Congrats OP and welcome! I think the OEM mattress mat is a great mod. It helps prevent points from sliding about your truck mattress. So, I know a retired GM engineer; as part of his prolific career, he led highway-check campaigns inside the CA deserts, within the 70s and 80s. https://directoryecho.com/listings729027/the-greatest-guide-to-half-arms-waxing-salon-in-lincoln