Can anyone tell me the size diameter of the 2 pipes under the inlet manifold for the a3 1.8 turbo AUM engine 2001, 1 of the pipes looks as though it comes off of the valve where the t piece is for the crankcase breather

want to replace them as they are knackered but not took them off as its dark and wanted to get size pipe ordered tonight so be here with everything else, new inlet manifold gasket, new downpipe and decat 2.5" stainless steel, honda s2000 air filter and silicone reducer when it arrives, plus handbrake cables and new valve on t piece i mentioned above

Thanks Aaron