Stainless Works 15-18 F-150 3.5L Downpipe 3" High-Flow Cats Y-Pipe Factory Connection

2015-18 F150 3.5L Ecoboost Downpipe. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. 3" downpipe with catted lead pipes. Includes Y-pipe to fit to flanged factory connection point. These are TIG welded for strength and durability. These kits come with a lifetime warranty and proudly made in the USA.