Man this stock paper filter has my egt's up and performance down. You can really feel a difference.

Didn't think there was much expected improvements from a paper to foam filter change. Bet something else is awry.

Problem child,


You got problems. I pulled my K&N and put back the original AC that had 3400 miles on it. My seat of the pants dyno told me my truck ran exactly the same and a tiny tiny bit better right after it downshifted and started to accelerate after flooring it?