I like the sound of a chambered muff, running Flow Super 44s with Pypes O/R H, like the sound except for mid range acceleration. I thinking about trying the MAC muffs to see if I like better? Is there anyplace besides MAC that sells just the FlowPath Muffs?I've had the MAC durablack coated catback with their flowpath mufflers for many years, it still looks new. I've you like a chambered muffler sound their great, a little deeper than the Flowmaster. I have their off road H pipe as well. I have some video dyno clips but there on a laptop I haven't used for a long time.