$667.41 MSRP: $1002.32
You Save: $334.91 (34%)
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Product Specifications
- Other Name: Muffler, Exhaust; Muffler
- Replaced by: 86533474
Fits the following GMC Models:
- Sierra 1500 | 2019-2023 | Base, Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
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GMC Muffler & Pipe Part Number: 84496909
$828.98 MSRP: $1244.97
You Save: $415.99 (34%)
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Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaces: 23219847, 84012769, 23226904, 23440151, 23289701, 84125232, 84327969, 23367635
Fits the following GMC Models:
- Yukon | 2015-2020 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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GMC Diesel Particulate Filter Part Number: 86786607
$1775.54 MSRP: $2653.90
You Save: $878.36 (34%)
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Product Specifications
- Other Name: Filter Assembly-Exhaust Particulate (W/ Exhaust Pipe); Muffler & Pipe
- Replaced by: 86534437
- Replaces: 86777036
Fits the following GMC Models:
- Sierra 2500 HD | 2023 | AT4, Denali, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2023 | AT4, Denali, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL
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GMC Diesel Particulate Filter Part Number: 84612881
$1590.54 MSRP: $2387.61
You Save: $797.07 (34%)
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Product Specifications
- Other Name: Filter Assembly-Exhaust Particulate (W/ Exhaust Pipe); Exhaust Pipe; Muffler; Muffler & Pipe
- Replaced by: 86534426
Fits the following GMC Models:
- Sierra 2500 HD | 2020-2023 | AT4, Base, Denali, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL
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GMC Muffler & Pipe Part Number: 20920636
$351.19 MSRP: $525.05
You Save: $173.86 (34%)
Product Specifications
- Other Name: Muffler, Exhaust; Exhaust Pipe; Muffler
- Replaces: 20779898, 25940531
Fits the following GMC Models:
- Sierra 1500 | 2009-2013 | SLE, WT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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GMC Muffler Part Number: 12546145
Product Specifications
- Other Name: Muffler A; Muffler, Exhaust
Fits the following GMC Models:
- Sonoma | 1992-1993 | Base, GT, SLE, SLS | 6 Cyl 4.3 L GAS
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GMC Muffler Part Number: 15026244
Product Specifications
- Other Name: Muffler, Exhaust
Fits the following GMC Models:
- Sonoma | 1996-1999 | SL, SLE, SLS | 6 Cyl 4.3 L GAS
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GMC Muffler & Pipe Part Number: 15156873
Product Specifications
- Other Name: Muffler; Exhaust Pipe; Muffler, Exhaust
Fits the following GMC Models:
- Sonoma | 2000-2003 | SL, SLE, SLS | 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS
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GMC Muffler Part Number: 15727713
Product Specifications
- Other Name: Direct-Fit Exhaust; Exhaust System Kit; Muffler, Exhaust
Fits the following GMC Models:
- Sonoma | 1996-1997 | SL, SLE, SLS | 6 Cyl 4.3 L GAS
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GMC Muffler Part Number: 15727715
Product Specifications
- Other Name: Direct-Fit Exhaust; Exhaust System Kit; Muffler, Exhaust
Fits the following GMC Models:
- Sonoma | 1996-1999 | SL, SLE, SLS | 6 Cyl 4.3 L GAS
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GMC Muffler Part Number: 15727716
Product Specifications
- Other Name: Direct-Fit Exhaust; Exhaust System Kit; Muffler, Exhaust
Fits the following GMC Models:
- Sonoma | 1996-1999 | SL, SLE, SLS | 6 Cyl 4.3 L GAS
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GMC Muffler Part Number: 15994362
Product Specifications
- Other Name: Muffler A; Muffler, Exhaust
Fits the following GMC Models:
- Sonoma | 1995 | SL, SLE, SLS | 6 Cyl 4.3 L GAS
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GMC Muffler Part Number: 15994353
Product Specifications
- Other Name: Muffler Assembly, Exhaust; Muffler, Exhaust
Fits the following GMC Models:
- Sonoma | 1995 | SL, SLE, SLS | 4 Cyl 2.2 L GAS
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GMC Muffler Part Number: 12540368
Product Specifications
- Other Name: Muffler, Exhaust
Fits the following GMC Models:
- Sonoma | 1992-1993 | Base, SLE, SLS | 4 Cyl 2.5 L GAS
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GMC Muffler Part Number: 12546139
Product Specifications
- Other Name: Muffler Assembly, Exhaust; Muffler, Exhaust
Fits the following GMC Models:
- Sonoma | 1992-1993 | Base, GT, SLE, SLS | 6 Cyl 4.3 L GAS
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GMC Muffler Part Number: 12546140
Product Specifications
- Other Name: Muffler Assembly, Exhaust; Muffler, Exhaust
Fits the following GMC Models:
- Sonoma | 1992-1995 | Base, GT, SL, SLE, SLS | 6 Cyl 4.3 L GAS

