What's up guys, does any one here have a performance chip in their vehicle? Is it worth it? Does it really add some HP and help with more fuel economy? I have an 09 G37 sedan journey. Appreciate any feed back.
I've not heard of anyone putting a "performance chip" in their G37. Usually owners will have the ECU remapped by a reputable tuner. Uprev software is very popular for reliable tuning depending on the mods you have on your car. You'll have to find a shop that is a licensed dealer.