rough idle and accel.
Hey yall just wanted to see the outcome of this. I had heard about it before on other posts and have been experiencing the same issue with mine when im on 91 perf. I dont get it in stock or 87 perf. 06 fx4 5.4, 70xxx thanks in advance for the help!
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2.5 HBS Level Kit, Magnaflow SI/DO, PHP Gryphon, AEM BruteForce
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