darren g, with experience with open air elements, you're gonna have heat soak and anything to block the heat would be worth it. or even better relocate the filter to behind the bumper (why hasn't any duratec'er done this?).
98.5 SVT
91 Escort GT (almost sold)
96 ATX Zetec (i brake to watch you swerve)
FS: SVT rear sway bar
WTB: Very cheap beater
CEG Dragon Run - October 13-15