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Sport Sound Level (21043) 3.0IN Cat-Back DRE No Tips 2019-2021 Silverado Sierra, Denali 5.3L 157WB

SKU: 21043

SKU: 21043

Technical specifications

Performance results aren’t guaranteed & may vary.
+17 Horsepower
+15 ft-lbs Torque

CORSA's Patented RSC® Technology is designed for an AGGRESSIVE SOUND under acceleration and DRONE-FREE EXPERIENCE during cruise. Every exhaust system is engineered specific to each vehicle application in order to maximize performance and eliminate drone at cruise


2019-2021 Chevrolet Silverado 1500 5.3L V8
Crew Cab/Standard Bed 157" Wheelbase

2019-2021 GMC Sierra 1500 5.3L V8 
Crew Cab/Standard Bed 157" Wheelbase

2019-2021 GMC Sierra Denali 1500 5.3L V8 
Crew Cab/Standard Bed 157" Wheelbase


3.0" Cat-Back, Dual Rear Exit with No Tips
*Reuses factory bezels

  • Premium Stainless Steel Construction
  • Easy Bolt-on Installation
  • No Welding Needed
  • Patented No-Drone, Reflective Sound Cancellation (RSC®) Technology
  • Straight-through Design
  • Mandrel Bent
  • All Hardware and Detailed Instructions Included
  • Proudly Manufactured in Berea, Ohio


Installation Instructions

YEARS: 2019, 2020, 2021

CORSA branded exhaust systems are backed by a Limited Lifetime warranty for as long as you own your vehicle with proof of purchase. (VIEW WARRANTY)

Every vehicle-specific CORSA product is engineered and designed to match the unique properties of the vehicle it is designed for to deliver perfect fitment and performance. CORSA does not recommend or recognize purchases and installations on unspecified vehicles.

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