aFe Power Gas Cat-Back Exhaust System for Ford F-150 EcoBoost 2021

3 IN 304 Stainless steel Construction: This cat-back exhaust system is constructed of 3 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability.Dual 4-1/2 IN Diameter Polished Exhaust Tips: Finishing off this exhaust system are dual 4-1/2 IN diameter polished 304 stainless steel clamp-on exhaust tips. The tips features an aFe POWER logo plate riveted on for a unique style.Installation: Utilizing a factory style flange and hangers this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation.Exhaust Valves: This kit includes key fob remotes, control module, valve motor, and all necessary wiring. It's a simple installation, requiring no cutting of any wires or interference of the automobile's electronics.Sound on Demand: This system features an electronically controlled exhaust cutout valve to quickly switch between exhaust tones at the push of a button.Computer-Aided Design: Utilizing state-of-the-art computer-aided design technology, this exhaust system is designed for custom, high tolerance factory fitment.MIG-Welded: 100% MIG-Welded for race-proven strength and durability.Fitment Note: Crew Cab / Short Bed-145 IN Wheelbase Crew Cab/ Long Bed-156. 8 IN Wheelbase Extended Cab / Short Bed-145 IN Wheelbase Extended Cab / Long Bed-163. 7 IN WheelbaseEmissions Disclaimer: This product does not require a CARB EO#.aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.