Hyosung gt250r, correct? Year?
This MAY be what you are looking for.
http://www.ebay.com/itm/02-03-04-05-06-07-08-HYOSUNG-V2S-GT250R-EXHAUST-HEAD-PIPE-HEADER-MUFFLER-/380948116482?pt=Motorcycles_Parts_Accessories&hash=item58b246f402&vxp=mtr
Not hard to replace, you can do yourself if you can...