GM Genuine Parts Exhaust Muffler
OE
Pack of 1

GM Genuine Parts Exhaust Muffler

GM Part #84964237

MSRP$701.77*

GM Genuine Parts Exhaust Mufflers are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Helps diminish the amount of noise emitted by your vehicle's exhaust system
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

Pack of 1

About this product

GM Genuine Parts Exhaust Mufflers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These mufflers help diminish the amount of noise emitted by your vehicle's exhaust system by reflecting the sound waves in such a way that they partially cancel themselves out. GM Genuine Parts are the true OE parts installed during the production or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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  • Helps diminish the amount of noise emitted by your vehicle's exhaust system
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • Collision parts are designed to help promote proper and safe repair

Body Width12.36 in / 314 mm
Inlet LocationCenter
Outlet TypeFlanged
Inlet Inside Diameter3.07 in / 78 mm
Outlet Inside Diameter2.64 in / 67 mm
Outlet Outside Diameter2.76 in / 70 mm
Inlet Outside Diameter2.76 in / 70 mm
ClassificationOE
Inlet Quantity1
ColorNatural
Heat Shield AttachedYes
Clamps IncludedYes
Universal Or Specific FitSpecific
ShapeOval
Outlet Quantity1
ReversibleNo
Hanger IncludedYes
Inlet TypeClamp
Body MaterialAluminized Steel
Overall Length87.68 in / 2227 mm
Body Height7.6 in / 193 mm
Body Length23.94 in / 608 mm
Outlet LocationLeft

24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

Good Maintenance Practices:

  • Before purchasing and installing an exhaust muffler, make sure it is the correct fit for your vehicle.
  • Refer to your Vehicle Owner’s manual for additional vehicle maintenance practices.
  • Regularly inspect exhaust muffler for signs of damage or wear, and replace them if signs of damage are found.

Signs of wear for exhaust mufflers include but are not limited to:

  • Excessive exhaust noise
  • Rattling interior muffler baffles
  • Exhaust fumes entering interior cabin

ModelBody StyleTrimYear(s)
Yukon XL2021, 2022, 2023, 2024, 2025, 2026