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strange intake hoses, what are they for ?

Dec 31, 2022
2
0
good evening
on my 1.5 tsi version, there are these 2 hoses.
what are they for ?
are they related to the vapor oil recirculation, or they're something usefull foe pressure control (like a blowoff) ?
i'm interested because i want to exclude the pcv system (by installing a catch can)
if these hoses are related to de oil vapor recirculation, can i remove them ?
i've tried to find answer but with no results
many thanks
 

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