Material: T304 Stainless Steel Fabricated using mandrel bends and then tig welded together. Twin Inlets Size: Inside Diameter off the slip ends 38mm We can make you custom Y pieces at an extra cost. Please email our sales team for more information. We make these to order, therefore we require at least 1 working day to have the Y piece welded and polished. If you require a Y piece on a next working day delivery than please call us to discuss possible options. Please Visit Our eBay Store for a Wide range of TOP QUALITY Parts! Please note that since January 4th, any purchases made from customers outside United Kingdom are like to get charged and import tax / duty by your Customs. Please check the tax charge in your country before making a purchase. Buyer / recipient is responsible for any ex.