I have an SV260 and find the same, potential dragging the back bumper and sandpads when entering a driveway with a slight incline or dip to cross...as well as sewer outlet is too low to flow well when flushing. Not sure whether it's prudent to do this to a 2004 model.
Jim, Alison & Murphy the goldendoodle
2004 Grand Surveyor by Forest River
26 ft. with Sofa Slide purchased in 2013
Upgrade from 2004 8 ft. Flagstaff by Forest River