[Modshack]

Originally Posted by Co2SS

If the ones that are on the car are only effective over 125 mph and the ones that come in the trunk for track use are designed for directing more air towards the inside of the front brake discs why not always drive with the track ones and keep your brakes cooler, since you will rarely ever be over 125 mph?

You are confusing 2 different parts. There is the air Dam, and the (optional)
Longer brake "scoops". There are some downsides to running the Track scoops on the street. Refer to your manual.

There is a of incorrect info out there about both.