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Unlock the SRT Growl Hiding Under Your Hood
The CORSA 21058 Xtreme cat back exhaust transforms the 2012-2021 Jeep Grand Cherokee SRT 6.4L into a genuine muscle SUV, delivering a deep, aggressive note without the drone that plagues most aftermarket systems. Dual rear exit 2.75 inch stainless piping feeds a pair of polished 4.5 inch Pro-Series tips, and CORSA's Reflective Sound Cancellation technology keeps highway cruising civilized.
Key Features
- Patented Reflective Sound Cancellation (RSC) Technology eliminates in-cabin drone
- 2.75 inch mandrel bent 304 stainless steel tubing
- Dual rear exit with single 4.5 inch polished Pro-Series dual wall slash cut tips
- Increases flow by up to 77 percent over the stock exhaust
- Adds up to 26 horsepower and 40 lb-ft of torque
- Sheds up to 21 pounds versus the factory exhaust
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2012-2021 | Jeep | Grand Cherokee | SRT |
Specifications
| Detail | Value |
|---|---|
| Part Number | 21058 |
| Pipe Diameter | 2.75 inch |
| Exit Style | Dual Rear Exit |
| Tip Finish | Polished Stainless |
| Sound Level | Xtreme |
| Material | 304 Stainless Steel |
| Flow Increase | 77 percent |
| Horsepower Gain | Up to 26 HP |
| Torque Gain | Up to 40 lb-ft |
| UPC | 847466021051 |
What's Included
- CORSA 21058 Xtreme cat back exhaust system
- Dual wall polished Pro-Series exhaust tips
- All necessary mounting hardware and clamps
- Printed installation instructions
About CORSA Performance
CORSA Performance is the market leader and originator of No Drone Exhaust Technology. Every CORSA system is engineered and manufactured in Berea, Ohio from premium 304 stainless steel and backed by a Limited Lifetime Warranty, giving Grand Cherokee SRT owners a durable, drone free upgrade.
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Frequently Asked Questions
What is the 21058?The CORSA 21058 is a 2.75 inch dual rear exit Xtreme cat back exhaust system for the 2012-2021 Jeep Grand Cherokee SRT 6.4L V8, finished with polished 4.5 inch Pro-Series tips.
Will the 21058 trigger a check engine light?CORSA notes this system may cause a check engine light due to reduced back pressure on some vehicles, so check with CORSA support if this is a concern.
Can the 21058 be paired with aftermarket headers?CORSA does not recommend pairing the Xtreme sound level 21058 with headers.
How much horsepower does the 21058 add?The 21058 adds up to 26 horsepower and 40 lb-ft of torque thanks to a 77 percent increase in exhaust flow.
Does the 21058 cause interior drone?No, CORSA's Reflective Sound Cancellation technology eliminates drone frequencies during highway cruising.
What tip finish is included with the 21058?The 21058 comes with polished stainless steel 4.5 inch Pro-Series dual wall slash cut tips.
How much weight does the 21058 save?The Xtreme sound level 21058 saves up to 21 pounds compared to the factory exhaust system.
Is welding required to install the 21058?No, the 21058 is a direct bolt on system that uses factory hanger locations.
What warranty comes with the 21058?CORSA backs the 21058 with a Limited Lifetime Warranty.
Installation Instructions
- Raise and safely support the vehicle on a lift or jack stands.
- Remove the factory exhaust system starting at the muffler hangers.
- Test fit the new CORSA 21058 system to confirm alignment with factory hangers.
- Secure all mounting points using the supplied hardware and clamps.
- Adjust tip alignment for proper clearance before final tightening.
- Lower the vehicle and inspect for leaks or contact points at idle.
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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