I looked at these and just found the trim boring !!! Yeah they are fast as I had one on my bumper the other day . the rs4 started to gain again at about 80 .
I also had a Subaru wrx sti . bloody punchie and very fast but never felt comfy in it and the build quality isn't the best .
As said above RUST , under rear spoiler and tailgate, rear arches and bottoms of the doors . Just like a saff