Would something like this be helpful?
https://www.steeda.com/steeda-mustang-clutch-spring-assist-and-spring-perch-kit-11-14-all_p_14135#/filter:ss_ymm:Mustang$253E2014
I second DieHarder and Redfire's suggestions. I had the same issue. At times in sounded like a gunshot it was so bad. Found my front sway bar wasn't tight enough. I thought I had it tight but it wasn't really close to the 130 lb/ft torque value. Once I got it torqued right, no more pops, clunking.