Turbosmart Kompact Plumback full recirculating valve.
The stock recirculation valve often cannot flow enough to keep up Upgraded turbos and causes the dreaded P2261 code. This valve flows more air while retaining 100% of the recirculation while being more compact and fits better with the MDR turbos. The stock recirculation valve is made of cheaper material and often tears leaving you, wondering where all your boost went.