There are plenty of CPU upgrades you can get that are supposed to improve performance. I'd be happy to sacrifice a little 0-60 time for improved economy. My MC gets about 34 mpg on the highway, which isn't bad, but a change in the computer that would increase this to 40 would be very welcome.

Think this is possible?

 

I want both

 

My mileage has improved since getting the Unichip and I still drive it like I stole it!