There are a handful of kits. Seek and ye shall find. This isn't a Civic you're driving out and it's only been out fo a model year and a half so don't expect any miracles.
At this point the only route to serious horsepower is turbocharging. If you take the time to read a few threads you'll see most of your tuning options. More or less everything engine related has been covered in these threads.
Hardly anyone's said anything about suspension, but there's a buttload of springs and some coilovers (both true coilovers and sleeves) out there.