Sound Extreme specializes in Car Alarm and Remote Start Installation.. We sell only Directed DEI Car Security Products. We offer a Lifetime Warranty on all installation of Directed Products. We can Install your Car Alarm, Remote Start, Vehicle Security or Keyless entry System in any car truck or vehicle. We have the lowest price in Nashville, we are mobile, we can come directly to you to install your remote start or alarm anywhere in the Nashville area, including La Vergne, Smyrna, Antioch, Madison, Gallatin, Brentwood, Cool Springs, Mt Juliet, Lebanon, Rivergate, Hendersonville, Goodlettsville, and many surrounding areas in Middle Tennessee. We have Python, Avital Directed Brands and offer Lifetime warranty on all security and remote Start Products.