Your better off going to a local car audio/security shop. Like I said in previous post, you can have a pretty good alarm installed for around 250.00

Vinny 2000 T-RED CSVT MODS: 18" REV model 2 ST200 struts/Roush springs CTA intake Pipe/K&N Filter Dtec Heatshield Optimized TB True Duals w/ magnaflow mufflers/resonators