Easy installation, no damaging or modifying the interior. Allows wiring and tubes to be cleanly routed for a finished look. Can be painted to match your interior. Full Pillar Mount 3 Gauge 1999-2007 Chevy/GMC Truck Black. A clean, finished look! Banks pillar gauge pods provide a clean, finished look to your vehicle's interior. Mounts on A-pillar allowing wires and tubes to be cleanly routed for a finished look. Available in 1-, 2- or 3-gauge configuration. 2-gauge configuration with partial-pillar covers or 2- or 3-gauges with full-pillar cover for seamless, built-in appearance. Optional provision for factory speaker on some models. Gauges sold separately, or included with some Banks power systems.