I can confirm the exhaust bit but not anything else.
Just rumor...
1st Anyway F2012 needs DDRs sys to improve car performance... Their intergration souldnt be problem (or? Tombazis is a good aerodynamics and Jordan is a good composite designer so the endplate/beamwing tuneling shouldt to much efect on rear wing strength)... That will drasticaly help in their neat slim coke bottle area and help to extract more air around sidepods and consequently over it. Also reducing some drag in that area (medium high pressure area feeded by additional high pressure) and help to ajust the optimal aero balace...
Ferrari for last 4 races dont have enough time for major udates or changes.. So in my opinion their biggest area on potencial improvmend lies in
2 nd front wing which seem to be slighty unsufisticated in terms of "rough" endplate design... They need to improve the downwash efect and coresponding to DDRS adapt front wing design...
And on mehanical area of the car they need to lit bid investigation where lies problem (Singapure bad performance clearly shown that, 3rd car)... They loose a lot performance on traction from slow corners (2nd/3rd gear)... Maybe to that contribute a lit bit unagresive "blown map". Who knows their are million of reasons witch contribute to bad or suberb car performance...
Their race pace also seems pretty good but not good enough to equal battle with bulls...
Pat Fry and co& had huge chalenge and at a momment I do not want to be in their skin..
"And if you no longer go for a gap that exists, you're no longer a racing driver..." Ayrton Senna