I think they maybe something wrong with the PSN version:
"I experienced pop in like seen in the 360 disc vs. install video, most notably the beach shot where the beach texture and background objects pop in delayed. Also on the first Franklin driving mission, all the gas pumps at a gas station popped in about 5 feet away from my car"
http://www.neogaf.com/forum/showpost.php?p=82315985&postcount=3







