just want to ask about fuel saver. effective or not? how about the fuel consumption before and after installation? i'm also using v6tt right now.
thanks
every evo owner, i hv some question....nw my evo 7 planning to change ecu, 2nd hand hks f con v pro nowdays is hard to find, but now got fren offer me power fc with power fc with commander ljetro...so which 1 suggest?