Hah! I love these things. It's just a resistor (NOT A CHIP) that makes the injectors throw more fuel in.
What I really love is the "more fuel = more power with slight mpg loss" s***!!!!!!!!!
Wow, so more fuel = more power........riiiiight.
God, ******* idiots...The guys selling the product, not folks asking the question. That's exactly why we have this board. Always feel free to ask.