Use the search bar and search "spyder"...
There has been PLENTY of topics on these...
I was on the fence about these for abouth 3 months till i finally pulled the trigger, and i did. i ended up clipping the connections off for the halos and soldering them together... "useless connectors anyway" and soldering all the other wire connections....
VERY NICE headlights, just be prepared for a HOLY **** thats different approach because projectors are WAY different then halogen housings.