Ok, Viper is made by DEI. One of the best in the alarm industry. Period.
When a viper is installed by a certified installer, you get a lifetime warranty on the brain and relay satellite. A good shop/company should give you a lifetime warranty on the install free of charge.
DO NOT BUY AN ALARM FROM EBAY! YOU WILL HAVE NO WARRANTY AT ALL.
On top of the remote starter, you need a 556UW that will require a key to be hidden in the car to make the unit operate. You can also use an XK02 that will require a key to program but not to operate. The XK02 should be about $70 and the 556UW is about $53.
I work for Best Buy and we provide a lifetime warranty on the install free of charge. We'll charge 29.99 to install the bypass, either the 556UW or the XK02 are the same 29.99 install. When we install it, that gives you the lifetime warranty from Viper on the brain and relay satellite.