Tundra bed rail seal

Looking for feedback from 3rd gen owners about water intrusion from the plastic bed rails on the tundra bed after installing the GFC.

I see some people are using silicone under the rails and some are even using shims under the rails because they can squish and distort.

Is all this really necessary? What has been your experience?

Is there a better fix if this is indeed an issue?

I get my v2 installed in September, so I would like to have the truck as ready as possible.
2020 tundra.
Thanks for any help! :slightly_smiling_face:


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