The Rock Basher is aFe's off road oriented cat-back for the 2.7L Colorado and Canyon, built from 3 in mandrel bent 409 stainless steel tubing and ending in a turn down exit rather than a tip, so there is nothing hanging below the bumper to catch on rocks or a trailer. A high flow 409 stainless muffler sets the tone, deep and aggressive at moderate volume rather than raspy. The system uses a heavy duty flex pipe with an internal interlock liner to absorb driveline movement, and it bolts to the factory flange and hangers with no cutting or modification. Every joint is 100% MIG welded, and the whole system is laid out in CAD against scan data so it drops in without fighting the underbody.
Specifications
| Type | Cat-back exhaust system (Rock Basher) |
| Tubing | 3 in mandrel bent, 409 stainless steel |
| Muffler | High flow 409 stainless steel |
| Exit | Turn down, no tip |
| Material | 409 stainless steel, 100% MIG welded |
| Sound Level | Moderate; deep, aggressive tone |
| Installation | Direct bolt-on to factory style flange and hangers; no cutting required |
| Quantity | 1 system |
| Part Number | 49-44148 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2023-2026 | Chevrolet | Colorado | LT |
| 2023-2026 | Chevrolet | Colorado | Trail Boss |
| 2023-2026 | Chevrolet | Colorado | WT |
| 2023-2026 | Chevrolet | Colorado | Z71 |
| 2023-2026 | Chevrolet | Colorado | ZR2 |
| 2023-2026 | GMC | Canyon | AT4 |
| 2023-2024,2026 | GMC | Canyon | AT4X |
| 2023-2026 | GMC | Canyon | Denali |
| 2023-2026 | GMC | Canyon | Elevation |
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
