Whether responding to an accident scene or on patrol, the FXDP Dyna Defender™ reacts above and beyond the call of duty. Its reliable TwinCam 88&:174; engine and durable chassis are perfectly suited to the rigors of police work. The FXDP Dyna Defender™ has a nimble surefootedness that can negotiate freeways and back streets anywhere and has a classic law enforcement look that commands respect. Model shown with optional equipment. All siren, strobe box, and light systems may be ordered as optional emergency equipment through your authorized Harley-Davidson Dealer.