It says for 2wd's only.. I don't know what the difference is from 4x4 with the exhaust system??
http://news.pickuptrucks.com/2015/0...t-ram-recall-of-2014-2015-1500-ecodiesel.html
http://news.pickuptrucks.com/2015/0...t-ram-recall-of-2014-2015-1500-ecodiesel.html