THOR LEVEL 2 THOR PRO is an advanced kit featuring a powerful THUNDER speaker in a titanium-steel spherical enclosure. The sound is richer, with deep bass that emphasizes engine power, clean and even mids, and natural highs — creating the effect of a premium exhaust at any speed. The system is suitable for vehicles from 2005 onwards. Controlled via a mobile app. Included: THUNDER 2.0 ECU UPGRADE PRO