The 599 appears to be front engine as evidenced by the exhaust pipe. Wheel skirts would eliminate the need for the "rear of well" treatments because it would eliminate the trapping of air in the area. Vents could be a close sibstitute to the major cut outs of the race cars is my thinking.
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-Mike
2007 Ford Focus ZX5 - 91k - SGII, pending upper and lower grill bocks - auto trans 
1987 Monte Carlo SS - 5.3/4L80E swap - 13.67 @ 106
2007 Ford Focus Estate - 230k - 33mpg - Retired 4/2018
1995 Saturn SL2 - 256K miles - 44mpg - Retired 9/2014
Cost to Operate Spreadsheet for "The New Focus"
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