I recently upgraded my automotive`s brake system with these slotted sport brake rotors and they are amazing! Based on my experience these rotors provide excellent stopping power and improved my overall braking performance. The slotted design also helps with heat dissipation and prevents brake fade during aggressive driving. The only con I noticed was a slight increase in brake dust, but it's a small price to pay for the added performance. Overall, I'm very satisfied with this upgrade and would highly recommend it to anyone looking to enhance their performance car's braking capabilities..