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Parts Needed to Add Trax Rails to 2020 GMC Sierra 1500 with 5-3/4' Bed with RetraxPRO MX Cover


I have a RetraxProMX tonneau #80481 on a 2020 Sierra 1500 5' 9" bed and want to upgrade to the XR rails. Do you have these?


Expert Reply:

To upgrade the RetraxPRO MX Hard Tonneau Cover # RTX77FR on your 2020 GMC Sierra 1500 with 5-3/4' bed to the RetraxPRO XR Hard Tonneau Cover w/ Trax Rails # RTT-80481 you just need the Side Rails # RTX39FR.

These 2 tonneau covers are the same exact thing aside from the side rails so this is the only thing you'll need to make the conversion.

Once you have the Trax Rails installed you'll be able to use them for accessories like the Yakima OverHaul HD which comes with 68" HD bars as part # Y01151-5855 as well as 78" HD bars as part # Y01151-5955.

expert reply by:
Jon G

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