difference between original and super 40 flows

[cadde300]

I know that the original ones were 4X9 and the supers are 5X10. Other than that what is the difference sound wise and power wise. I am curious to know?

 

[00GTblkvert]

The super flows are supposed to make a little more power cuz they flow better but ???????? I really don't think it would be worth the money to switch over but if you need mufflers then go for it.

 

[streetstang03]

do a search, there was a pretty big discussion about this about a month ago. the only real difference is that they are painted black and supposed to flow better