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Black Out Your Tahoe or Yukon's Dual Exit Exhaust
The CORSA 21127BLK pairs the same Sport level 3.0 inch cat-back engineering as the 21127 with Black PVD Pro-Series tips for a blacked out rear end. Built for 2021 to 2022 Chevrolet Tahoe and GMC Yukon 5.3L trucks with a factory dual rear exit exhaust, this system uses Reflective Sound Cancellation technology to deliver an aggressive tone that stays quiet at cruise and opens up under throttle.
Key Features
- 3.0 inch mandrel bent 304 stainless steel cat-back system
- Reflective Sound Cancellation (RSC) no drone technology
- Twin 4.0 inch Black PVD Pro-Series tips, dual wall slash cut
- Up to 20 percent increase in horsepower and torque under 5,000 RPM
- Straight through muffler design with no valves
- Designed specifically for factory dual rear exit exhaust configurations
- Limited lifetime warranty to the original purchaser
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2021-2022 | Chevrolet | Tahoe | LS |
| 2021-2022 | Chevrolet | Tahoe | LT |
| 2021-2022 | Chevrolet | Tahoe | PPV |
| 2021-2022 | Chevrolet | Tahoe | Premier |
| 2021-2022 | Chevrolet | Tahoe | SSV |
| 2021-2022 | Chevrolet | Tahoe | Z71 |
| 2021-2022 | GMC | Yukon | SLE |
| 2021-2022 | GMC | Yukon | SLT |
Specifications
| Detail | Value |
|---|---|
| Part Number | 21127BLK |
| Pipe Diameter | 3.0 inch head pipe and muffler, 2.75 inch tail pipes |
| Tip Size | Twin 4.0 inch |
| Tip Finish | Black PVD Pro-Series |
| Material | 304 Stainless Steel |
| Sound Level | Sport |
| Exit Style | Dual Rear Exit |
| Horsepower Gain | Up to 20 percent under 5,000 RPM |
| Torque Gain | Up to 20 percent under 5,000 RPM |
| UPC | Not published by manufacturer |
What's Included
- 1x 21127BLK cat-back exhaust system with mufflers and pipes
- Twin 4.0 inch Black PVD Pro-Series tips
- All necessary clamps and hardware
- Installation instructions
About CORSA Performance
CORSA Performance engineers its dual rear exit systems to match factory exhaust routing exactly. The 21127BLK carries that precision fit into a blacked out finish, combining 304 stainless steel construction with Reflective Sound Cancellation so Tahoe and Yukon owners get a bold tone and a stealthy look together.
Related Parts on Our Site
- Corsa 21-22 Tahoe/GMC Yukon 4DR 5.3L 4WD Dual Rear 3/2.75in Sport Cat-Back DW 4in Pol Tips
- Corsa 21-22 Chevrolet Tahoe/GMC Yukon 4DR 6.2L 4WD Dual Rear 3.5/2.75in Sport Cat-Back DW 4in BLK Tips
- Corsa Single Universal 3.0in Inlet / 4.5in Outlet Black PVD Pro-Series Tip Kit
Frequently Asked Questions
What is the 21127BLK?The 21127BLK is a CORSA Sport level 3.0 inch cat-back exhaust for 2021-2022 Chevrolet Tahoe and GMC Yukon 5.3L trucks with a factory dual rear exit exhaust, featuring twin 4.0 inch Black PVD Pro-Series tips.
Does the 21127BLK fit trucks with a single side exit exhaust?No, the 21127BLK requires a factory dual rear exit configuration; single side exit trucks need a different CORSA system.
What trims does the 21127BLK fit?It fits Tahoe LS, LT, PPV, Premier, SSV, and Z71, as well as Yukon SLE and SLT for the 2021-2022 model years.
How much horsepower does the 21127BLK add?CORSA rates the 21127BLK for up to a 20 percent increase in horsepower and torque under 5,000 RPM versus the stock exhaust.
What finish are the exhaust tips?The 21127BLK comes with Twin 4.0 inch Black PVD Pro-Series tips for a deep black finish that resists heat discoloration.
Does the 21127BLK use valves to control sound?No, it uses a straight through muffler design with no valves, relying on RSC technology to manage drone.
Is the 21127BLK covered by a warranty?Yes, it carries a limited lifetime warranty to the original purchaser.
Can I get the 21127BLK with polished tips instead?Yes, the 21127 is the same system with Polished Pro-Series tips instead of black.
Installation Instructions
- Raise and safely support the vehicle on a lift or jack stands.
- Remove the factory dual rear exit exhaust starting at the rearmost hangers.
- Disconnect factory hangers and lower the stock exhaust for removal.
- Test fit the CORSA 21127BLK system starting at the front connection point.
- Secure all factory hanger points with the CORSA mufflers and pipes.
- Install the provided clamps at each connection joint without fully tightening.
- Align the twin 4.0 inch Black PVD tips evenly with the rear bumper openings.
- Tighten all clamps to specification once alignment is confirmed.
- Start the vehicle and inspect the full system 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.
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