[ghackett1]

Originally Posted by 72SB

Yeah, they are the classic loud muscle car muffler. To give an idea of how loud compared to their other offerings...

https://www.holley.com/brands/flowma...flowfx_series/

I have the flow master Delta 50’s. I got them because they are supposed to decrease drone inside the cab. But I cannot compare them to another system because that’s what I used from the beginning. I like them.