Help with size/angles of intercooler hose.

Apr 7, 2022
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My car SEAT LEON MK1 CUPRA R (Twin side intercoolers)

Im trying too build my own FMIC With pipework etc. I need help with what angles/size of the pipwork i need for my FMIC, I already have the intercooler.. just need too know what hoses/aluminium connector pipes/Jubblee clips i need. I've labled each pipework, so i would be grateful if someone would reply the sizes/angles that corresponds with with numbers in the diagram. Also do i need any upper pipework nearer too the engine or could i just add these too my existing pipwork?

MY FMIC = 2.5INCH holes each side.
 
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