Bills pipes exhaust for 250R on ebay

[Scootertrash]

Don't know anything about 'em, just though somene may be interested. I assume it's some kind of aftermarket performance pipe.

http://www.ebay.com/itm/110914881158?ru=http%3A%2F%2Fwww.ebay.com%2Fsch%2F i.html%3F_sacat%3D0%26_nkw%3D110914881158%26_rdc%3 D1