Product reviews for Flo-Pro 5" x 17" Twister Resonator/Muffler - Stainless

You can watch a couple videos on YouTube for the sound but this is the perfect addition to any diesel exhaust system. I have it on my 6.7 Cummins with a 5" TBE straight pipe and this kills the drone perfectly that I was getting in the 2000RPM range. Use it as a muffler (mounted close to exit) or as a resonator like I did (as close to downpipe as possible) to get the perfect exhaust note without the airy sound that most mufflers have. Flows just as good as having nothing there at all as its a straight through. Great product at a great price!