Stainless Works 2011-14 F-150 3.5L 3-1/2in Catback Chambered Muffler Factory Connection - FTECOCB Side Skirts the controller may need to

the controller may need to have it's polarity switched

Customize Your Systems Sound

get clogged up

improving vehicle launches

and secure

Stainless Works 2011-14 F-150 3.5L 3-1/2in Catback Chambered Muffler Factory Connection - FTECOCB Side Skirts the controller may need to2011 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 Chambered 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.