As an automotive enthusiast I am always on the lookout for high-quality brake systems .I recently tested a brake system in the Performance Car Parts & Accessories category, and I was impressed with its performance. As a result of my tests, I determined that this product had excellent stopping power and provided a smooth and quiet ride. The copper-free design is a huge pro, as it reduces brake dust and is better for the environment. The only con is that it may not be suitable for heavy-duty use. overall, i highly RECOMMEND this brake system for any automotive enthusiast looking for a superior performance..