I dont think it will be quite free....

 

depends on weather you mind having to mix oil in your fuel. The only one i know that will controll the oil injectors is the apexi fc but not easy to find they stopped making them you can get one from japan fron ebay. There are many others but if its a daily driver i wouldn't want to be premixing fuel.
Ihave a re amemiya one that is a **** lot better than standard and you just plug it in. gets rid of fuel cut your turbo will boost better (higher psi) timeing and fueling are all better. can get them from ebay for about $200.
It will not pass smog test. so keep your standard one.
unless your planning on spending alot best option and no programming.

 

watch your diff mount man... 5000 rpm launches are risky on the stock one.