Lol not to worry. I got mine from Funkypower for £46 delivered, Cool it Thermo tec. Remember EK9.org members gret free postage need to ring up for this though.
THERMO-TEC Cool-It Exhaust Insulating Wrap - FUNKY POWER
Check here for tips and advice, took me ages but was worth the hassle, definitely wet it!!! It is fiddly but you soon get the idea...
http://www.ek9.org/forum/air-intake-exhaust/20651-pics-heat-wrapped-4-2-1-method.html