Many manufacturers are now offering additional components to include smartphone integration, but even at a basic level, these systems are growing more and more user-friendly by the day. We would still advise having these alarms installed by a professional rather than attempting an at-home installation, but for whichever path you choose, here are our top picks for aftermarket alarms for your car or truck. If theft and vandalism are the biggest point of concern, sometimes a siren just isn't enough. This 360-degree video system monitors your car inside and out, ensuring that anything and everything that happens to your vehicle is safely recorded.

Many manufacturers are now offering additional components to include smartphone integration, but even at a basic level, these systems are growing more and more user-friendly by the day. We would still advise having these alarms installed by a professional rather than attempting an at-home installation, but for whichever path you choose, here are our top picks for aftermarket alarms for your car or truck. If theft and vandalism are the biggest point of concern, sometimes a siren just isn't enough. This 360-degree video system monitors your car inside and out, ensuring that anything and everything that happens to your vehicle is safely recorded.