I have had both JWT and Enthalpy tunes in my car and i would suggest them to everyone...both have great customer service (email and phone) with fast responses...just make sure you let them know everything that is in your setup aka a mini build list (turbo, maf, injectors, pistons, compression, etc)
if you think they just tune off guessing your totally wrong...both have been in the business a very long time and know exactly what they are doing, plus you can datalog your car send them the info and they can send you a retune for your car personally
i would say nistune would be my answer if you wanted to tune your own car and be able to change your setup, but for the ease and simplicity i would go with JWT or Enthalpy
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