Here you go bellboy.
Exhaust Mod Thread
This was a pretty extensive thread and there were claims of better mileage as well as better FE, the best of both worlds. No, I won't go the route of telling you to put a bigger engine in it but I did have a Pinto that had a 302 in it once.

(V-8 versus the stock 4 cyl half its size for the uninformed)