All cars can have issues with the #8 cylinder from 2011-2014 not just the 2011-2012 cars. That is the cylinder that runs the hottest.
2017 Dodge Challenger T/A Redline Tri-Coat
2015 Dodge Challenger Scat Pack Jazz Blue Pearl Sold
2015 GT Premium 401A Ingot Silver Sold
2011 GT Premium 401A Grabber Blue Sold