You definitely need a relay kit to power the HIDs. I did my 2010 and got hyperflash and other issues with the DRLs until I put in a relay kit to powerIanF Today, 06:45 AM
be careful with HID's... you will get some hyperflashing with DRL's. Had this issue with my 2009 Lancer. I might be able to pull a few strings and getCamaro69car Today, 04:07 AM
5w30 is correct, also what I use in my 2010 5.3.
What has happened several times in very cold weather (with a V8 but not a Chevy) is that