Reflection design and style mufflers, such as the Flowmaster Outlaw and Outlaw II styles, are mainly used in racing programs. The reflection design mufflers use particularly placed “rings” In the muffler that deliver the audio attenuation. It contains a perforated tube, close to which a sound absorbing the material like https://www.truckspares365.co.uk/hub/hgv-exhaust-silencers/