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It looks like this product is just a resistor in a box that is going to cause a false lean which will save fuel but kill your power. Your computer will adjust and ignore that the chip is even there.
But NO! He specifically states that OTHER companies give you a resistor taped to a piece of paper or in a little black box...oh...this is a little black box...with two wires running in and out of it...to correct the fueling curve for 8 fuel injectors in a precise and effective manner...without even the ability to measure RPM...or engine load...
Nah, he says only his competitors do that ****.
on a serious note, how the HELL does he have 4100+ feedbacks that are 98% positive?