The aFe Rock Basher cat-back exhaust system is constructed from 3 in. mandrel-bent 409 stainless steel tubing and finished with a hi-tuck tip designed to provide extra clearance during steep climbs, descents, and rough terrain use. It uses a high-flow 409 stainless muffler for a deep exhaust tone and a heavy-duty interlock flex pipe for added durability, bolting to the factory flange and hangers on 2023-2025 Chevrolet Colorado and GMC Canyon 2.7L turbo trucks.
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2023-2025 | Chevrolet | Colorado | |
| 2023-2025 | GMC | Canyon | |
| 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 | GMC | Canyon | AT4X |
| 2026 | GMC | Canyon | AT4X |
| 2023-2026 | GMC | Canyon | Denali |
| 2023-2026 | GMC | Canyon | Elevation |
| Detail | Value |
|---|---|
| Manufacturer part number | 49-44148 |
| Tubing diameter | 3 in. |
| Material | 409 stainless steel |
| Tip style | Hi-tuck |
| Installation | Direct bolt-on using factory flange and hangers |
aFe POWER has engineered air intake, exhaust, and forced induction components since 1993, developing and dyno testing its own products to deliver measurable airflow and performance gains across gas and diesel truck, SUV, and performance car platforms.
No, it uses the factory-style flange and hangers for a direct bolt-on installation.
What is a hi-tuck tip and why does it matter for this truck?A hi-tuck tip design tucks the exhaust outlet up and out of the way to add ground clearance during steep climbs, descents, and rough terrain use.
What is this exhaust made from?3 in. mandrel-bent 409 stainless steel tubing with a matching stainless muffler.
Will this exhaust set off a check engine light?A cat-back exhaust system installs behind the factory catalytic converters and does not typically affect emissions monitoring, but confirm compatibility with your specific truck's OBD system.
Does this system include everything needed for installation?Yes, the front pipe, muffler assembly, over-axle pipe, tailpipe, and band clamps are included.
How does the sound compare to stock?aFe describes this system as producing a deep tone from the high-flow stainless muffler, louder than the stock exhaust but not as aggressive as a straight-pipe setup.
Will this fit a diesel Colorado or Canyon?No, this part number is designed for the 2.7L turbo gas engine, verify the correct part number for diesel applications.
Does this exhaust use a flex pipe?Yes, a heavy-duty flex pipe with an internal interlock liner is used for added strength and durability.
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