Diamond Eye ADAPTER 4in ID (4in TB FITS INSIDE) TO 4-13/16in OD SS FOR S 165057 & 165058 PartNumber : dep460053 Description : Diamond Eye ADAPTER 4in ID (4in TB FITS INSIDE) TO 4-13/16in OD SS FOR S 165057 & 165058 Exhaust, Mufflers & Tips::Connecting Pipes