2017-2018 Raptor 3.5L EcoBoost® Automatic/Manual Trans. 2&4 Wheel Drive Extend Cab Short Bed Crew Cab Short Bed. This Mid-Section includes an X-pipe and S-Type mufflers for increased performance and our distinctive Borla sound. It fits with either the OE tailpipes or Borla tailpipes. Specification System Pipe Diameter 2.75 into muffler 3.0 out Notch N Vehicle(s) shown may vary from your specific model. Note Products are shipped un-polished unless otherwise indicated. Image shown may be a polished version. Tip style may vary.