Unitronic's 3" V-Band to 65mm Adapter is constructed of 3" T304 stainless steel tubing and features a TIG welded T316 Stainless Steel V-Band Flange. It is built to outlast and outperform the competition. Use this adapter to mate Unitronic's 3" Downpipe to your stock cat-back exhaust system. There's simply nothing like it!