the only tuning you can do to a car with a stock ecu is changing the base timing..................
that and the radio.
Unless of course your talking about a piggyback or flash tune of the stock ecu?
more than welcome to buy these if anyone would like.
Heaps of people call, sms & PM me but then when it comes to picking them up they go all weaksauce.
harden up and buy them!
There is a few threads around that discuss this.
A R34 GTT cooler would see 200-210kw no problems.
Saves getting a Front mount and bolts up to existing pipework
Take it up with the NSW Government and the RTA if you have an issue with the rules.
or better yet, sack your gf and go out with her sister till she gets her P's then go back to your ex.
WIN - WIN