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Sport Sound That Actually Delivers: Corsa Cat-Back for the 2025-2026 Ram 1500 RHO
The Corsa 21389BPC brings serious exhaust engineering to the 2025-2026 Ram 1500 RHO. Built around a 3.0-inch 304 stainless steel true dual path layout, the COR21389BPC routes exhaust through two mufflers fitted with integrated X-pipes and Corsa's No Drone RSC Technology before exiting through dual wall 5.0-inch Black Pro-Series flat cut tips. The result is a Sport-level exhaust note that is noticeably more aggressive on cold start and under acceleration and completely quiet at cruise. Engineered and manufactured in the USA, backed by Corsa's Lifetime Warranty.
Key Features
- 3.0-inch 304 stainless steel true dual path cat-back: full replacement from the catalytic converter outlets rearward
- Two mufflers with integrated X-pipes: dual-chamber design with crossover pipes built in for balanced flow and tone
- Corsa No Drone RSC Technology: Reflective Sound Cancellation tuned specifically for the Ram 1500 RHO 3.0L Hurricane inline-6 eliminates highway cruise drone
- Dual rear exit with dual wall 5.0-inch Black Pro-Series flat cut tips: one tip per side, black coated dual wall stainless construction
- Sport sound level: aggressive on acceleration and cold start, completely silent at cruise
- Jekyll and Hyde character: the COR21389BPC delivers two entirely different personalities in one bolt-on system
- -10 lbs weight savings over stock: lighter system compared to the factory Ram RHO exhaust
- 37% increase in exhaust flow: improved scavenging over the restrictive stock system
- +15 dB over stock: measurable and noticeable volume increase under throttle
- Made in USA: engineered and manufactured in Berea, Ohio
- Lifetime warranty: Corsa backs every exhaust system with a limited lifetime warranty
- Does not fit Ram 1500 models equipped with the GT Package Exhaust
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2025-2026 | Ram | 1500 | RHO (Crew Cab, 3.0L Turbo) |
Specifications
| Detail | Value |
|---|---|
| Part Number (MPN) | 21389BPC |
| Brand | Corsa Performance |
| System Type | Cat-Back |
| Pipe Diameter | 3.0 inches |
| Material | 304 Stainless Steel |
| Exit Style | Dual Rear Exit |
| Tip Size | 5.0 inches |
| Tip Style | Dual Wall Flat Cut |
| Tip Finish | Black Pro-Series Coated |
| Sound Level | Sport |
| Sound Technology | No Drone RSC |
| Weight vs. Stock | -10 lbs |
| Flow Increase | +37% |
| Volume Increase | +15 dB over stock |
| Engine | 3.0L Hurricane Inline-6 Turbo |
| Country of Manufacture | USA |
| Warranty | Lifetime Limited |
| UPC | N/A |
What's Included
- Corsa 21389BPC cat-back exhaust system
- Two dual wall 5.0-inch Black Pro-Series flat cut tips
- All necessary hardware, clamps, and hangers for installation
- Installation instructions
About Corsa Performance
Corsa Performance has been engineering and manufacturing exhaust systems in Ohio since the early 1990s. The COR21389BPC is part of Corsa's dedicated lineup for the 2025-2026 Ram 1500 RHO, built to match the Hurricane inline-6's unique firing sequence and deliver Sport-level sound through Corsa's patented RSC Technology. Every Corsa system is made in the USA and covered by a Lifetime Limited Warranty.
Frequently Asked Questions
Does the Corsa 21389BPC fit the 2025 and 2026 Ram 1500 RHO?Yes. The COR21389BPC is designed specifically for the 2025 and 2026 Ram 1500 RHO equipped with the 3.0L Hurricane turbocharged inline-6. It fits Crew Cab configurations and does not fit trucks equipped with the optional GT Package Exhaust.
What is the difference between the 21389BPC, 21389GNM, and 21389?The three SKUs share identical pipe diameter, muffler design, RSC technology, and sound level. The only difference is the tip finish. The 21389BPC has Black Pro-Series coated tips, the 21389GNM has Gun Metal Pro-Series tips, and the 21389 has Satin Pro-Series polished stainless tips. Choose based on which finish best matches your Ram RHO's exterior styling.
Will the Corsa 21389BPC drone at highway speeds?No. Corsa's No Drone RSC Technology is tuned specifically for the Ram 1500 RHO 3.0L Hurricane inline-6 firing sequence. The system is completely silent behind the wheel at cruise and delivers its Sport-level note only under acceleration or on cold start.
Does the Corsa 21389BPC fit the Ram 1500 Rebel with the 3.0L engine?No. The COR21389BPC is engineered specifically for the Ram 1500 RHO trim. The non-RHO 3.0L Ram 1500 and the Rebel use a separate Corsa exhaust system. Check fitment by trim before ordering.
How much horsepower does the Corsa 21389BPC add to the Ram 1500 RHO?The COR21389BPC delivers a 37% improvement in exhaust flow over the stock system. Exact power gains vary by supporting modifications and tuning, but the improved scavenging increases top-end output from the 3.0L Hurricane inline-6 and reduces heat soak compared to the factory restrictive system.
Are the black tips on the 21389BPC painted or coated?The 5.0-inch tips are Black Pro-Series dual wall flat cut tips with a black coating applied over stainless steel construction. Routine maintenance with a dedicated exhaust tip cleaner helps preserve the black finish over time.
Is the Corsa 21389BPC a bolt-on installation for the Ram 1500 RHO?Yes. The COR21389BPC is engineered as a direct bolt-on cat-back replacement for the 2025-2026 Ram 1500 RHO. No cutting, welding, or modifications to the factory exhaust hangers or catalytic converters are required. Professional installation is recommended for proper alignment and torque of all clamps.
What warranty comes with the Corsa 21389BPC?Corsa backs the COR21389BPC with a Lifetime Limited Warranty covering defects in materials and workmanship for as long as you own the vehicle. This is one of the strongest exhaust warranties available and reflects Corsa's commitment to USA manufacturing quality.
Installation Notes
- Allow the Ram 1500 RHO to cool completely before beginning
- Lift and support the truck safely on rated jack stands
- Remove all factory exhaust components from the catalytic converter outlets rearward, retaining all hangers and hardware for reference
- Install the Corsa 21389BPC true dual cat-back, sliding the integrated X-pipe muffler section into position at the converter outlets
- Route both rear pipes over the axle and into position, seating all hangers into the factory rubber grommets
- Slide the dual wall 5.0-inch Black Pro-Series tips onto each tailpipe and adjust for equal depth and rotation within the bumper cutouts
- Torque all clamps from front to rear at 45 ft-lbs
- Lower the truck and start the engine to verify fit, check for exhaust leaks, and confirm Sport-level exhaust tone
- Re-check and re-torque all clamps after the first heat cycle once the system has fully cooled
WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.
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