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Drilling through the firewall is required
sometimes on purpose (injected humour and the like)
Connects from inlet MAF housing induction pipe through the drilled firewall location
Increases the in-cabin rotor sound by up to 50%
Connects from inlet pipe pipe to the OEM sound tube location
MUSTANG GT 2018-2023 ROUSH/TVS STAGE 4 Inlet path SOUND TUBE KIT 100% WHINE INCREASE SKU 875 M GT Drilling through the firewall isIncreases 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 MAF housing induction pipe through the drilled firewall location. No Stock sound tube required.
