ill throw my 2c in here too i guess,

about 6 months ago i bought this set for my '13 jk:



New Brights LED Headlight Conversion Kit - All Bulb Sizes - 80W 6400LM Cree LED - Replaces Halogen & HID Bulbs - H13 (9008) Dual-beam LED
http://amzn.com/B00MOR4D5U

i didnt get it at amazon, i found the exact same one on ebay for like 90$

there was a definite flicker, which someone in the reviews with a similar setup said there would be, and he recommended this anti-flicker harness which i then bought for 40$:


New Brights LED Headlight Plug & Play Computer Warning Canceller & Anti Flicker Device (1 Pair) - All Sizes Available
http://amzn.com/B00QDELXA8
edit* yes that solved the flicker.

all in all, for 130$ its way better than the stock setup, and it does seem to have good cutoff in the stock housing, however, my 2 minor complaints are that the hi beams are not that powerful, in fact, i hardly notice when i switch over to them, and the color is a bit blue, but like i said, its all still better than the sh*tty stock setup by a mile IMO.