I wrapped my header with fiberglass tape... I live in Las Vegas so heat is a issue.. if your in a cold state I would not worry.. but if your summer sees 100 degrees I would try to shield the heat...
Car #1 2007 Focus ZX3 SE - Blue 2.3L, Automatic, Toms Tune, OBX headers, FSWERKS Cold Air Intake and Exaust, Loaded
Car #2 2007 Focus ZX3 S - Silver 2.0L, Manual,TOTALED!!!! (Half Rebuilt)
Car#3 Mustang GT 2007 LOADED!