Tim Lally .'s new police demo is the 2023 Chevrolet Silverado Z71 PPV (Police Pursuit Vehicle) equipped with the LOUD BOOMING Rumbler Low Frequency Siren, Setina Push Bar, Setina Single Prisoner Partition, Jotto Desk Duty Gear Saver Center Console, Setina Storage, AnyGlide Truck Bed Storage, Customizable LED's and more! Tim Lally Chevrolet's . Division keeps at least on least one police demo on hand to help departments evaluate the fit of our pursuit rated vehicles with their operations. The demo units also aid smaller departments for whom a police vehicle in for warranty service creates a hardship. This year our demo features Federal Signal's Rumbler Low Frequency Siren. The Rumbler introduces a revolutionary new concept to audible warning through its ability to interact with most 100/200 W siren amplifiers and provide secondary, low-frequency duplicate tones. Low-frequency tones have the distinct advantage of penetrating solid materials allowing vehicle opera
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