Used Cobb access port V1's are out there for cheep. I got mine going on 2 years ago for $450... and i have seen them go for as cheep as $375. if you look on there web page they have a power map for most every stage of tuning from a stock car up to maps for a VF39 with sti injectors and a STI TMIC that will put you up past 300+ HP to the wheels. there is also Street tuner available for the cobb V1 that gives you the ability to tweek there maps for your car. don't quote me on this but i think you can send any V1 access port to Cobb and they will put street tuner on it for free.