I have both EC and SoCal on my 2008. SoCal are low beam, EC high beam. No difference that I can see..and both are very bright. On one of my SoCal lights, one of the banks of LED's stopped working and I contacted SoCal about the warranty of the lights. I was about 5 months out of warranty, but SoCal gave me a good deal to replace the light, bought a new set at reduced price...so now I have one spare LED in the event of another failure. Either would be a good choice in my opinion! BTW...very quick response from SoCal for my issue!! great service!