how much louder would it be if I went from 80 series flowmaster to 2.5 dual setup with sweet thunders?

 

first off...you know there is a 5 line rule for the signatures?? cut it down will ya.

second, and 80 series is fairly quiet i think. i know the 40 is the loudest. not sure how the sweet thunders stack up.

but it will probably be slightly louder, but a bit more refined due to the true dual setup