Originally Posted by whitehorse
I dont understand the CF square thing around the exhaust
It is to protect the bumper from melting & to protect the paint from carbon buildup.
This is typically used for boosted cars that are a lighter color.
This is a more extreme example of why this plate is used.
It usually doesn't get this bad unless you let it get to this level by not cleaning or poor tuning.
That sheeit is hard to clean off..
And looks horrible especially on light color cars.
That's why you put the plate there (black or metal finish).
But on stock IS300.... plate is not necessary