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 S-Tube 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.