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Turn off traction control and mash it. If the tires dont spin you are way down on power.
No the heat doesn’t help but we are at sea level. Mine lights em up from a dig with full nannies on.
Get an OBDII reader on it and look for BadThings(TM): high IAT, knock retard/timing pulls, extra rich, etc... Check coils and plugs. Change your fuel. Fuel economy drop off?
Put it back to stock and make sure you don’t have oil in the MAF sensor from that K&N, or an air leak in the SC lid gasket. IIRC you’re supposed to replace the SC lid gasket if you open it. And now that I said this you’ll see three pages of “I’ve had mine open ten times and it’s fine.”
Finally, check it on a dyno and have a tuner look at it. Then if all else fails, take it to a dealer.
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