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.
Steel silencer inserts with protective galvanized finish and coated with Hi-Grade glass fiber.Also suitable for Vance & Hines Shortshots and Sideshots exhausts
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
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
