Originally Posted by rick3000

Have fun with your $500, instead of doing only one big thing. Make your own rear strut brace for $10, do the OBC hack for $50, and buy a spoiler sticker for $20. I wouldn't drop $500 on one think like an air intake that might gain you 5HP, do a lot of nice little things, and then your $500 will last longer and make you appreciate the car more. Don't waste $500 on HP upgrades that will get you very little for your money.
That is just my $0.02!