TWIN AIR Exhaust Plug Display 177711NN Heavy Duty Spring and Billet Pressure Plate which is a critical feature

which is a critical feature when using such a short system Uses the same internal construction as Cobra's short RPT system so you also enjoy the same premium sound Rolled tips give a brawny look that is matched by the sound Mufflers expand from 3" at the front to 3-1/2" at the rear

the entire system is designed not to turn blue for the life of the product so with a bit of care it will still look like new years later

Z Resin combines several resins with different characteristics and bonds to the many layers and materials of the shell more securely using less resin

Converts AC power into DC power

over stock setup

TWIN AIR Exhaust Plug Display 177711NN Heavy Duty Spring and Billet Pressure Plate which is a critical featureIncludes (5) 2 stroke and (6) 4 stroke muffler plugs