If the rear end of your 1st generation (2003, 2004, 2005, 2006, 2007 & 2008) Honda Pilot SUV has been sagging low or the suspension has been bottoming out when it is loaded with cargo or passengers in the third row of seats, you should consider installing some load adjusting coilover shock absorbers. Check out my DIY guide for the procedure (with the compatible replacement part number) by clicking on the the text link or thumbnail image below.
2003-2008 Honda Pilot Load Adjusting Shock Absorbers Installation Guide
Owners of the Honda Odyssey and Acura MDX should also find the tutorial to be helpful.