The guys name is Dan- his handle over on Buelletinboard.com is Thump-e
I think you would get a better deal on it if you contacted him via a PM over on that forum. The complete kit would include the bent intake, the rubber boot/clamp and filter.
I have one on my wifes Blast but it came with it when I bought it. We have knocked it off with our leg goofing around but it bolts right back on easy.