Did I get a good tune?!
I purchased my first ever Z about a month ago. It's a 2010 touring with the sport pkg (100% stock). since my purchase I've installed Stillen G3, invidia test pipes and CBA. I traveled 5+ hours to get my uprev tune. My first pull was the baseline with my bolt ons without the tune. It was 304hp. Here's where it gets confusing for me. After several more pulls and the uprev is complete..... My final number is 308? So I paid 750 license plus tune for 4 more hp? Can that be right?
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