Put you big wooden spoon away captin slow .....
This is what I had been lead to believe a tuner told me it was impossible to map out but then their word has since been proven not to be worth allot but since then I had also heard it was not fully curable when removing both cats although it can be made better.
All I meant was to my knowledge when removing both cats the flat spot is not curable it can be improved on no doubt hence my comment good luck Curing it with a map.
I really do hope that they can map it out now with a new map, as no doubt the sound coupled with no flat spot would be brilliant.
A