sub'd for info

 

I love my GMPP Performance on my SC. I'd say the Touring GMPP is your best bet though. (Should be one of the quietest)

 

I love my GMPP Performance Exhaust on my SS/SC as well. It's not crazy loud, def a nice sound though!

 

pacesetter > stock downpipe > 3 inch mandrelexhaustsystems.com borla catback.
Amazing sound and performance but god awfully loud.
Then we went catless. even louder. so we threw a patriot auger from jegs in there and it helped a little