The MK8 PCV has been improved compared to its MK7 versions and a lot of people are getting good results with it. More information is available on datadrivenmqb.com
If your current PCV is working without issue I suggest you stick with it. This is for those who are still having issues with their current PCV or are replacing this as a wear and tear item.
Kit contains:
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MK8 PCV
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MK8 PCV "Tiguan" breather hose
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Bung
Note: You need to buy separately a 3/8th diameter cap still from an auto parts store to complete the install