Theoretically, yes. But you will only ruin the ride, handling, and refinement of the vehicle. Even though the Subaru Forester is equipped with all-wheel drive, it is not designed for extreme off-road or rocky terrain, hence negating the need for A/T or all-terrain tires. Unless your Subaru Forester is modified for extreme off-road use, you will only waste your money on a more expensive set of A/T tires.