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A Dual Exit Voice for Tahoe and Yukon Owners
The CORSA 21127 is a Sport level 3.0 inch cat-back exhaust engineered for 2021 to 2022 Chevrolet Tahoe and GMC Yukon 5.3L trucks equipped with a factory dual rear exit exhaust. Reflective Sound Cancellation technology removes the flat drone of the stock system, replacing it with a deep, purposeful tone that stays composed at cruise and opens up under load. Twin 4.0 inch Polished Pro-Series tips finish the dual exit stance.
Key Features
- 3.0 inch mandrel bent 304 stainless steel cat-back system
- Reflective Sound Cancellation (RSC) no drone technology
- Twin 4.0 inch Polished 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 | 21127 |
| Pipe Diameter | 3.0 inch head pipe and muffler, 2.75 inch tail pipes |
| Tip Size | Twin 4.0 inch |
| Tip Finish | Polished 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 21127 cat-back exhaust system with mufflers and pipes
- Twin 4.0 inch Polished Pro-Series tips
- All necessary clamps and hardware
- Installation instructions
About CORSA Performance
CORSA Performance designs its dual rear exit systems to match the factory exhaust routing on modern GM SUVs exactly. The 21127 uses that same engineering discipline, pairing 304 stainless steel construction with Reflective Sound Cancellation so Tahoe and Yukon owners get a confident, aggressive tone without cabin drone.
Related Parts on Our Site
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Frequently Asked Questions
What is the 21127?The 21127 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 Polished Pro-Series tips.
Does the 21127 fit trucks with a single side exit exhaust?No, the 21127 is built specifically for dual rear exit factory exhausts; single side exit trucks require additional GM parts or a different CORSA part number.
What trims does the 21127 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 21127 add?CORSA rates the 21127 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 21127 comes with Twin 4.0 inch Polished Pro-Series tips for a bright chrome like appearance.
Does the 21127 use valves to control sound?No, the 21127 uses a straight through muffler design with no valves, relying on RSC technology to manage drone.
Is the 21127 covered by a warranty?Yes, it carries a limited lifetime warranty to the original purchaser.
Can I get the 21127 with black tips instead?Yes, the 21127BLK is the same system with Black PVD Pro-Series tips instead of polished.
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 21127 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 Polished 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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