Milltek Defender L663 Diesel Model - Active Sound Control

Upgrade your Land Rover Defender L663 Diesel Model with the Milltek Active Sound Control. Active Sound (ASU) from Milltek Sport is an innovative solution to enable a user controllable exhaust sound to be made on vehicles that traditionally lack the sound and tone that owners desire; suitable for a wide range of vehicles, the growing range includes Hybrid’s, EV and diesels. Including 11 selectable sound files, volume, pitch and tone adjustment with user configurable profiles all controlled via Milltek’s own iPhone or Android app.