Increases the in-cabin rotor sound by up to 75% Foster SC Stage 2 Kit works on both closed air box and open filter or aftermarket CAI systems. Drilling through the firewall required. Connects from inlet...
Increases the in-cabin rotor sound by up to 75% Foster SC Stage 2 Kit works on both closed air box and open filter or aftermarket CAI systems. Drilling through the firewall required. Connects from inlet...
Increases the in-cabin rotor sound by up to 75% Foster SC Stage 4 Kit works on both closed air box and open filter or aftermarket CAI systems. Drilling through the firewall required. Connects from inlet...
Increases the in-cabin rotor sound by up to 75% 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...