>>4636513If you are a p plater any modifications that increase the engines performance is illegal. Check with your states registration body.
However if you want something decent;
Shorten your intake and move your battery to the boot or buy a dry cell with a pod filter
4-2-1 extractors
Whatever exhaust you can get your hands on cheap
Advance the timing
That'll get you close to 100kw atw.
SAFC Neo / SAFC 2 / Whatever Daughterboard
RB20 AFM