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Connects from inlet pipe pipe to the OEM sound tube location
Foster SC Stage 4 Kit works on both closed air box and open filter or aftermarket CAI systems
Sealed sound tube with special diaphragm cap installed behind pedal
remaining essentially unchanged
Foster SC mods will assist with install and developing the parts needed to complete an install on various makes and models of vehicle and superchargers not currently developed
MUSTANG GT 2010-2014 E-FORCE STAGE 2 OPEN FILTER INLET SOUND TUBE KIT 75% WHINE INCREASE SKU 120 GT Connects from inlet pipe pipeIncreases 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. No drilling through the firewall required, but opening the existing hole to 1 38 increases whine. Connects from inlet pipe through the OEM sound tube location. Sealed sound tube with special diaphragm cap installed on end of sound tube inside cabin. No Stock sound tube required.