Lets clear this up for everyone. You are running an AEM cold air intake/DC header/dynomax muffler with custom made cat back piping (exhaust
) and you've run a best time of 16.20@83mph.
Assuming the Fit weighs 2471 pounds + 160 pounds for driver + another 50 for gas, fluids, etc = 2680 lbs.
inputting the weight and trap speed or ET here:
Horsepower Calculator
you get over 140hp at the crank, which means the 3 mods gave you over 30hp (assuming over 18% driveline loss).
There are of course other factors like weather, wind that can affect ET.
But to be optimistic, Honda underrated the HP value of the L15.