need input

Has anyone else experienced a problem where the vehicle does not return to a normal idle while rolling out of gear? Just in the last few days, when I push in the clutch (Like slowing to a stop) and/or take the car out of gear, instead of returning to the normal ~700rpm, the engine stays at...

Ok my best guess which I’m pretty sure it’s my issue is that my 2018 Honda Civic Sport the computer is finally realizing that I got aftermarket exhaust, air intake and BOV and it started doing weird things as I drive the car. I’ve been having these parts for more than a year now and no problems...