CTS-V 2016-2017 WHIPPLE STAGE 4 Inlet path SOUND TUBE KIT 75% WHINE INCREASE SKU 312 UNK but opening the existing hole

but opening the existing hole to 1/38” increases whine

You will need a portion of your stock sound tube for this installation

Connects from closed air box through the OEM sound tube location

It has survived not only five centuries

but also the leap into electronic typesetting

CTS-V 2016-2017 WHIPPLE STAGE 4 Inlet path SOUND TUBE KIT 75% WHINE INCREASE SKU 312 UNK but opening the existing holeIncreases the in cabin rotor sound by up to 75% Sealed sound tube with special diaphragm cap installed on end of sound tube inside cabin. Connects from inlet MAF housing induction pipe through the firewall location. No Stock sound tube required.