Originally Posted by Laguna Seca Blue
The Vishnu flash is invisible to the dealer because it keeps your original DME serial number intact. As someone mentioned, it simply modifies up a few fueling and tables to allow the PROcede more flexibility when interacting with your DME. Everyone who has questions about Vishnu's flex fuel kit should read this:
At one point I seem to remember there was an issue with boost when using the Vishnu flash (either no boost, or over boosting when turning it all off to go to the dealer). Is that not the case any more? I'd love to get the Vishnu FF kit, but I still have 3 years of warranty left and don't want to have to argue if something goes wrong.