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Xtreme Sound for the Durango SUV
The CORSA 21186BLK Xtreme cat-back exhaust gives the 2011 and newer Dodge Durango a deep, aggressive tone with a 2.5 inch dual rear exit design routed to a single 4.5 inch Black PVD tip. MPN 21186BLK is built from stainless steel and engineered with Reflective Sound Cancellation Technology to stay drone free during highway cruising while delivering a bold exhaust note under acceleration.
Key Features
- 2.5 inch dual rear exit cat-back exhaust
- Single 4.5 inch Black PVD dual wall tip
- Stainless steel construction for long term durability
- Reflective Sound Cancellation Technology eliminates drone at cruise
- Xtreme sound level for a bold, aggressive tone
- Direct bolt-on installation using factory hangers
- Mandrel-bent tubing for improved exhaust flow
- Limited lifetime warranty against manufacturing defects
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2011-2024 | Dodge | Durango | All Trims |
Specifications
| Detail | Value |
|---|---|
| MPN | 21186BLK |
| Pipe Diameter | 2.5 inch dual rear exit |
| Tip Size | 4.5 inch single |
| Tip Finish | Black PVD dual wall |
| Sound Level | Xtreme |
| Material | Stainless Steel |
What's Included
- CORSA 21186BLK cat-back exhaust assembly
- Single 4.5 inch Black PVD tip
- All mounting hardware and clamps
- Printed installation instructions
About CORSA Performance
CORSA Performance designs and manufactures American made exhaust systems in Berea, Ohio. Every CORSA system uses patented Reflective Sound Cancellation Technology to remove unwanted drone frequencies while preserving an aggressive tone under acceleration, backed by a limited lifetime warranty.
Related Parts on Our Site
- Corsa Dodge Durango Sport Cat-Back Exhaust Polished Tips
- Corsa Jeep Grand Cherokee 5.7L Hemi Cat-Back Exhaust Systems
Frequently Asked Questions
What is the 21186BLK?The 21186BLK is a CORSA Xtreme 2.5 inch dual rear exit cat-back exhaust for the Dodge Durango, finished with a single 4.5 inch Black PVD tip.
What years of Durango fit the 21186BLK?MPN 21186BLK fits 2011 and newer Dodge Durango models across available trims and engine options.
How loud is the Xtreme sound level?The Xtreme sound level is CORSA's most aggressive tuning, delivering a bold, deep tone under acceleration while remaining drone free at cruise.
Does the 21186BLK require cutting or welding?No, the 21186BLK bolts directly to the factory hangers with no cutting or welding required.
Is a polished tip version available?Yes, CORSA offers a Sport level polished tip counterpart for the Durango platform.
Is the 21186BLK legal in all 50 states?Yes, cat-back systems like the 21186BLK retain the factory catalytic converters and are legal for sale and use nationwide.
Will the Black PVD finish discolor from heat?CORSA's Black PVD coating is designed to resist fading and discoloration under normal driving and heat conditions.
What warranty covers the 21186BLK?CORSA backs the 21186BLK with a limited lifetime warranty against manufacturing defects.
Installation Instructions
- Raise and safely support the vehicle on a lift or jack stands.
- Remove the factory exhaust system starting at the mid pipe connection.
- Disconnect factory hangers from the rubber isolators and remove the stock muffler assembly.
- Position the CORSA 21186BLK cat-back assembly using the factory hangers.
- Install provided clamps at each pipe connection without fully tightening.
- Align the single tip evenly within the rear valance opening.
- Tighten all clamps to the specified torque once alignment is confirmed.
- Start the vehicle and inspect for leaks or contact points before road testing.
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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