2011-14 Ford F-150 Ecoboost 3.5L for up to 156.5" Wheelbase. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. 3.5" catback exhaust with Chambered Turbo Muffler to fit forward Factory Connection point. These are TIG welded for strength and durability. These kits come with a lifetime warranty and proudly made in the USA.
All warranty questions, claims or otherwise should be directed toward the manufacturer, Dart.