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Xtreme Sound from the 6.4L SRT Engine Bay to the Tips on 2012-2021 Grand Cherokee SRT
The Corsa Performance COR21058BLK Xtreme Cat-Back Exhaust is engineered to fully express the potential of the 2012-2021 Jeep Grand Cherokee SRT 6.4L HEMI V8. This single-exit 2.75-inch T304 stainless steel system routes through Corsa's Xtreme-tuned muffler and exits through a single 4.5-inch black PVD Pro-Series tip, delivering an unmistakably deep and aggressive HEMI note. Corsa's patented RSC Technology keeps interior drone in check even at Xtreme sound levels, making the COR21058BLK a real-world daily driver upgrade. Bolt-on installation requires no tune and preserves all factory emissions hardware. The black PVD tip finish pairs perfectly with the SRT's dark exterior trim elements.
Key Features
- Corsa Xtreme sound level tuned for the 6.4L Grand Cherokee SRT HEMI
- 2.75-inch mandrel-bent T304 stainless steel construction
- Single 4.5-inch black PVD Pro-Series tip
- RSC Technology manages drone at Xtreme sound levels
- Bolt-on installation, no tune required
- Limited lifetime warranty, made in the USA
Vehicle Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2014-2021 | Jeep | Grand Cherokee | SRT |
Specifications
| Detail | Value |
|---|---|
| Part Number | COR21058BLK |
| MPN | COR21058BLK |
| Finish | Black PVD |
| Tip Size | 4.5 inch Black PVD Pro-Series |
| Pipe Diameter | 2.75 inch |
| Material | T304 Stainless Steel |
| System Type | Xtreme Cat-Back |
| Exit | Single Rear Exit |
| Fitment | 2012-2021 Jeep Grand Cherokee SRT 6.4L HEMI |
| Prop 65 | Yes |
| Warranty | Limited Lifetime |
| Made In | USA |
| UPC | 847442023749 |
What's Included
- Complete Xtreme cat-back exhaust system
- 4.5-inch Black PVD Pro-Series tip (single)
- OEM-style hangers and hardware
- Corsa installation instructions
About Corsa Performance
Corsa Performance has set the standard for performance exhaust engineering since 1989. Built in Berea, Ohio from mandrel-bent T304 stainless steel, every Corsa system features patented RSC Technology and is backed by a limited lifetime warranty.
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Frequently Asked Questions
What is the COR21058BLK?The COR21058BLK is a Corsa Performance Xtreme cat-back exhaust system with a single 4.5-inch black PVD tip, designed for the 2012-2021 Jeep Grand Cherokee SRT 6.4L HEMI V8. It uses Corsa's patented RSC Technology to deliver Xtreme sound levels without interior drone.
Does the COR21058BLK fit both the early (2012-2013) and late (2014-2021) Grand Cherokee SRT?The fitment confirmed is 2014-2021. For 2012-2013 SRT fitment, verify with the Corsa fitment guide or contact us before ordering, as there may be minor suspension and exhaust routing differences in those early WK2 years.
Will this exhaust fit the Trackhawk 6.2L?No. The COR21058BLK is designed for the SRT 6.4L engine. For the Trackhawk 6.2L supercharged HEMI, see COR21051BLK or COR21052BLK.
Is the single exit configuration less effective than dual exit?The single exit on the COR21058BLK matches the factory SRT exhaust routing. The exhaust flow is optimized for this configuration and the single 4.5-inch tip provides strong visual presence from the rear.
Does the COR21058BLK require a tune?No. This system is a bolt-on replacement that retains all factory emissions components. No ECU tune is required.
Is there drone inside the cabin with the Xtreme level?Corsa's RSC Technology manages drone even at the Xtreme level. While it is Corsa's loudest tune, it remains far more refined than straight-pipe or drone-heavy alternatives, particularly at highway speeds.
What warranty does Corsa offer?Corsa Performance covers the COR21058BLK with a limited lifetime warranty against manufacturing defects in materials and workmanship.
Is this system CARB compliant?No. The COR21058BLK is not CARB compliant and is for off-highway use in California. It is street legal in all other US states.
Installation Instructions
- Safely raise the Grand Cherokee on a lift or jack stands and allow the factory exhaust to cool.
- Locate the factory cat-back disconnect point behind the catalytic converters.
- Disconnect the factory exhaust and remove from all OEM hanger locations.
- Route the Corsa mid-pipe to the catalytic converter outlets and connect with provided hardware.
- Attach and hang the muffler assembly on OEM hanger points.
- Align the 4.5-inch black PVD tip in the factory rear bumper opening.
- Tighten all connection clamps to specification and verify hanger security.
- Start the vehicle and inspect for exhaust leaks before driving.
Prop 65 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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