Increases the in-cabin rotor sound by up to 50% Foster SC Kit couples with part of the stock sound tubes – makes installation easy No drilling through the firewall Sealed sound tube with special diaphragm...
Increases the in-cabin rotor sound by up to 100% Drilling through the firewall required (bit provided) Sealed sound tube with special diaphragm cap installed on end of sound tube inside cabin. Connects from inlet MAF...