When used with an air intake pipe for {HEAD ~ an internal combustion engine}, the device allows more horsepower and {TAIL ~ mileage} to be extracted from the engine 
When used with an air intake pipe for { HEAD ~ an internal combustion engine } , the device allows more horsepower and { TAIL ~ mileage } to be extracted from the engine
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH