Description TT225/VR6 MAF Housing This is the 2.75″ (69.85mm) I/D, 3″ O/D housing used on MK4 VR6 models and the TT225. Sensor is not included. Tuning is required for proper operation on 1.8T models. This housing may be used with the stock 1.8T sensor, the TT225 sensor, or the VR6 sensor. Ideal for K04 and mild to moderate big turbo projects. This is the housing only, the sensor is not included.
