The cylinder 8 issue was pretty much an '11 only thing, and that was simply the aftermarket tuners learning the ins and outs of the new computer system. I've ran VMP, Bama, Gearheads, HPP and back to Gearheads tunes in my car since day two of ownership. I'm now at 48,000 miles, 22,000 of which have been running the Kenne Bell and show no signs of issues (other than a slightly damaged transmission! LOL!).
Do you have any reason to think you have hurt your car? Is it running badly, missing, down on power in any way?
Cylinder 8 meltdowns don't happen to cars that don't get beat on fairly regularly.
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