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PCV Dampener?

Royalion

Ready to race!
Location
SoCal
My wife’s Q3 has this (Dampener) in the PCV line, any idea it’s function?

270144F6-F8DC-44B4-AD1C-20C85A97AE67.jpeg
 

jimlloyd40

Autocross Champion
Location
Phoenix
Car(s)
2018 SE DSG
Did you look up the part number to find out it's called a dampener?
 

Keehs360

Autocross Champion
Location
Denver
Car(s)
Mk7.5
Subscribed due to curiosity. I dunno what they do tbh but I’ve heard they can blow under boost
 
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