Go Fast Bits performance parts that fit B5 (1995-2001) 1.8t
All 8D5, B5 132kw Petrol Engine FWD Wagon 05/99-09/01 models

Deceptor pro II- inside car adjustable adjustable bias venting diverter valve
When installing a GFB valve, it must be installed in the OPPOSITE orientation to the factory plastic Bosch valve - i.e. air must enter the GFB valve at the bottom, and dump through the sides.