Foster SC Mods Stage 4 Sound Tube Kit for 2020-Up Mustang Shelby GT500 | 501

Bring more supercharger sound into the cabin with the Foster SC Mods Stage 4 Sound Tube Kit for 2020-Up Mustang Shelby GT500. This listing is for a sound tube accessory kit, not a supercharger system.

• Increases 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 induction pipe through the drilled firewall location.
• No Stock sound tube required.

Select your supercharger type and provide your vehicle year, make, and model when ordering. Installation must be adapted to your setup as needed; the selection records your setup and does not guarantee direct-fit installation.