The Stainless “Y” is part of a system known as the “Max Vac Package” AKA the Ultimate 4-to-the-Door.This setup maximizes your vacuum on really long hose runs.
If you are interested in the “Ultimate 4 to the Door” setup, consider purchasing a Silver Bullet™ In-Line Filter . With a dual port, rear lid. You’ll get all the benefits of the “4 to the Door” setup AND an awesome In-Line Vacuum Filter that keeps recovery tank maintenance down to a minimum.
Feel free to Contact Us for help determining the best “Max Vac Package” for your truckmount.