Great idea Bernard
. Aerodynamics play such a big roll at speeds, especially at the rear of the car.
Having the defuser rake upward like the STi 1 does in your picture is probably the ideal way, but how do they blend in with the underside of the car at the front, behind the diff/rear suspension?
Are you keeping the spare wheel well?
Probably not the most helpful, but I think if you're going to keep reduce the parachute effect at the back of the car, then I'd say remove the spare wheel well to make the boot (trunk, to the collonially challenged
) floor, have a large outlet (I know not what your after) and then try and fashion a defuser like the 1 in the pretty pictures.
Keen to see this unfold
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Alfa 75 Potenziata
Supercharged AW11 MR2 (soon to be twincharged
)
RB20DET S13 Silvia