I'm new to the focus community and after only a few short weeks of ownership I already have most of my cosmetic upgrades done to my car. Now however I'm curious to what I should do next. I have read a lot of threads on the engine mounts and sway bars and of course CAI. Are either the engine mounts or sway bars providing any real noticeable improvements? And how so? Also is there any cheap(under ~$300 or so) upgrades to the exhaust? I don't want my car to sound like rice or have a loud idle sound. I just want a solid good more vigorous sound at the higher rpm's or else I would simply go straight pipe, but given the fact it's a 4beater I won't. Any comments or feedback would be appreciated thanks.