hmmm, you could remove the intake resonator, give your car a little better tone? you could...remove your center console and see whats under there, i found all sorts of goodies under mine. Ummm, spend 5 bucks and buy new vacuum lines from discount and replace all the vacuum lines...ummm....
swiss cheese your intake box?
you could troll the classifieds, that always kills lots of time for me
play on ebay...
play videogames
that stuff is free
hmmmm