-17%
Click to zoom in
Deep Rumble for Your Full Size SUV
The CORSA 21128BLK Sport cat back exhaust gives the 2021 to 2023 Suburban, Tahoe, Yukon and Yukon XL 5.3L V8 a deep aggressive tone while eliminating drone at highway speed. Using CORSA's patented Reflective Sound Cancellation technology, this dual rear exit system is built for dual rear exit factory exhaust configurations and finished with black 4 inch tips.
Key Features
- Reflective Sound Cancellation (RSC) Technology eliminates drone at cruise
- Sport sound level with deep, aggressive rumble under acceleration
- Dual rear exit design with 3 inch to 2.75 inch mandrel bent piping
- Black finished 4 inch Pro Series dual wall tips
- Computerized mandrel bent construction for maximum flow
- Designed for vehicles with factory dual rear exit exhaust
- Direct bolt on installation using factory hangers
- Backed by CORSA's limited lifetime warranty
Fitment
| Year Range | Make | Model |
|---|---|---|
| 2021-2023 | Chevrolet | Suburban |
| 2022-2023 | Chevrolet | Tahoe |
| 2021-2023 | GMC | Yukon |
| 2021-2023 | GMC | Yukon XL |
Specifications
| Detail | Value |
|---|---|
| MPN | 21128BLK |
| Pipe Diameter | 3 inch to 2.75 inch dual rear |
| Tip Size | 4 inch |
| Tip Finish | Black |
| Sound Level | Sport |
| Exit Style | Dual Rear Exit |
| Required Configuration | Factory dual rear exit exhaust |
| UPC | Contact CORSA for current UPC |
What's Included
- CORSA 21128BLK cat back muffler assembly
- Black finished 4 inch Pro Series exhaust tips
- Mounting clamps and hardware
- Printed installation instructions
About CORSA Performance
CORSA Performance builds premium exhaust systems for trucks and SUVs using patented Reflective Sound Cancellation technology. Every CORSA system is designed to deliver an aggressive tone without the drone typical of many aftermarket exhausts, all while maintaining durability for daily driving and towing.
Related Parts on Our Site
- CORSA Suburban and Yukon XL cold air intake systems
- CORSA Tahoe and Yukon exhaust tip kits
- CORSA heat shields for full size SUVs
Frequently Asked Questions
What is the 21128BLK?The 21128BLK is a CORSA Sport level cat back exhaust system with black 4 inch tips for the 2021 to 2023 Suburban, Tahoe, Yukon and Yukon XL 5.3L V8 with factory dual rear exit exhaust.
Will this fit a single side exit factory exhaust?No, additional factory parts such as a heat shield, hangers and bumper cover are required to convert a single side exit vehicle for this dual rear exit system.
Does the 21128BLK require cutting or welding?No, it uses factory hanger locations for a direct bolt on installation.
What sound level is the 21128BLK?It is tuned to CORSA's Sport sound level for a deep, aggressive rumble.
What tips are included?The system includes black finished 4 inch Pro Series dual wall tips.
Is this exhaust suitable for towing?Yes, the 21128BLK is built from durable materials suitable for daily driving and towing use.
Does CORSA offer other finishes for this part?Yes, a polished tip version is also available under a different part number.
Does CORSA offer a warranty on the 21128BLK?Yes, it is covered by CORSA's limited lifetime warranty.
Installation Instructions
- Raise the vehicle and allow the exhaust system to cool completely.
- Remove the factory cat back exhaust system at the designated hangers.
- Position the CORSA 21128BLK muffler assembly using factory hanger points.
- Loosely install all provided clamps at each connection point.
- Align the black 4 inch tips evenly with the rear bumper opening.
- Tighten all clamps and hardware to specification.
- Start the vehicle and inspect all connections for exhaust leaks.
WARNING: This product can expose you to chemicals including nickel compounds, which are known to the State of California to cause cancer, and carbon monoxide, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Catback
A catback exhaust system replaces everything from the catalytic converter back, covering the mid pipe, muffler, and tailpipe section in one bolt on upgrade. This collection covers catback systems for trucks, Jeeps, muscle cars, imports, and performance SUVs, giving you a straightforward way to improve sound, exhaust flow, and rear end styling without touching the factory catalytic converters or front pipe. Catback systems are available in stainless steel and titanium construction, with dual rear exit, single exit, and quad tip configurations, and a range of sound levels from mild touring tone to aggressive track character. Whether you want a deeper daily driver sound or a full track ready exhaust note, you will find a matched system for your platform here. What This Category Covers This collection includes complete catback exhaust systems, cat-back kits, dual rear exit systems, axle back adjacent catback upgrades, stainless steel and titanium exhaust systems, and street, tourin...
View Catback Products
CORSA Performance
CORSA Performance exhaust systems and cold air intakes for American muscle cars and trucks are stocked at Black Ops Auto Works. Shop CORSA Xtreme, Sport, and Touring cat-back exhausts, axle-back exhausts, active-valve systems, carbon fiber cold air intakes, mufflers, resonators, X-pipes, H-pipes, exhaust tips, and oil catch cans for Camaro, Corvette, Mustang, Silverado, F-150, Charger, Challenger, Durango, and Grand Cherokee Trackhawk. Every CORSA part is filterable by year, make, model, trim, engine, and drivetrain so the correct exhaust configuration ships the first time. Black Ops Auto Works carries 504 CORSA Performance SKUs across exhaust, intake, and accessory categories. What This Brand Covers CORSA Performance builds vehicle-specific exhaust systems and cold air intakes engineered for aggressive sound, controlled cabin noise, premium stainless construction, and precise fitment. The brand is best known for cat-back and axle-back systems on Camaro, Corvette, Mustang, and M...
View CORSA Performance Products
Exhaust Systems
Performance exhaust systems for cars, trucks, SUVs, and Jeeps are stocked at Black Ops Auto Works. Shop cat-back systems, axle-back systems, turbo-back systems, headers, downpipes, mid-pipes, mufflers, resonators, catalytic converters, exhaust tips, exhaust valve controllers, oxygen sensors, exhaust brakes, and motorcycle and powersports exhausts for Mustang, Camaro, Challenger, Corvette, Silverado, and Super Duty platforms. Every product is filterable by exhaust position, material, pipe diameter, and vehicle year, make, model, and trim so the correct fitment ships the first time. Black Ops Auto Works carries 7,441 exhaust SKUs across every position of the exhaust system. What This Category Covers Exhaust upgrades change sound, appearance, and in some cases power. Exhaust fitment depends on engine, drivetrain, and factory exit position, so confirm the exact platform before ordering any exhaust component. Exhaust Position Cat-back, axle-back, turbo-back, and header-back systems e...
View Exhaust Systems Products