Originally Posted by Dib12SE
I don't have a Steeda ...yet, but Having an intake helped me better gauge how much the engine was working, If I drove around like a grandma and made sure that I couldn't hear the engine working, then I would get fantastic MPG's. It's quite surprising how little throttle is required to make noise.
So true! I was driving past another stock focus the other day and barely touched the gas, only to be greeted by a loud throaty sound. And then I sped away