4M0 254 850 RX · EXH.PIPE Audi genuine (OEM) part number 4M0 254 850 RX, EXH.PIPE. Fitted on (3)EXH.PIPE — pos 2 (KAT429.BIN)EXH.PIPE — pos 2 (KAT595.BIN)EXH.PIPE — pos 2 (KAT859.BIN) Open the interactive exploded diagram →