The do88 inlet hose for the 2000–2002 Audi RS4 Quattro 2.7L BiTurbo (B5) is a vehicle-specific intake hose supplied in blue and shaped for direct replacement of the factory inlet path. It matches original routing and fit for the B5 RS4, making it suitable when restoring or repairing the intake tract. Use this hose to maintain proper boost and airflow plumbing without altering the stock configuration.
do88 00-02 Audi RS4 Quattro 2.7L BiTurbo (B5) Inlet Hose - Blue