Direct replacement for the Harley-Davidson® lower fairing radiator grills or filler plates. With 48 ProGLOW™ color changing LEDs per side, utilize the most advanced LED color changing technology to Light Up Your Ride. Unit simply snaps in place with plug and play wiring for easy installation with open honey-comb grill to allow air to flow through. ProGLOW™ Bluetooth controller connects to the ProGLOW™ app through your personal IOS or Android device to customize and control your color changing lights. Unlimited color combinations can be selected using the color wheel or color-match technology with camera access while easy to use sliders let you fine-tune the brightness and speed of each movement. Can also be synced with music for a complete audiovisual experience. Optional Lower Fairing Blocker Plates part # 0521-1898 (sold separately) can be installed behind the honey-comb grill for a solid panel appearance.. Also compatible on '14-'23 Touring models with aftermarket Harley-Davidson® fairing lowers (57100257DH), Advanblack Rushmore Lower Vented Fairings and Saddle Tramp® Lower Fairing Speaker Assembly (Item# 2330-0248)..