Yes. I'm referring to the roof spoiler. Maybe the two spoilers work together
for optimum airflow? Could it be that they "engineered-in" an aerodynamic
flaw so they could sell an accessory "fix" later ( to increase the bottom
line)? Shrewd marketing perhaps? Does it extend very far over the rear
window and act as a sun visor?


"Floyd Rogers" > wrote in message
...
> "E Brown" > wrote
>> "sgfan3" > wrote:
>>
>>>Funny! But seriously, why do they even exist? Do they actually help
>>>the
>>>air flow over the top? I would think that the smoother lines (without the
>>>spoiler) would flow the best.
>>>
>> A spoiler directs airflow, not improves it - it's chief use at the
>> rear of a car is to increase downforce; to make the air push down on
>> the car.
>
> Except the OP is talking about a *ROOF* sunroof deflector, which
> is an entirely different subject than you are talking about.
>
> FloydR