Quote:
Originally Posted by marknagy13
The shaking, I'm not sure about. I would have to feel it to know. The popping and backfiring is normal and will go away with a tune. I had headers on for a couple of weeks before my tune and it backfired like crazy. Totally normal because the car is running lean.
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Everything got fixed today, it ended up being Bad plug wires, Tuner Tom Wong was able to get new plug wires delivered in an hour and she put down 430HP and 424TQ with only long tubes and CAI