If wanting to correctly lower under bonnet temperature I can recommend the following exhaust manifold wrap from Thermal Velocity. I looked at ceramic coating and chose not too as it's easier to replace [if ever req'd] in situ', much lower cost and highly effective...Spongo wrote:Are they stainless or mild steel, mine are stainless and the reason I want to do it is to lower the under bonnet temperature.
Getting all the prices and decisions made ready for a winter rebuild to stop all those annoying leaks and noises
http://www.thermalvelocity.co.uk/Exhaus ... p-105-408/