you can probally get a ubend cutout and pipe welded in for 50 bucks or less
also polish exhaust tips basicly free if you have a peice of sand paper a few bucks if you don't
remove the onstar antenna if you have it...free
make a gt or gtp grill badge...free
polish engine braces free and they polish in like 2 hours
paint your dog bones and what not $10 bucks
egr delete... not sure what that runs but not that much
port your stock manifolds... if you have a dremel then all you need is some cash for more wheels and tips..
you could spend a year working on one of these cars and only spend a few 100 just got to know a few things
