If so you have qualified as a certified automobile service engineer
"Most certainly" in my best Larry from three stooges voice.<g>
I put K&N filter on, opened up airbox lid, moved air temperature sensor away from engine heat, put insert on throttle body housing to improve air flow into throttle body and put shutoff valve on hose from radiator to throttle body.
Now fuel mileage computer says 3 mpg when I hit accelerator hard and 99 mpg when I let off gas pedal going downhill and does 50 mph at 1200 rpms. <g>