SoundOff Signal nFORCE® Exterior Full Size Lightbar Mounting Topper Vehicle must have the K9-A-201 Housing:Black W/Chrome Rear Cover fits_1999`Chevrolet`C1500`LS~1988-1992`Chevrolet`C1500`Scottsdale~1988-1998`Chevrolet`C1500`Silverado~1990-1998`Chevrolet`C1500`WT~1992-1999`Chevrolet`C1500 Suburban`Base~1995-1999`Chevrolet`C1500 Suburban`LS~1995-1997`Chevrolet`C1500 Suburban`LT PUTCO Chevrolet Silverado Ext WET431255SK

SoundOff Signal nFORCE® Exterior Full Size Lightbar Mounting Topper Vehicle must have the K9 A 201 Housing:Black W Chrome Rear Cover fits_1999`Chevrolet`C1500`LS~1988 1992`Chevrolet`C1500`Scottsdale~1988 1998`Chevrolet`C1500`Silverado~1990 1998`Chevrolet`C1500`WT~1992 1999`Chevrolet`C1500 Suburban`Base~1995 1999`Chevrolet`C1500 Suburban`LS~1995 1997`Chevrolet`C1500 Suburban`LT PUTCO Chevrolet Silverado Ext WET431255SK Vehicle must have the K9 A 201 or K9 A 203 system This new remote siren introduces the new QuickClone �� duplication technology making it easy to transfer option settings from one unit to another without the need for an external computer