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For twice what you payed I can alter my shiftpoints, tweak my fuel curves, adjust my timing at different RPMs, adjust spark controlling (yes with a factory ignition setup), change fuel pressure and see everything going on with my engine. Plus, shut off check engine lights and gain more fuel mileage than 1 mpg. And no, I'm not talking about a chip.
Ill pass on all of that. Way above and beyond what I need. I save that kind of tuning for the cars and not the truck. For $500 bucks id rather put nitrous on and have the power when I need it and let my truck run normal when I dont (no need to start the "wont work bc your not MAF argument bc...it works.) Im a big fan of keeping things pretty stock so that I dont have to worry about the daily drive-ability.