the sound is good not loud in the car or boomy on the m-way, unlike a
pro speed i had a couple of years ago it was on the car for all of 2 weeks had to come off or else i would have been deaf lol
as for fitting i did it, i did it on my own and it's was a bit fiddly but it is the best fitting exhaust i have ever had, just hung on all the hangers and never needed adjusting, it sat purfect