just got BAD news there sold out!
yepyep what they said^^, if you want the best performance gain (although i dont think it'll be much) go with a cold air intake instead of a short ram. check the marketplace or craigslist, i picked up my injen CAI for $50 locally. the cheapest 'new' cold air can be found here http://simotausa.com/mazdaprotegecoldairintakesystem.aspx