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GMC Muffler

Choose OEM Muffler, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with GMC's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM GMC Muffler. You can shop at highly competitive prices and protect your budget. All our genuine GMC parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

GMC Muffler calms down the sound of the exhaust and allows the engines to breathe more so as to give more forceful and easy rides. GMC was founded in 1901 and established a reputation of trucks and SUVs that perform their hauling, towing, and outlasting duties better than expected. Powerful boxed frames are combined with muscular powertrains in a way that drivers can carry heavy loads without much ado. Silent cabins, clever MultiPro tailgates, and hitch guidance technologies help to make work less challenging and commutes everyday relaxed. GMC also offers surround vision, automatic warning, and hard-core durability tests to protect families and cargo. The constant increasing ability and connectivity make all the models prepared for the long roads and the rough work. In urban corridors and in the middle of the desolated workplaces, the collection remains adaptable, combining comfort with the coarse power professionals require but young people look up to. The Muffler also passes the hot gases through staggered chambers and tuned passages which slice sound pressure but reduce pressure enabling the engine to breathe more easily and maintain its power even when the throttle is held wide in steep climbs. The Muffler reduces noise to legal standards and makes cars not only street-legal but does not compel drivers to drive the car slower than normal either in their everyday commutes or in the weekend move.

GMC Muffler Parts and Q&A

Muffler
15798961
Q: How to replace the exhaust muffler on a cab chassis with a 6.0L engine on GMC Sierra 1500?
A:
To replace the exhaust Muffler on a vehicle with a cab chassis and 6.0l engine, first, raise and support the vehicle properly. Remove the spare tire if necessary and jack stands under the rear axle if necessary, but it is highly important at this point to rely on talk. In case the vehicle has an 8.6 or 9.5 inch ring gear, get rid of the rear axle vent hose as well as the vent hose swivel clip from the rear brake crossover pipe. Just do the same thing for the rear axle vent hose and clip if the vehicle has a 10.5 inch ring gear. Then, unbolt and remove the rear Shock Absorber if it needs to be done, then lower the rear axle using the adjustable jack stands. Remove the exhaust Muffler to exhaust manifold pipe nuts and partially loosen the exhaust Muffler clamp" remove the heated Oxygen Sensor (HO2S) and lubricate the 4 insulators where the hangers of the Muffler assembly should be inserted for easy removal. With a little help, remove the insulators (1-4) from the front, intermediate, and rear Muffler assembly hangers, as well as the Muffler assembly. For type installation one must lubricate the insulators again, mount the Muffler assembly and secure the insulators (1-4) onto the hangers. Replace the ho2s and be careful to follow fastener caution guidelines. Tighten the Muffler clamp (exhaust Muffler) to 47 nm (35 lb ft) and shake Muffler to Muffler personalize (exhaust manifold) pipe nuts to 45 nm (33 lb ft). On a different note, it will be wise to raise the rear axle using the adjustable jack stands if they are needed then install and tighten the nuts pressed on the rear Shock Absorber lower bolts to 95 nm (70 lb ft). If necessary, install the rear axle vent hose, connecting the vent hose swivel clip to the rear brake crossover pipe. Finally, be sure to remove the adjustable jack stands and use spare tire if necessary and lower the vehicle.
Muffler W/Tpipe
22757000
Q: How to replace the exhaust muffler with NB5 on GMC Acadia?
A:
To replace exhaust Muffler with nb5, initially, lift and support the vehicle. Wash the three way Catalytic Converter to Muffler pipe nuts. With the help, remove rubber insulators from exhaust under hood hangers and then the Muffler assembly from the exhaust flexible pipe and from the vehicle. For installation with help; install the Muffler assembly to the vehicle as well as the exhaust flexible pipe, and install the rubber insulators when installing the exhaust underbody hangers. Make sure you install the three way Catalytic Converter to Muffler pipe nuts and tighten it up 50 nm (37 lb ft) before lowering the vehicle down.