CORSA's Pro Series cat-back for the Ram 1500 RHO is a 3.0 inch 304 stainless steel true dual system with two mufflers, integrated X-pipes and CORSA's No-Drone RSC (Reflective Sound Cancellation) technology for a quiet cabin at cruise. Tuned specifically to the RHO's 3.0L twin-turbo, it delivers an aggressive Sport-level note on start-up and hard acceleration while staying drone-free on the highway, and it outflows the stock system. It bolts on in about an hour and is made in the USA.
Specifications
| Type | Pro Series cat-back exhaust (true dual, dual rear exit) |
| Material | 3.0 in 304 stainless steel |
| Sound | Sport level, No-Drone RSC technology |
| Tips | 5.0 in dual-wall flat-cut, gunmetal PVD |
| Finish | Gunmetal |
| Warranty | Limited lifetime |
| Origin | Made in USA |
| Part Number | 21389GNM |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2025-2026 | Ram | 1500 | RHO Crew Cab 3.0L Turbo |
Shipping
- Orders placed before 3 PM ET typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty
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