2020 & UP GT500 STAGE 4 WHINE MOD KIT 100% WHINE INCREASE SKU 501 disclaimer Foster SC Stage 2 Kit

Foster SC Stage 2 Kit works on both closed air box and open filter or aftermarket CAI systems

Increases the in-cabin rotor sound by up to 25%

Connects from inlet induction pipe through the drilled firewall location

sometimes by accident

2020 & UP GT500 STAGE 4 WHINE MOD KIT 100% WHINE INCREASE SKU 501 disclaimer Foster SC Stage 2 KitIncreases 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 induction pipe through the drilled firewall location. No Stock sound tube required.