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Connects from inlet pipe pipe to the OEM sound tube location
Drilling through the firewall is required
Foster SC Kit couples with part of the stock sound tubes – makes installation easy
No drilling through the firewall
Increases the in-cabin rotor sound by up to 25%
MUSTANG GT 2005-2009 SALEEN DS STAGE 4 open filter inlet SOUND TUBE KIT 75% WHINE INCREASE SKU 235 UNK Connects from inlet pipe pipeIncreases 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 pipe through the OEM sound tube location. Sealed sound tube with special diaphragm cap installed on end of sound tube inside cabin. For drivers side supercharger inlets setups.