I have 6k in these quads and my 09 along with a few other vehicles. Just find a dark lot and lower them a little and no issues for me. No flashing and I drive around cops and never even get a second look. Plus they look great with the yellow hid fogs. Also re aimed those a bit.
2014 Black Express, 4.5" Maxtrac lift, Ballistic Razorback's 20x9, 35x12.5 Federal Cougaria MT's, DeeZee tailgate assist, K&N drop in filter, magnaflow 16" welded in, Diablo Trinity, 20% tint on the front and 5% on the rear glass, AVS Smoked Aeroskin, HID 3000k fogs, 6000k HID's in the projectors.