Nah, they are more just for looks. 3 Sick Speed thermal socks from Ebay. I got a gray color to match my intake piping.

http://www.ebay.com/itm/GREY-THERMAL...267d8c&vxp=mtr

I haven't been monitoring my IAT up until just now so....???? They can't hurt right?

What is a typical IAT i should expect with single NW in relation to Ambient temp?