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I was given this JET V-Force/PCU for Christmas for my 06 350z. Installing looks like it's going to be a pain, but my question is, is this thing really going to tune my car and increase hp and mpg and everything else it says it does?
I'm going to have a professional install just to make sure I don't f*** it up so I"m sure it will done correctly. I'm just wondering is it really worth it.