well, i just got back from a 400 mi trip; at 3,000ft altitude i notice a SLIGHT increase in power.
down around 1,500ft altitude it's more like 5hp. i can DEFINETLY feel it.
mileage is the same, but it is WAYYYYY louder
i am using 2" exhaust. i was thinking about packing some steel wool into the tail pipes......
i am running a stock starlet 4k-e system, so a big cam is OUT. i would like to know how to convert it to a map sensor system......any help?