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Description
AFE 49-04064-B ATLAS Aluminized 3-1/2" DPF-Back Exhaust SystemThe AFE 49 04064 B ATLAS Aluminized 3 1 2" DPF Back Exhaust System at GAP is what your 2016 2022 GM Colorado Canyon 2. 8L Duramax LWN needs. WARRANTY INFO: 2 Year Note: Fits both Crew Cab, Short Bed (128. 3" Wheelbase) & Crew Cab, Long Bed (140. 5" Wheelbase) Cutting behind the DPF is required for installation.
The AFE 49-04064-B ATLAS Aluminized 3-1/2" DPF-Back Exhaust System at GAP is what your 2016-2022 GM Colorado/Canyon 2.8L Duramax LWN needs.
WARRANTY INFO:
2 Year
Note: Fits both Crew Cab, Short Bed (128.3" Wheelbase) & Crew Cab, Long Bed (140.5" Wheelbase)
Cutting behind the DPF is required for installation.
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4.8 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
right size for your dock.
Fit perfectly. Everything is nice and neat.
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Reviewed in the United States on December 14, 2025
★★★★★ 5
Sturdy, worked well
Holds it sturdy
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Reviewed in the United States on December 21, 2025
★★★★★ 5
Solid as described
Value for money and easy installation
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Reviewed in the United States on October 4, 2025
★★★★★ 5
Great for a gaming laptop!
Color: Black, Size: 1.37" without hook
Great product is you want to mount any size laptop under your desk. I used it for my Alienware gaming laptop and it's fantastic! The three points of contact hold the laptop securely, while allowing maximum airflow for the fans. The three "clamps" are rock solid and will definitely outlive the laptop. The installation was simple and easy, just need a drill.
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Reviewed in the United States on March 15, 2026
★★★★★ 5
under desk laptop system
Color: Black, Size: 1.37" without hook
Reclaimed real desk space with this one. The mount holds the laptop securely underneath without any vibration or creaking and the installation required no drilling — clamped cleanly to the desk edge. The ventilation spacing is generous enough that thermals stay reasonable even under load. Works with a solid range of laptop sizes and the adjustment mechanism is easy to use. If your laptop spends most of its time docked this is the cleanest way to get it out of the way.
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Reviewed in the United States on March 25, 2026