I have a Forge turbo recirculating valve "the supersize valve" It has a 2" internal diameter and 1 5/8" outlet. Its polished aluminum and in perfect shape, bought and put away. I'm also throwing in a silicon coupler and small piece of tubing for the mount. I'm looking for $150 obo on this.
http://www.forgemotorsport.com/The_Supersize_Valve__Only_the_Biggest_Will_Do--product--796.html
http://www.forgemotorsport.com/The_Supersize_Valve__Only_the_Biggest_Will_Do--product--796.html