From Bomber on XRtwo.com:

Proven Products: CoolTek Exhaust Wrap

I ordered some of this stuff last week from http://www.proven-products.co.uk - and it is amazingly good value! 30metres (by 50mm wide) was £39.99 plus 6 quid postage! I managed to do:

Wiring loom that runs the whole length of my front crossmember, Turbo downpipe, top rad to thermostat housing hose, bottom rad to water pump hose, chargecooler hoses, charge carrier pipe (part that is directly over turbo), heater matrix to thermostat hose and my exhaust! I also still have 10metres of the stuff left!

Go get some it is awesome quality and price!

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Guess what I'm getting next...