Just got Agency Power catback installed. Stock downpipes and no other mods but a tune by BPMSport on Stage 1 with extra burbles.
Car is significantly louder than stock, and is a bit louder than normal due to having burbles added via the tune. This should be similar to what a ZCP and above would sound like with this exhaust.
Still breaking in the exhaust as I've only put maybe 100 miles on it at the time of making the video.
Does drone a little bit even in Efficient (valves closed). Highway cruising has a slight hum, but not too bad. I'd rate my annoyance at the drone at a 3/10. Car isn't really my daily driver, so I'll just deal with it.
The crackles and pops with this exhaust are very loud under deceleration.
Short Clip:
Remus Catback (also BPMSport Stage 1 w/ burbles) for reference: