You honestly have no clue what you are talking about. The Hypertech tune does more then that. It also calibrates you air/fuel ratio and you also see an increase in boost pressure. So actually it does give gains over stock hp.
Well thank you for the discouragement and recommending. There is an option. If they don't like the option then they can kick rocks. I have been in this mazda gam for a long time (probably before you even drove a mazda). I have been a supermod of mx6.com and have countless feedback with 100% on...
If anyone is interested I will sell them to a member for $400. Overall condition is excellent. Wheels have no curb rash just a few paint chips. Pm me or you can text me at 832-768-8270. Make sure to lmk that your from this forum if you text me.-Justin