The Stainless Works 3.5" catback with Turbo S-tube muffler for 2015–2020 Ford F-150 2.7L and 3.5L EcoBoost (up to 156.5" wheelbase) uses CNC mandrel-bent 304 stainless tubing and a polished tip. It fits to the flanged factory connection point and is TIG welded for durability. These USA-made kits include a lifetime warranty and are built for direct-fit installation.
Stainless Works 2015-16 Ford F-150 2.7L/3.5L 3.5in Catback S-Tube Muffler Factory Connection