most of the cars are running slightly rich, this is to protect the engine itself.when the weather temp etc changed...the stock ecu still can compensate to the changes..
installing fuel map controller to the stock engine may saves you in the fuel consumption, but for engine protection wise. it may reduces.
ic , because ask b4 at tom's malaysia he say no need dyno tuned ......
who are want to install this can help ask to comfirm than let's us know here
thanks
Here is my Dyno result. Still trying to figure out the issue. So far it's most likely exhaust. I have stock except RPS tip and need to remove cat still :(
Evo 8MR turbo 10.5
565 sti injectors
timing has...