I'm sure it makes the car feel better.

But as an EE that used to work for a car company, I have to agree with Brian and Hands. It is nothing more than an amplifier, linear or 30% to 70% nonlinear. It has $20 worth of parts, maybe $25 for the described nonlinear function. Chrysler could have programmed the ECU to do the same thing without the amp.

I like to think that I have programmed my foot to do the same thing.

By the way, how many times have you posted on the SB? This is about my fifth time against, just because of the cost.