A few words about the CarBone Active Bypass Muffler.
First and foremost, this product has been 100% designed and manufactured by CarBone; it's not just branding. The development process took an incredible amount of time and dedication. It has undergone countless modifications to approach perfection. It is durable and weather-resistant, made from high-quality 304 stainless steel.
Below is a link to a YouTube video where they tested it for noise performance.
https://youtu.be/MvnbnSoKlMc