2.5 inch inner diameter piping. complete with flange ready to bolt onto any 2.5 inch collector header. example: dc sports jdm 4-1, toda 4-1, jdm itr 4-1 and all the others. Im asking $50.00. If you're interested drop me an e-mail at "lovemahbootl@yahoo.com" The length is 16 3/4"

 

pm'd