The fit and finish was perfect on the one i got. I tested all the pipes EXACTLY the same and to AMA standards. The n-motion 9 inch version pipe tested 114 and is ALOT louder then all the other pipes tested. The loudest pipe besides the N-motion 9 inch was at 107 db and yes from 107 to 114 is a HUGE difference. Not that it sounds bad, but it is very, very loud and i like loud pipes, but 114 was too much for me. I am also going to db test the n-motion quiet version this weekend. The quiet version looks very cool and has a carbon fiber end cap.