hey I am no professional but I know what you would want....
Well I don't think its worth tunning the Stock ECU without any significant modifications. Some basic modifications would be....
1. Exhaust
2. Cold Air Intake (let it breath better)
2.5 (IF YOU WANT NOT NECESSARY) Get a Piggy Back Engine management system, and get it tuned to produce the most Horsepower out of the intake and exhaust.
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__Next Level would be____NEED TO GET IT TUNED FOR THESE PARTS 3-7___
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3. Bigger FMIC Piping (hot pipe/cold pipe) and FMIC [Front mount inter-cooler] (keep things cool=more power and lower boost also longer life for cooler engine bay)
4. Turbo Timer [keeps oil running through turbo after car is off, cools/lubricates turbo and helps give more life to you turbo]
5. Electronic Boost Controller
6. B.O.V. [blow off valve]
7. Bigger Turbo if you want
8. Piggy Back/Re-flash/Sand-A-lone System ----(this is where you get your car professionally tuned a dyno to get the best horsepower/torque or wat every your goals are.) NOTE: Hey if your not going to be changing and moddifing a lot then go for a re-flash, if your going to be going through bunch of different things I would go for a stand-alone
_________________________Build your Internals_________________
This is where you will get your crazy hp but I dont think you will tune it for a drag car and if so then you should know what to do with this.
HOPEFULLY THIS REALLY HELPS.....this should be useful for any car
I know I didnt go over everything and there are many other factors and things i didnt cover but this should be helpful and HEY DON'T DO ECU MODS YOURSELF CUZ U CAN SERIOUSLY DAMAGE YOU ENGINE OR DESTROY IT BY RUNNING IT TOO LEAN OR SOMETHING LIKE DIFFERENT TIMING, well good luck with you car.