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Drone-Free Xtreme Sound for the Most Powerful Challengers Built
The Corsa COR14989 Xtreme Cat-Back Exhaust is a 2.75-inch mandrel-bent T304 stainless steel cat-back system for the 2015-2021 Dodge Challenger SRT Hellcat, SRT 392, and 6.4L Scat Pack equipped with dual rear exit. Corsa's patented Reflective Sound Cancellation (RSC) technology eliminates interior drone at cruise while delivering the aggressive exhaust note these high-output HEMI engines demand at full throttle. Finished with twin 3.5-inch polished stainless tips, the COR14989 is a direct bolt-on replacement with no cutting or welding required.
Key Features
- Corsa RSC (Reflective Sound Cancellation) technology: aggressive sound, zero interior drone
- Mandrel-bent T304 stainless steel construction for long-term corrosion resistance
- 2.75-inch diameter main pipe for maximum flow on 6.2L and 6.4L HEMI applications
- Twin 3.5-inch polished stainless exhaust tips
- Direct bolt-on fit: no cutting, no welding, no modifications required
- Limited lifetime warranty from Corsa Performance
- Made in the USA by Corsa Performance
Vehicle Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2015-2021 | Dodge | Challenger | SRT Hellcat |
| 2015-2018 | Dodge | Challenger | SRT 392 |
| 2015-2021 | Dodge | Challenger | Scat Pack |
| 2018-2021 | Dodge | Challenger | SRT Hellcat Redeye |
Specifications
| Detail | Value |
|---|---|
| MPN | COR14989 |
| Brand | Corsa Performance |
| System Type | Cat-Back |
| Sound Level | Xtreme |
| Pipe Diameter | 2.75 inches |
| Tip Style | Twin 3.5-inch Polished Stainless |
| Exit | Dual Rear Exit |
| Material | T304 Stainless Steel |
| Technology | RSC (Reflective Sound Cancellation) |
| Warranty | Limited Lifetime |
| Origin | Made in USA |
| UPC | 847603005547 |
What's Included
- Corsa COR14989 cat-back exhaust system (all sections)
- Twin 3.5-inch polished stainless tips
- All hardware and gaskets for bolt-on installation
About Corsa Performance
Corsa Performance was founded in 1989 in Berea, Ohio and is the only exhaust brand with patented RSC (Reflective Sound Cancellation) technology. Every Corsa system is mandrel-bent from T304 stainless steel, assembled in the USA, and backed by a limited lifetime warranty. Corsa exhausts deliver maximum sound at wide-open throttle with zero interior drone at highway speeds.
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Frequently Asked Questions
What is the COR14989?The Corsa COR14989 is a 2.75-inch Xtreme cat-back exhaust system for the 2015-2021 Dodge Challenger SRT Hellcat and 6.4L models, featuring RSC drone-elimination technology and twin 3.5-inch polished tips.
Does the COR14989 fit the Challenger Demon?The Challenger Demon shares the same exhaust configuration as the SRT Hellcat. Verify with the fitment guide or contact us before ordering for confirmed Demon compatibility.
Does the COR14989 produce drone at highway speeds?No. Corsa's RSC technology uses tuned internal resonance chambers to cancel standing waves inside the exhaust, eliminating drone at cruise RPM while preserving the aggressive sound at full throttle.
How does the Xtreme sound level compare to Corsa Sport?The Xtreme is Corsa's loudest street-legal sound level. The Sport is more moderate and better suited for daily driving. Both use RSC technology for drone-free operation.
Is the COR14989 a direct bolt-on?Yes. The COR14989 bolts directly to the factory exhaust flanges with no cutting or welding required on all covered fitments.
Does the COR14989 require any tuning?No tune is required for the COR14989. It is a direct cat-back replacement that does not alter engine management or require ECU recalibration.
What tip finish does the COR14989 come with?The COR14989 includes twin 3.5-inch polished stainless tips. For black PVD tips, see the COR14989BLK.
What warranty does the COR14989 carry?Corsa Performance provides a limited lifetime warranty against defects in materials and workmanship on all exhaust systems including the COR14989.
Installation Instructions
- Allow the vehicle to cool completely before beginning
- Safely raise and support the Challenger on jack stands or a lift
- Remove the factory cat-back exhaust by unbolting the flanges and rubber hangers
- Test-fit the COR14989 sections from front to back before final tightening
- Torque all flange bolts to specification and seat the rubber hangers
- Lower the vehicle and start the engine to verify fitment and check for leaks
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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