My ‘13 is running the 87 performance tune from Superchips. My butt dyno says it’s ok but what I noticed the most is the lack of lag time from a dead stop to acceleration.
A couple times a year, SC used to offer big discounts on their tuners. I’m not sure if they are still doing that and, if so, when the next one will be. I took advantage of that and saved a bit.
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Overall "build thread"
http://wayalife.com/showthread.php?26097-I-guess-it-s-the-quot-Super-Stocker-quot-build
DIY trail/tube door build
http://wayalife.com/showthread.php?24449-My-DIY-Doors