Silicone Vacuum Hose [ help ]

guy_si · Nov 23, 2008

hi i have seat leon 4 and i want to change all the vacuum tubes to a silicone .
i found this products - http://stores.ebay.co.uk/ZENARacing_W0QQfsubZ3544148QQtZkm
but i dont know what the mm i need ?
tnx

guy_si · Nov 24, 2008

its not a hard question

grim1987 · Nov 24, 2008

whe i cahnge my dump valve, it came with a 4mm vacuum hose i think. had to change i back as the ecu didnt like it... opps

DPJ · Nov 24, 2008

I use 5mm on most sections - and 8mm in a couple of places.

grim1987 · Nov 24, 2008

really? they must have sent me some cheap n nasty stuff then

LEE69 · Nov 24, 2008

guy_si · Nov 25, 2008

i can fit 4 mm or 5 mm ? no difference ?? you think 2 meter of 4mm and 2 meter of 8mm are enough ?