Chevy and GMC Duramax Diesel Forum - View Single Post - 2020 GMC 2500 Denali
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post #29 of (permalink) Old 08-25-2019, 08:00 AM
DmaxBill
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Join Date: Oct 2017
Location: California/Florida
Posts: 116
When I purchased my 2018 Denali I did a lot of research on bed covers. I looked at many covers that were installed on other trucks. In the end I went with the ReTrax Aluminum non power
and have never regretted it. For the most part it is dust and water tight. It locks in any position and when closed and locked I believe it is the most secure cover out there. I have a Pullrite Superglide 5th wheel hitch and the Retrax slides right over the top of it making the bed completely secure while disconnected from the trailer.

2018 GMC Denali 3500 L5P White Frost Metalic
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