Unfortunately, his auction pretty much states local only until he added some blurb about shipping if the buyer had the pipes cut. He didn't mention specific charges, flat rate, anything. You're pretty much at his mercy.
The other problem is that he's taking it to a UPS Store, which are fucking ridiculously expensive when they pack and ship anything. Last year I sold two sets of chrome Firebird OEM rims w/ tires. The first time I quoted my auction as $180 shipped in the continental US using the calculator on the UPS site and figuring the store would charge about $40 ($10 per box) to ship. It came to $280 from here to Texas because they charged a shit-ton for packing/packaging and I'd also think they have a hidden surcharge when you use their services to ship.
Six months later I sold another set and boxed the fucking things myself, which ran me $20 in boxes, tape, and foam peanuts. The shipping from here to California (go figure) was around $150.