Need an ignition interlock device near Swansea? Intoxalock is available at Xtreme Audio, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Xtreme Audio of Swansea offers custom car and truck installation. All technicians are MECP Certified and provide services in car audio, headlights, window tinting and detailing. In addition, they have been installing ignition interlock devices since 2011 for Intoxalock.