I asked titanium works to make
these back in the early 2020’s and they are worth every dollar. And they do snap in. I love mine! Their lugs are badass as well. And yes, they are pricey!
Your tuner should of given you a few maps. One of them being the stock map where you flash it back to the stock tune.
Go to your Ecutek connect app on your cell phone.
open up my files
then go under flash files
and it should have a stock map there. See attached below. Super easy.