i have a brand new 07 chevy new body stlye and want to add power to it. it has the 5.3. so what are some things i can do to it to give me more hp and tq. with out coasting a arm and leg. i was thinking whipple but they haven't made one for my truck yet. so any help will b great full. ty.

 

CAI, cat back, cam, HP Tuners.