Thank you for the reply. I posted on reddit and people were saying either knock or timing chain. The timing chain sounded right cuz it rattles sometimes on deceleration if I hold the gas and was just starting to get concerned. Do you know timing chain symptoms cuz ik they do go on these cars...
Year/Make/Model: 2012 MS3
Mileage: 127k
Location: Burlington VT
Concern: rattling taping noise coming from engine bay area
DTC's: NA
Modifications: Don't know all the mods but I know it has a CS intake and I think Ultimate racing catback exhaust
ECU/Tuning Software: Cobb AP?
Tuner: Freektune
Is...