In very solid steel. They allow a reduction in exhaust noise of approximately 10 dB effective. Covered with sound-absorbing material. Fits OEM Cobra 6030, 6031, 6032, 6055, 6057, 6058, 6080 and 6081. Made in the USA by Cobra. Price per single piece.
These steel db-killers allow the sound to be adjusted by rotating the internal body.Closing and opening of the holes with variable pitch and fixing with 2 screws
Manual control via a multi-level selector: easily control your motorcycle's exhaust sound using the adjustable lever.The 51mm valve has only 4 holes.Includes all necessary mounting hardware and requires no cutting, welding, or other fastening.
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.
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.
