THOR LEVEL 1 THOR is a basic electronic exhaust system kit featuring a powerful STORM speaker housed in a high-strength plastic spherical enclosure. It delivers the effect of a real exhaust without excessive aggression — deep, smooth sound that’s enjoyable every day. Gives the impression of a powerful engine under the hood. The system is perfectly suited for vehicles from 2005 onwards. Controlled via a mobile app. Included: STORM ECU