misfires

Hi, im new to car audio systems but want to learn, i was wondering if anyone knew what size amp for a single sub can be installed on these cars and not cause any issues with stock electrical components. i have a 2015 gt premium with the 200amp alt. but last time i added a 800W rms amp and sub...

Dear all, I bought recently a US version Mustang V8 2021, 10 speed automatic with approx 20k miles. I noticed during low rpm 1300/1500) and some load annoying engine stuttering. No DTC’s are visible, however using Forscan mode 6 indeed some random misfires are detected on basically all...