Menu
×
Search Bar
Search by Part Number, Part Name, or Vehicle
My Garage
Cart
Contact Us Help Center
Make sure this part fits

GM 5.3L Cat-Back Single-Exit Exhaust Upgrade System with Polished Tip and GMC Logo

GM Part No.: 84488078
Customer Questions & Expert Answers (1)
84488078 GM 5.3L Cat-Back Single-Exit Exhaust Upgrade System with Polished Tip and GMC Logo
84488078 GM 5.3L Cat-Back Single-Exit Exhaust Upgrade System with Polished Tip and GMC Logo
  • 35% backpressure reduction at 300-g/s, based on correlated flow testing
  • 50-state emissions legal and will not void the vehicle warranty when installed by an authorized GM dealership
  • Allows the engine to breathe better
  • Exhaust pipes run below the bumper
  • Features single highly polished Stainless Steel 4.5-inch diameter tip
  • Give your Sierra increased horsepower and a more assertive sound with the GMC Performance 5.3L Cat-Back Single-Exit Exhaust Upgrade System. This exhaust system offers an increase of up to 7 horsepower and 4 lb.-ft. of torque, while reducing backpressure by 35% at 300-g/s, based on correlated flow testing. Designed and validated by GMC Performance engineers, this 304 Stainless Steel Cat-Back system is tuned to maximize the performance experience while minimizing drone. This Performance Exhaust Upgrade System includes the rear muffler assembly, Y-Pipe, exhaust clamps and all necessary mounting hardware. It is 50-state emissions legal and will not void the New Vehicle Limited Warranty
  • Give your Sierra increased horsepower and a more assertive sound with the GMC Performance 5.3L Cat-Back Single-Exit Exhaust Upgrade System. This exhaust system offers an increase of up to 7 horsepower and 4 lb.-ft. of torque, while reducing backpressure by 35% at 300-g/s, based on correlated flow testing. Designed and validated by GMC Performance engineers, this 304 Stainless Steel Cat-Back system is tuned to maximize the performance experience while minimizing drone.This Performance Exhaust Upgrade System includes the rear muffler assembly, Y-Pipe, exhaust clamps and all necessary mounting hardware. It is 50-state emissions legal and will not void the New Vehicle Limited Warranty
  • Helps increase power by up to 7 HP and 4 lb.-ft of torque
  • Helps to reduce restrictions in the exhaust system
  • Includes rear muffler assembly, exhaust clamps, polished exhaust tip and other mounting hardware
  • Upgrade the look and sound of your vehicle’s exhaust system
Make sure this part fits
$1975.88 MSRP: $2395.00
You Save: $419.12 (18%)
Ships in 1-3 Business Days
1
ADD TO CART
  • Product Specifications
  • Warranty
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • Product Specifications

    Gasket Or Seal IncludedNo
    Overall Length117.56 in
    Inlet Inside Diameter3.15 in
    Outlet Outside Diameter3.28 in
    Inlet Outside Diameter83.3 mm
    Inlet TypeSingle
    Muffler MaterialStainless
    Hanger TypeRod
    Heat Shield AttachedNo
    Body Length825.55 mm
    Outlet TypeSingle
    Body Height9.03 in
    Inlet Inside Diameter80 mm
    Body Height229.27 mm
    Overall Length2986.01 mm
    Muffler ShapeOval
    Body Length32.5 in
    Warning: California's Proposition 65

  • Warranty

    This genuine GM part is guaranteed by GM's factory warranty.

  • Vehicle Fitment

    Make Model Year Submodel
    GMCYukon2025XL 2WD, XL 4WD
    GMCYukon2024XL 2WD, XL 4WD
    GMCYukon2023XL 2WD, XL 4WD
    GMCYukon2022XL 2WD, XL 4WD
    GMCYukon2021XL 2WD, XL 4WD, XL Denali 2WD, XL Denali 4WD

  • Customer Questions & Expert Answers

    Q:
    Do these parts fit my vehicle? Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 84488078 fits your vehicle.
    Posted by GMPartsGiant Specialist
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Accessory 84488078, the Right Choice

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 84488078 5.3L Cat-Back Single-Exit Exhaust Upgrade System with Polished Tip and GMC Logo. It is sometimes referred to as GM Exhaust Upgrade Systems. Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific GMC Yukon models.

Affordable, reliable and built to last, GM part # 84488078 5.3L Cat-Back Single-Exit Exhaust Upgrade System with Polished Tip and GMC Logo stands out as the smart option. GMPartsGiant.com is your prime online source with the biggest and best selection of genuine GM parts and accessories at giant discounted prices. We have the OEM GM parts and accessories you need at the wholesale prices. GMPartsGiant.com has you covered no matter what type of GM vehicle you drive.

Why choose GM Parts Giant

  • Dedicated Service

    Your complete satisfaction is our #1 goal

  • Lowest Prices

    Best deals on genuine OE parts from dealerships

  • Fast Delivery

    Orders are processed and delivered promptly