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The Stainless Works 3.5" catback for 2011–2014 Ford F-150 EcoBoost 3.5L (up to 156.5" wheelbase) is a direct-fit exhaust that ties into the forward factory connection and uses an S-tube turbo muffler for a tuned sound. Made from 304 stainless steel with CNC mandrel bends and TIG welds for optimal flow and corrosion resistance. Proudly made in the USA with a lifetime warranty.
Stainless Works 2011-14 F-150 3.5L 3-1/2in Catback S-Tube Muffler Factory Connection
