When I initially installed the cold air intake system by Injen about 2 years ago, I noticed a sudden change in fuel economy. I didn't do any data collecting at the time, so I assumed it was due to the…
Fuel economy: Injen CAI versus OEM air box
I've recently removed my Injen cold air intake system (CAI) and noticed a drastic increase in fuel economy. Mind you, with the OEM air box back in, no more VTEC roar at 5.5k RPM or audible air suction sound. Matter…
