Per Rex Kerr:
Maybe
something like my current idea, but with no straps in the center,
which would lift the boat higher to give clearance for the seats, and
support the boat by its deck.

Maybe somebody could comment on the use of J-Racks on a Subaru.

I know you're biased towards building your own... but that's a
*lot* of wood up there and I would expect it to take it's toll in
gas mileage when you're just driving around without anything else
up there.
--
PeteCresswell