I am thinking about getting a '05 or '06 Crew Cab SE 2wd with the power package. I read some reviews about the truck and it all seems good so I just want to know what you guys think first hand about your trucks. How is the availability of performance parts. I would like to install headers,intake and exhaust. I currently have 01 gmc crew cab 4x4 and i get 9 mpg with mud terrain tires. Gas here is close to $3.00, so I need a truck with better mpg. Thanks for your help.