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Foster SC Stage 4 Kit works on both closed air box and open filter or aftermarket CAI systems
Connects from inlet induction pipe through the drilled firewall location
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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
Connects from inlet pipe through the OEM sound tube location
MUSTANG GT500 2010-2014 KENNE BELL STAGE 2 open filter inlet whine mod kit 75% WHINE INCREASE SKU 145 UNK Foster SC Stage 4 KitIncreases 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.
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