The CORSA Xtreme cat-back exhaust is a 3.0 inch 304 stainless steel system that exits to a single passenger side with twin 4.0 inch dual-wall Pro Series tips in a Black PVD finish. Xtreme is CORSA's loudest sound level, delivering an aggressive cold start and up to 20 decibels more than stock under acceleration, while patented Reflective Sound Cancellation (RSC) technology keeps the cabin drone-free at cruise. The free-flowing design outflows the factory exhaust by 80 percent and bolts on with no cutting or welding.
Specifications
| Type | Cat-back exhaust (Xtreme sound level) |
| Configuration | Single side exit, passenger side |
| Pipe Diameter | 3.0 in |
| Material | 304 stainless steel |
| Tips | Twin 4.0 in dual-wall Pro Series |
| Finish | Black PVD |
| Sound Level | Xtreme (up to 20 dB over stock) |
| Technology | Reflective Sound Cancellation (RSC), No Drone |
| Quantity | 1 |
| Part Number | 21148BLK |
| Warranty | Limited Lifetime Warranty |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2022 | Ford | F-150 | King Ranch |
| 2021-2025 | Ford | F-150 | Lariat |
| 2021-2022 | Ford | F-150 | Platinum |
| 2021-2025 | Ford | F-150 | SSV |
| 2024-2025 | Ford | F-150 | STX |
| 2024-2025 | Ford | F-150 | Tremor |
| 2021-2025 | Ford | F-150 | XL |
| 2021-2025 | Ford | F-150 | XLT |
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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