IMO i wouldnt ,i paid extra for my warranty and just passed up the chance to renew it , i bought my truck w/ 38k miles i deleted at 78k miles and should have done that when i got the truck but wanted piece of mind that if something happened i could get it repaired ,ive had an egr valve replaced and a radiaotor and oil cooler ,thats only issues ive had , from my understanding if there was an issue