Yep, I found it on Ebay, but bought it outright before the auction ended...we happened to be in the same city.

Well, the experts appear to win...I took a ride with the stock pipe back on (and with KDX snorkel) and I would say it revs a little more freely with the stock pipe. No popping on decelleration either. I'll take some longer rides this weekend over some familiar terrain to make sure, but I think the stock is marginally better.