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Sport Sound Level (21033) 3.0 IN Cat-Back No Tips 2019-2021 Silverado Sierra, Denali 6.2L 147WB

SKU: 21033

6 reviews

SKU: 21033

Technical specifications

Performance results aren’t guaranteed & may vary.
+47% Flow increase

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 6.2L V8
Crew Cab Short Bed 147.5" Wheelbase
Double Cab Standard Bed 147.5" Wheelbase

2019-2021 GMC Sierra 6.2L V8
Crew Cab Short Bed 147.5" Wheelbase
Double Cab Standard Bed 147.5" Wheelbase

2019-2021 GMC Sierra Denali 6.2L V8
Crew Cab Short Bed 147.5" Wheelbase
Double Cab Standard Bed 147.5" Wheelbase


3.0" Cat-Back, Dual Rear Exit with Dumps
Sport Sound Level
*Reuses stock 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.

Customer Reviews
5.0 Based on 6 Reviews
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Filter Reviews:
    Shawn M.
    United States United States
    5 star

    This Corsa exhaust is absolutely Fantastic. Great sound and easy to install.

    Carlos D.
    United States United States
    No Complaints Here

    I had to wait a little because they were on back order, but it was well worth it. It got here this past Monday the 13th at 3:30 and had them on by 5:30. Not bad because this was all done in my driveway by myself (I'm 65). Installation went without a hitch. Everything went where it was supposed to go. I have received a lot of compliments about the sound. No droning and tones down while cruising. Thank you Corsa for the 1st Responder discount. That made the deal even sweeter.

    Alex Q.
    United States United States
    Awesome exhaust!

    The fitment and install went very well. This exhaust sounds amazing when you get on it and no drone while cruising what so ever.

    Rawleigh M.
    United States United States
    Corsa Exhaust for 2020 6.2 GMC

    Exhaust is great. Couldn’t ask for a better sound.

    Richard t.
    United States United States
    Great sounding exhaust!

    Fit up was awesome and install went quick. Everything lined right up and no customizing needed. This exhaust sounds awesome with the 6.2. Kicks a** when you get on it and absolutely no drone when cruising. Have gotten a lot of compliments on the sound and I am very happy with this purchase.

    Jul T.
    Easy Install - Awesome Sound

    Quick and easy to install.... sound is just perfect :ok_hand::skin-tone-3:

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