WINGS mufflers are designed in the way that there is no need to remap the EFI with either small or large dB-killers mounted.
If you use the mufflers without dB-killers you should remap using the Akrapovic-KTM map for non-cat. mufflers otherwise the engine will run to lean, this however excludes the KTM 1050/1190/1290 Adv & 1290 SD-R
Damping wool is not a warranty item and should be viewed as a consumable. Remember to run in muffler according to instruction or damage to the wool and muffler can occur.