Generally speaking, gas/fuel consumption won't change, unless you use the extra power output on a consistent basis. To put things into perspective, if you tend to placidly drive your car on a consistent basis then you shouldn't really notice a change in f

Generally speaking, gas/fuel consumption won't change, unless you use the extra power output on a consistent basis. To put things into perspective, if you tend to placidly drive your car on a consistent basis then you shouldn't really notice a change in fuel consumption. If you tend to dive your car aggressively on a consistent basis on the other hand, fuel consumption will increase as you're making greater use of your new found power increase