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.