Make sure this part fits

Cadillac 84399113 Exhaust Muffler Assembly With Exhaust Pipe

2016-2018 Cadillac ATS

Customer Questions & Expert Answers (2)
84399113 GM Exhaust Muffler Assembly With Exhaust Pipe Illustration 1 of 1
  • Part Description
    Muffler Assembly, Exh (W/ Exh Pipe)
  • Replaces
    23328478, 84059990, 23171264, 84280840
  • Manufacturer
    General Motors
Make sure this part fits
$2086.50 MSRP: $3125.06
You Save: $1038.56 (34%)
Currently Unavailable

Due to manufacturer supply shortage, this item isn't currently available for ordering.

  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Cadillac
    Manufacturer Part Number84399113
    Part DescriptionMuffler Assembly, Exh (W/ Exh Pipe)
    Other NamesExhaust Pipe, Muffler & Pipe
    Item Dimensions130.8 x 38.8 x 9.6 inches
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces23328478, 84059990, 23171264, 84280840
    ManufacturerGeneral Motors
    SKU84399113
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2016-2018 Cadillac ATS6 Cyl 3.6LV-SERIES 2 DOOR COUPE, V-SERIES 4 DOOR SEDAN
  • Customer Questions & Expert Answers

    Q:
    Do these parts fit my vehicle?
    A:
    You can Select Your Vehicle to check if 84399113 fits your vehicle.
    Posted and answered by GM Parts Specialist Raul
    Q:
    Hello there I need an Original Exhaust system for my 2016 Cadillac ATS-V. But my car is a Swiss Car. Does it still fit on mine? (EU Regulations) Posted by Markus B. / 2016 Cadillac ATS V-Series
    A:
    USE PART# 84399113 PER VIN#......
    Answered by GM Parts Specialist Fernando / Jun 30, 2025

Genuine GM Part 84399113, the Right Choice

To ensure reliability, purchase GM part # 84399113 Exhaust Muffler Assembly With Exhaust Pipe. It is sometimes referred to as Cadillac Muffler. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Cadillac ATS models.

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