The heat from the exhaust passes through the conduit 17 and into {HEAD ~ the intake manifold} 21 and through {TAIL ~ pipes} 24 within the tank 20 and from there through the outlet manifold to the tail pipe 18 
The heat from the exhaust passes through the conduit 17 and into { HEAD ~ the intake manifold } 21 and through { TAIL ~ pipes } 24 within the tank 20 and from there through the outlet manifold to the tail pipe 18
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH