Fits 2015 2017 Mustang 5.0 GT 1 3 4 Tuned Length Shorty Headers Silver 18480 rocker arms and parts 25 Title Standard Grade Direct Fit Goodyear Alternate P N 25 Title Standard Grade Direct Fit Substrate Material Ceramic Air Tube Adaptable No Type Direct Fit Converter Quantity 1 Finish Stainless Steel Oxygen Sensor Location Pre and Post Converter Material Stainless Steel Inlet Attachment Bolt On Stainless CBK0011SS The BBK R&D department developed these headers with one thing in mind – Getting even more horsepower and torque out of the all new 2015 2017 Coyote powered 5 This all new BBK header design is constructed with 1 3 4” CNC Mandrel Bent tubing and solid 3 8” laser cut exhaust flanges to prevent heat distortion