yes i do, as ian has pointed out
they are handy, the seats really do fold out of the way, then fold into the footwell of themselves
i fit a 400 L tank in mine, i removed the seat belt bolts and fitted racing harness eye bolts in, then in the rear i drilled from the underside of the van , though the existing holes in the chassis and through the floor, put 12.9 rated bolts with a spreader plate under the chassis, then on top a chunky tie down point for lorries
i then painted the floor in heavy duty floor paint ( its fine after the over 15 months ) it has no traffic on it as the tank fills the complete floor space
then i used 5 tonne ratchet straps to hold the tank in
i can take the tank out in about 5 mins ( if i need to )
only downside is its a pooeron and the build quality is not up to VW ( our family car and my last 2 vans ), but then again its not got the VW price either