The Stainless Works 3" downpipe for 2015–2020 Ford F-150 2.7L EcoBoost includes catted lead pipes and a Y-pipe to mate with the flanged factory connection point. Tubing is CNC mandrel-bent and made from 304 stainless steel for corrosion resistance; assemblies are TIG welded for strength. The kit is a direct-fit downpipe intended to integrate with the factory connection for 2.7L EcoBoost applications.
Stainless Works 2015-16 F150 2.7L Downpipe 3in High-Flow Cats Y-Pipe Factory Connection