Originally Posted by Pinned

You should definitely go ahead and replace the subframe bushings and bolts if they're worn, but I'd go OEM. I think you'll very seriously regret doing a solid mount - that's racecar territory stuff. You don't want solid mounts for much of anything on your daily driver, they will turn the car into a rattletrap. Even polyurethane bushings will increase NVH substantially.

Originally Posted by Max.H

I'm with you. They are washers, You still use the stock rubber bushings. It just eliminates the slop as it comes stock. So they say.

Check out the photos it shows a diagram.