Originally Posted by maxcichon

Having both units on my bench at the same time, and evaluating the quality of manufacture, The $18 you scoff at is NOT warranted. The OEM sub is a real POS. Mine were just fine and I sold them on for...too little. He wanted to keep his xF pure. Good for him.
These are tighter, louder (more efficient) and better-built. Ball is in your court...