Our 4-Way Formed Turbo Weld-On Collectors are made from 304 stainless steel. We have them in two primary sizes, 1-7/8 and 2"". These turbo collectors are 6-inches in length. The transition is 4"" long with a 2"" stub. Price is per-collector. Primary Sizes Of 1-7/8"" or 2"" Developed Specifically For Turbo Applications Made in the USA 304 Stainless Steel Construction
All warranty questions, claims or otherwise should be directed toward the manufacturer, Dart.