EXHAUST SILENCER VAUXHALL ASTRA Mk IV G 1.7 DTI. VAUXHALL ASTRA Mk IV (G) Hatchback (T98) 1.7 DTI 16V (F08, F48) Diesel 75bhp Y 17 DT Hatchback 2000-02-> 2005-05. This table should be used as a guide only.