This is going to sound like basic sh*t but...
I had similar symptoms as far as felt power loss, without any indication, my engine was bone dry of oil and now is being replaced with only 6,800 miles on it. It sounds dumb, but it could be an oil consumption issue.
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|Takeda long tube CAI|BC/Swift|PWJDM|Megan Racing CBE|Megan Racing Y-Pipe|H&R|Hankook|JDM rear fog|
Specialty Z EcuTek Tune|301whp|
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