Mustang 5.0L Coyote 2011-2014 Long SystemIf your Coyote can use a serious bump in HP and torque and only the finest header systems will do, ARH has exactly what you need. Available with 1 3 4", 1 7 8" or 2" primaries, and your choice of our 3" X Pipe or 3" H Pipe (for a more classic musclecar sound). Product features on this system includes: 100% Made in the USA Never Outsourced Made entirely of 304 stainless steel 3 8" thick laser cut flanges for a warp free seal Hand ported TIG welded