5.3L Short Wheelbase Cat-Back Single Exit Exhaust Upgrade System with Polished Tip and Chevrolet Bowtie Logo

5.3L Short Wheelbase Cat-Back Single Exit Exhaust Upgrade System with Polished Tip and Chevrolet Bowtie Logo

GM Part #84964738

MSRP$1,495.00*

Give your Silverado increased horsepower and a more assertive sound with the Chevrolet Performance 5.

  • Upgrades the look and sound of your vehicle’s exhaust system
  • Helps to reduce restrictions in the exhaust system
  • Allows the engine to breathe better

About this product

Give your Silverado increased horsepower and a more assertive sound with the Chevrolet Performance 5.3L Short Wheelbase 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 Chevrolet 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, polished tip and all necessary mounting hardware. It is 50-state emissions legal and will not void the New Vehicle Limited Warranty.

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

  • Upgrades the look and sound of your vehicle’s exhaust system
  • Helps to reduce restrictions in the exhaust system
  • Allows the engine to breathe better
  • Features a highly polished stainless steel 4.5-inch diameter tip
  • Includes rear muffler assembly, front resonator assembly, exhaust clamps, polished tip and other mounting hardware
  • Exhaust pipes run below the bumper
  • 35% backpressure reduction at 300-g/s, based on correlated flow testing
  • Helps increase power by up to 7 hp and 4 lb.-ft. of torque
  • 50-state emissions legal and will not void the vehicle warranty when installed by an authorized GM dealership

Tail Pipe Outlet Outside Diameter3 in / 76.2 mm
Muffler Body Length24 in / 609.6 mm
Assembled Length143.74 in / 12 ft
Muffler Inlet Inside Diameter3.03 in / 77.01 mm
Muffler Inlet Outside Diameter3.13 in / 79.5 mm
Height18.62in
Weight49.52lb
Width19.12in
Muffler Outlet Quantity1
Muffler Body ShapeOval
Muffler Quantity1
Length58.5in
Muffler Flanged OutletNo
Muffler Flanged InletNo
Tail Pipe Quantity1
Spring Bolt Kit IncludedNo
Hangers IncludedYes
Clamps IncludedYes

The greater of either the balance of the vehicle's bumper-to-bumper warranty or 12 months / 12,000 miles

ModelBody StyleTrimYear(s)
Silverado 1500Crew Cab Pickup2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Silverado 1500Extended Cab Pickup2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Silverado 1500 LTDCrew Cab Pickup2022
Silverado 1500 LTDExtended Cab Pickup2022

Frequently Asked Questions

Upgrading your exhaust system will help enhance the sound, performance and style of your vehicle. It can help to reduce restriction in the exhaust system.

Yes, this exhaust system is legal for use in all 50 state.

No, this exhaust will not void the New Vehicle Limited Warranty.