F-150 2010 & UP E-FORCE STAGE 4 Inlet path SOUND TUBE KIT 100% WHINE INCREASE SKU 185 UNK Connects from inlet MAF housing

Connects from inlet MAF housing induction pipe through the OEM sound tube location

Drilling through the firewall required

but also the leap into electronic typesetting

Sealed sound tube with special diaphragm cap installed on end of sound tube inside cabin

sometimes on purpose (injected humour and the like)

F-150 2010 & UP E-FORCE STAGE 4 Inlet path SOUND TUBE KIT 100% WHINE INCREASE SKU 185 UNK Connects from inlet MAF housingIncreases 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.