Hey guys I have an fg xr6 turbo ute with 4,000klm on the clock, so far I have a turbo back 3.5inch CES Exhaust, 60lb injectors, ss growler cai, herrod pipe kit and sct flash tuner car made 305rwkw what mods do you think I should be doing next any ideas would help.. also a question regarding the flash tuner can I go to another tuner or do I have to stay with the original tuner??