Car: 2008 Type R FN2, NHB
Join Date: 2nd October 2014
Location: Bristol, UK
Thanked 222 Times in 196 Posts
General opinion based on my research was that it's definitely louder than stock, especially under load in VTEC. However during normal sub-VTEC use, it's not particularly loud. Not raspy, fairly bassy, sounds classy rather than chavvy, and it's OEM fitment so doesn't look out of place.
Note that all of this is on a standard manifold - an uprated mani will result in a much louder exhaust.
Additional plus point - it removes that stupid midpipe silencer from the OEM exhaust, which increases ground clearance quite a bit.