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If that is the case then why are we able to go to a experienced tuner that can do the same thing. They are able to access the cars computer and fine tune it to produce more HP fuel economy reduce throttle lag. They fine tune these parameters to you. The OBD tuners all have the parameters set so they may or may not be what you want so when the offer to try it and return it for full refund with in thirty days what's the harm? Your basically saying it doesn't work I have nothing to gain from this post and I can say it does work.

I honestly wanted to dyno tune my car until the $$ came into play. Unfortunately I am a single dad so money is usually a bit tight. I'm not real savvy when it comes to computers and how they change all the parameters. I do know they explained to me that this OBD tuner does communicate with the ecm and over a period of miles does change certain parameters with in to achieve more power better throttle response and so on. I'm not here to try and convince anyone that this chip is some miracle worker. I simply wanted to let everyone know I was having good results with this chip. I fully stated that it won't give your car neck snapping power but if you want a little more for a better driving experience it might be a option.

I don't get it. Lots of replies by people who have no experience with the topic, only speculation. GF guarantees their chips and the performance improvement. They are guaranteed to NOT affect the warranty. If you don't like it for any reason they offer a 100% refund. What the heck is there to lose?