MUSTANG GT 2018-2020 E-FORCE STAGE 4 CLOSED AIRBOX SOUND TUBE KIT 75% WHINE INCREASE SKU EF655

$155.00

Increases the in-cabin rotor sound by up to 50% Foster SC Kit couples with part of the stock sound tubes – makes installation easy No drilling through the firewall Sealed sound tube with special diaphragm cap installed behind pedal. Pedal spacers provided – lifts pedal and improves heal to toe...


  • Increases the in-cabin rotor sound by up to 50%
  • Foster SC Kit couples with part of the stock sound tubes – makes installation easy
  • No drilling through the firewall
  • Sealed sound tube with special diaphragm cap installed behind pedal.
  • Pedal spacers provided – lifts pedal and improves heal to toe control
  • Connects from inlet MAF housing induction pipe through the OEM sound tube location.
  • You will need a portion of your stock sound tube for this installation