Strange boost bodge

[Alex smith]

Back again..... so I removed my wing the other week to do some work, long story short I removed the wing and found a tennis ball taped onto a breather and I’m pretty sure there should be something else on the end of that pipe. Anyone have any idea what’s meant to be there?

[Steve Q]

That's not good! 

Please see the attached schematic which might help. 

Also I Know this is a popular upgrade: 

https://store.034motorsport.com/breather-hose-kit-aug-awm-amb-b5-b6-audi-a4-volkswagen-passat-1-8t-reinforced-silicone.html

Cheers

Steve