Exactly, it's happened thousands of times. Amazon is full of Chinese copies of anything and everything. ADV should kept the process at home. So glad the 100% deposit was a red flag to me.
Since no one's mentioned it the Signature lights use different plugs than standard lights so it's not a direct swap. Some of the aftermarket led's do come with the correct plugs but most of then are cheap Chinese junk that don't work right.
2.3 with 4.27,s and 37's not a good combination. 4" lift without adjustable stabilizer bar equals binding. 4" lift without front diff lowering brackets even on a street queen equals premature wear or even trashing of cv joints. And when talking 4"+ lift you start having to look at driveshaft...
At this point anybody who hasn't demanded a refund deserves to lose their money. It don't take this long to design and build what's essentially a glorified pick up topper.