On my 1998 C1500 ext cab I went with Polk DB6501 6.5" components and Polk 4"x6" plates in the back DB461P along with a Kenwood/excelon KDC-X998. Sounds great, but that was a long time ago. The new speaker numbers are 6502 and 462. Already have gear bought to go to the next level with amp...
We went to the one at Texas Motor Speedway a couple of years ago. Fun! Also, NASCAR teams were doing some practicing during the event. Bonus, Days of Thunder!!!