As others have already said, invest in yourself. Join your local PCA chapter and then sign up for their DE. Save the money for inevitable maintenance expenses. Learn how to do some of the maintenance yourself by buying the 101 Projects for your Boxster. The LN Spin Oil Filter along with the magnetic drain plug is another good choice so that you can take care of your engine. The under drive pulley would be a good, reasonably priced upgrade to start out with to gain a little more HP. The top speed muffler is also reasonably priced if your money is burning a hole in your pocket. I would upgrade your speakers before the HU. And don't worry about your age, there are plenty of other young guys on this forum. It is always good to see youth and enthusiasm! Enjoy and welcome
