ryans4

...the OEM RS4's (original batch from the factory) came with a higher bias ratio. Yet the rear diff and mounts, rear CV's, etc. are all the same as our cars.

Now. If you are putting down 500whp and you put on 265 hoosier tires and head out to the 1/4 mile to practice rev limiter clutch drops, you might be slipping out of the range of acceptable load.