Hi guys.... can anyone on here direct me to someone who could fabricate a manifold for my Caterham hayabusa build.... preferably on my shores..Ireland?

Try these, ntdwm.

www.souhan.ie/exhausts/exhaust-manufacturing.html
Why come to Souhan's for your Exhaust ? We can make full or part replacement exhausts for all cars, bikes, trucks, imports, classics, sports, plant, agricultural ..

I've just made one for a Caterham hayabusa.I'm sure il have the program still on my bender. So I could make one the same.
Send me an email and il get some pictures over to you.
mail@mksportscars.com
thanks Danny