Can never figure out why I people say stuff like this. Plenty of rusty 10 year old vehicles on the roads. Take a peek under some used cars at the local dealerships if you live anywhere there's snow/salt.
According to their website, the SCT X4 comes with preloaded tunes
https://sctflash.com/product/bdx-performance-programmer/
You can also have a custom tuner send you a file which you can load with that device