I used the product on my mustang and have followed along with the development. When i got a chance to do an install on my new 438 twin turbo i jumped at it and was extremly impressed. 11 psi and 750 hp. Virtually no tuning. I do not work for them (anymore!!)haha, but still believe in the product and would stand behind it. Most EFI works well when you know its ins and outs but this is a great system and I believe most can handle the install without profrssional help
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