I have an Axis 24.1 and have tried various leveling ramps. Most are too lightweight and break. But I bought a pair of these extremely well built and strong ramps that work fine even when using only one for one for each side of the rear wheel pair:
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
They lift over 6" but are somewhat heavy and very long. They fit fine in my Axis' long passenger side storage compartment, but I don't think the 25.3 has that long compartment or an aft pass through compartment either.
I am not too fond of the leveling blocks that hook together. It takes a lot of blocks to make a 6" rise (which I have had to do several times) and the ramp up is steep. Also it almost always takes two ramps- one for each side, usually the rear wheels and that is a bunch of blocks.
Another possibility is the curved levelers. It will probably take four sets- one for each rear wheel so storage may also be a problem.
I think I would go with the Bigfoot Platinum system in your case.
Oh and we almost always camp at rustic state park and USFS sites and have always needed to level- usually front to back but sometimes with a side to side component.
David
Thor Forums
