WeatherTech liners l
What was the first modification (if any) on your 4Runner?
Did the same thing @ 65 miles. Tinted windows, LineX the silver bumper covers, N-Fab bars..TRD sema wheels and 275/70/17 bfg all terrains, 2 days after I brought it home.
Dealer didn't fill up the tank for you?! Sucka!