performance chip for car?

[FRPLG]

Originally Posted by saden1

lol...increase MPG up to 30%!!! I wonder why Ford doesn't pre-install these chips in their car. Sounds scammy and a first class ticket to fucking up your car. Stay away.

My thoughts exactly. If it were so easy to get better mileage I think it'd be already in the car. I am logically confused how it both increases horsepower and mileage. Those two generally work against each other.