1. Xforce full exhaust system doesn't drone that much it's a nice tone, so are the other exhausts 2. Do a full intercooler system ether process west or plazmaman 3. If you going to do brakes you mite aswell get some second hand brembos 4. there are many choices for lowering springs or the full deal with coil overs 5. You want grip nitto invos seem to be the choice so far Where are you located?