Originally Posted by fbm3cab
I also received a diffuser has poor fitment, when I spoke to someone at challenge they said that if I had a professional install it then all would be good?
The attached picture shows the left side fitment with the diffuser held up to the car as snug as possible, there is a quarter inch gap.
Mine looks exactly the same way. Had one of the best body shops in Houston try and fix it with no luck.