{HEAD ~ The oxidation catalytic converter} is arranged upstream of the exhaust gas particulate filter in {TAIL ~ the exhaust passage} 
{ HEAD ~ The oxidation catalytic converter } is arranged upstream of the exhaust gas particulate filter in { TAIL ~ the exhaust passage }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL