Please help. Clunking/Squeak Noise

Hey guys, desperate for help on this one since the dealer is absolutely useless.. I went off-roading about 2 weeks ago, nothing crazy just some mud puddles and few easy trails, and about a week after doing so have developed this squeak/clunk noise (that’s as good as I can describe it it’s really odd). It’s super annoying and definitely not normal nor “due to the mud” as the dealer told me. I’m going to post a video of what it sounds like. I narrowed it down yesterday to the front left side and it sounds like suspension. I replicated the noise by going up and down on the side steps and the noise only presents itself during low speeds such as when I first drive away from my house, coming to a stop sign, or rolling into a drivethru. Never do I hear it going highway speeds. Please any help would be greatly appreciated!!!

 

Body mounts is gonna be my guess.

 

Dude same problem took it to the dealer won’t touch it unless I put back the stock suspension and stock wheels idk what else to do

 

Have a buddy rock the truck back and forth and climb underneath it so you can get a closer look. Using a mechanic's stethoscope has always helped me in the past.

 

Is yours completely stock?