The Milltek Sport Active Sound Unit (ASU) is an advanced exhaust sound solution designed for vehicles that lack an engaging exhaust note from the factory. Engineered for compatibility with a wide range of applications—including hybrids, EVs, and diesel-powered models—the ASU generates an authentic, controllable exhaust tone. Featuring 8 selectable sound profiles with adjustable volume, pitch, and tone, the system is fully configurable via Milltek’s dedicated mobile app for iOS and Android. Ideal for drivers seeking a performance-inspired acoustic presence without modifying the original exhaust hardware. - Provides realistic, user-configurable exhaust sound for EVs, hybrids, and diesels - 11 selectable sound files with adjustable tone, pitch, and volume - Controlled via Milltek Sport mobile app (iOS and Android) - Supports custom user profiles for tailored acoustic experiences - Require Milltek Sport Rear Silencer Bypass - V2