I've noticed my exhaust getting louder ever since I started driving it harder after the 1200 mile break in period. Do factory mufflers "break in" over time?
Edit: side note, I've had the active sound disabled almost from day 1.
https://afepower.com/afe-power-56-70015d-takeda-momentum-cold-air-intake-system-w-pro-dry-s-filter
Looks like this is planned to come out in April, anyone have any experience with aFe intakes?