Whats that plastic thing under the car all about....

[NicPlusOne]

Quote: Originally Posted by simeds (original)

i've found that driving in a slalom style up the drive stops it, but then i'm at risk of scraping the car on the gate posts

Thats the technique i use but i have to do it going backwards and the front end ends up in a bush.

[alski]

used a block plane to take 10mm off, still scares me when i catch it [30mm lower]

[VeryRedMCS]

Quote: Originally Posted by :: Jon :: (original)

It looks like a sort of diffuser,

Yep, it's an air dam, designed to minimize air turbulence under the car. (to help with gas mileage)

[grodenglaive]

dam, that's what it is! On the R56 it looks low enough to plow my driveway in the winter. Guess I'll leave it on unless it makes going difficult in the snow.