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
High quality steel silencer inserts with DB Killer function and catalyst for the reduction of harmful exhaust gas emissions.They allow you to obtain a darker and more open sound while respecting the environment
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.
Steel silencer inserts with protective galvanized finish and coated with Hi-Grade glass fiber.Also suitable for Vance & Hines Shortshots and Sideshots exhausts
