07 but dont think you want a first yr nnbs i think the only way to get without it is base model I like my ltzs so I'd Go with a 10+ for the air conditioned seats
I shop local when I can a lot of my bbc add-ons came from a local speed shop. Amazon will kill all the local stores so I do my part to keep em around even if I spend a few extra$$
Burried her pretty good. them 36s wernt on the ground no more and wet snow over the axles and bumper was plowing! First (off) road on gravel road but no gravel seen... experience with the big block it was a blast took a skid to get to me!