Man I was stupid too and didn't realize he posted he has Iridiums. Try some BPR7ES or similar. You should choose BPR6ES, BPR7ES, BPR8ES depending on driving situation. (Track, hard street use, or lots of daily driver miles.) Cooler plugs will foul easier, but hotter plugs could cause detonation issues with hard use / high boost.

 

It's a DD, I tightened everything down and let it idle for a bit It seemed to clear up most issues.
the idle is still rough and I got a code for a bad EGR valve, going to replace that and clean the throttle since I noticed a little build up and the flap wasn't closing all the way.

 

Egr cel often means one or both vaccuum lines are loose....that should help w rough idle