Originally Posted by M.J.

I have a Gen3 sitting on the floor in my living room. I couldn't pass up the price offered during the Black Friday weekend sale by Stillen. You lost a huge amount of fuel mileage in your conversion. Mine didn't show a drop like that at all. A >25% increase in fuel consumption is huge. It didn't seem to make any extra power but I didn't feel a loss in mine either. But it does sound nice.