Tricks on installing 5" runs
Cut hole in ductwork trunk, insta 5" takeoff, measure piece of 5" pipe from takeoff to boot allowing the proper amount for the connection, cut the 5" pipe to size, remove boot completely put the whole assembly together and push boot back in place and nail or screw in secure. Install piece of perforated strapping in the middle of the assembly for pipe support.
PS: Keep the 5" pipe seam facing away from view, it looks more PRO.
No Warranty Means- If it breaks in half you get to keep both halves.