I personally like astrostart systems, I have had good luck with viper systems as well. They are not the most fun to install, I wouldn't recommend it if your not good at wiring, or working on cars
: Shorty antenna, tinted windows, painted bowtie, painted dash trim, red SS emblems, 18" TSW Nagaro wheels.
Pioneer DEH-P400dvd double din, Two 12" kicker comps powered by kicker ZX 300.1
AEM Intake, GMPP Catback, OTTP Stage 2 Mounts