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Make sure this part fits

GM Muffler Assembly

GM Part No.: 84179064
Customer Questions & Expert Answers (2)
84179064 GM Muffler Assembly Product Photo 1 of 2
84179064 GM Muffler Assembly Product Photo 1 of 2
84179064 GM Muffler Assembly Product Photo 2 of 2
  • 45% backpressure reduction at 255-g/s, based on correlated flow testing
  • 50-state emissions legal and will not void the vehicle warranty when installed by an authorized GMC dealership
  • Allows the engine to breathe better
  • Exhaust pipes run below the bumper
  • Features single highly polished stainless steel 4-inch diameter tip
  • Give your Canyon increased horsepower and a more assertive sound with the GMC Performance 3.6L Cat-Back Single Exit Exhaust Upgrade System. This exhaust system offers an increase of up to 10 horsepower and 6 lb.-ft. of torque, while reducing backpressure by 45% at 255-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 Canyon increased horsepower and a more assertive sound with the GMC Performance 3.6L Cat-Back Single Exit Exhaust Upgrade System. This exhaust system offers an increase of up to 10 horsepower and 6 lb.-ft. of torque, while reducing backpressure by 45% at 255-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 10 hp and 6 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
  • Upgrades the look and sound of your vehicle’s exhaust system
Make sure this part fits
$1081.00 MSRP: $1295.00
You Save: $214.00 (17%)
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  • Product Specifications
  • Installation Instruction
  • Warranty
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • Product Specifications

    Outlet Outside Diameter3
    Inlet Outside Diameter3
    Muffler 1 Body Diameter9.42 in
    Inlet Flange Bolt Hole Diameter0.57 in
    Muffler 1 Body Length28 in
    Inlet Type2 Bolt Flange
    Outlet Inside Diameter2.91
    Exhaust Tip Diameter4 in
    Warning: California's Proposition 65

  • Installation Instruction

  • Warranty

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

  • Vehicle Fitment

    Make Model Year Submodel
    GMCCanyon2022
    GMCCanyon20212WD Crew Cab Denali, 2WD Crew Cab exc Denali, 2WD Extended Cab, 4WD Crew Cab Denali, 4WD Crew Cab exc Denali, 4WD Extended Cab
    GMCCanyon20202WD Crew Cab Denali, 2WD Crew Cab exc Denali, 2WD Extended Cab, 4WD Crew Cab Denali, 4WD Crew Cab exc Denali, 4WD Extended Cab
    GMCCanyon20192WD Crew Cab Denali, 2WD Crew Cab exc Denali, 2WD Extended Cab, 4WD Crew Cab Denali, 4WD Crew Cab exc Denali, 4WD Extended Cab
    GMCCanyon20182WD Crew Cab Denali, 2WD Crew Cab exc Denali, 2WD Extended Cab, 4WD Crew Cab Denali, 4WD Crew Cab exc Denali, 4WD Extended Cab
    GMCCanyon20172WD Crew Cab Denali, 2WD Crew Cab exc Denali, 2WD Extended Cab, 4WD Crew Cab Denali, 4WD Crew Cab exc Denali, 4WD Extended Cab
    GMCCanyon20162WD, 4WD
    GMCCanyon20152WD, 4WD

  • Customer Questions & Expert Answers

    Q:
    Do these parts fit my vehicle?
    A:
    You can Select Your Vehicle to check if 84179064 fits your vehicle.
    Posted and answered by GM Parts Specialist Raul
    Q:
    Can this be used in all 50 states? Posted by Kevin A.
    A:
    Yes, this is legal in all 50 states
    Answered by GM Parts Specialist Ed / Nov 16, 2020

Genuine GM Muffler Assembly 84179064, the Right Choice

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 84179064 Muffler Assembly. 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 Canyon models.

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