Yes, give it some time, the sound will improve. Be careful about wiping anything off of your paint! The exhaust will shed fiberglass for a while. Wiping it off dry will cause scratches I used a hose to wash it a way.
__________________
______________________________________________
2001 Boxster S Lapis Blue
TS Cat Bypass Pipes and exhaust
iPad Mini Dash Install
DEPO Tail Lights