They reduce exhaust noise by approximately 5-6 dB. They can be installed on headers with the measurements shown, when mufflers cannot be installed on the mufflers. Also suitable for 1 3/4" diameter drag pipes. Made of extremely strong perforated steel. They can be partially covered with special fiberglass to further reduce noise.
Internal dimensions: Length 10 cm. Inlet diameter 4 cm. Internal diameter 2.8 cm.
Catalytic converter insert to reduce harmful engine exhaust emissions.Specifically, uncomposed hydrocarbons, carbon monoxide and nitrogen oxides are converted into carbon dioxide, water and nitrogen.
Electronic control via button: Easily control the sound of your motorcycle's exhaust with the electronic button.The 51mm valve has only 4 holes.Includes all necessary mounting hardware and requires no cutting, welding, or other fastening.
Steel Quiet baffle insert with DB Killer and catalytic converter to reduce engine noise and harmful exhaust emissions.They can be installed between the manifold and the exhaust tip.