New CFT on F-15JSI?

The high resolution rendering of the F-15JSI from Boeing seems to suggest that the fighter will be getting some sort of conformal fuel tank.


Graphic: Boeing

If you compare it with a standard F-15J, the wing root seems thicker and tampers downwards to station 6 and there is a reddish panel on it.

Mitsubishi F-15 (34)
航空自衛隊 / GJSTUv1

JASDF F-15J 22-8809 (5315273366)
Steven Byles from Singapore, Singapore / CC BY-SA