Cut exhaust pipe...

Yeah, I have a sawzall, but I want clean, straight cuts. Looks like I'm going to go with the chain tool, but am still trying to find a local store that may carry them - any suggestions?

http://cgi.ebay.com/ebaymotors/EXHA...temQQimsxZ20090824?IMSfp=TL090824169006r38225

4 days left, no bids, starting at $17.99