GM Genuine Parts Exhaust Muffler with Exhaust Pipe
OE

GM Genuine Parts Exhaust Muffler with Exhaust Pipe

GM Part #85558555

MSRP$3,429.31*

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

  • Has the necessary components to service your vehicle's exhaust muffler
  • Helps diminish the amount of noise emitted by your vehicle's exhaust system
  • Helps guide exhaust to the exterior of your vehicle

About this product

GM Genuine Parts Exhaust Muffler Assemblies are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These assemblies have the necessary components to service your vehicle's exhaust muffler. The muffler helps 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 of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

  • Has the necessary components to service your vehicle's exhaust muffler
  • Helps diminish the amount of noise emitted by your vehicle's exhaust system
  • Helps guide exhaust to the exterior of your vehicle
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • 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 MaterialStainless Steel
Heat Shield AttachedNo
Gasket Or Seal IncludedNo
Inlet TypeFlange
Hanger TypeRod
ClassificationOE
Outlet Inside Diameter2.28 in / 58 mm
Inlet Inside Diameter2.64 in / 67 mm
Body Height6.38 in / 162 mm
Inlet Quantity2
Outlet Quantity4
Muffler ShapeRectangular
Body Length35.91 in / 912 mm
Outlet TypePipe
Outlet Outside Diameter2.32 in / 59 mm
FinishNatural
Inlet LocationShell
Overall Length128.58 in / 3266 mm
Body Width15.39 in / 391 mm

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.

ModelBody StyleTrimYear(s)
CT4V Blackwing2022, 2023, 2024, 2025, 2026