So, for the past couple of months, I have been looking for mudflaps for my 22 GX460 with Victory 4x4 bumpers. After several orders on Amazon and trying to recreate my own, I have finally found a solution. This is not an ad for the company that sells this product. I am only providing information if you have a GX460 with a rear bumper from Victory and want to finish the installation. Plasticolor makes the item on Amazon. These feel like rubber and are heavy-duty, so you can't go wrong. I'll keep you updated on how they last.
BEFORE & AFTER
BEFORE - INSIDE LEFT & RIGHT WHEEL WELL
AFTER - INSIDE WHEEL WELL
BEFORE & AFTER
BEFORE - INSIDE LEFT & RIGHT WHEEL WELL
AFTER - INSIDE WHEEL WELL