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.
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 inserts to reduce harmful engine exhaust emissions.Specifically, uncomposed hydrocarbons, carbon monoxide and nitrogen oxides are converted into carbon dioxide, water and nitrogen.
DB Killer silencers in galvanized steel resistant to very high temperatures.Fits MCJ Big Short 90 and Race 90 Slip-on exhaustsAllows a 50% reduction in exhaust noise
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
