Due to the fast traveling air coming out of the outlet 56, {HEAD ~ the overall velocity} of the air that is fed to {TAIL ~ the gas directing manifold} 32 is faster than if there were no air horn 50 
Due to the fast traveling air coming out of the outlet 56 , { HEAD ~ the overall velocity } of the air that is fed to { TAIL ~ the gas directing manifold } 32 is faster than if there were no air horn 50
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH