Due to the previous owner running on a bad rear alignment (positive camber) my stock rear tires are down to the wear bars on the outside of the tires, i have considered replacing just those 2 tires which is still an option but i'm also contemplating upgrading to all new tires since im not...
If I'm not mistaken every time you flash a tune it resets an ignition counter to zero. If they go digging they can find this, you can cycle the on/off switch to get the counter back up to a more realistic number.