Subaru sti is the most tuned car on this planet - avaiable in the UK for six to seven years (2L) and US for the last two years (2.5L).
There are more than just a few tuners in the US using various tools and they all get pretty impressive results. It would be nice to know how you have arrived on this particular route. A good introduction to your specific car would set the scene for the discussions to follow. It will be particularly interesting for me because water injection is being considered.
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Richard L
aquamist technical support
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