Review on Flowmaster 8524553 Super Muffler 409S by Kevin Gray

Installed on my 2018 Toyota Tundra 5.7L Double Cab. Great sound compared to the stock model, with a nice growl on start and a low rumble with a little rumble at highway speeds . Not ridiculously loud, but just enough to make it sound like a truck should. Easy installation with minimal manufacturing costs. It took the exhaust technician less than an hour to cut out the stock muffler and weld it in place. For $300 all said and done, I'm pretty satisfied. Sounds as good if not better than a TRD exhaust and three times the price.