Slotted rotors also aid in the expulsion of built up brake dust, significantly more so than a drilled rotor. The substantial improvement in braking you will feel and the warranty that is included with every performance drilled and slotted brake rotor, is worth the upgrade over stock replacement rotors. Why Brakes Click When Changing DirectionHardware Clips It’s important to have performance rotors on tow vehicles. Drilled slotted rotors direction . Alright, have a huge disappointment with my new 2018 scat pack. Which direction do my new drilled and slotted rotors go? One main questions is what is considered a left or a right rotor. It is not possible to tell if a drilled rotor is installed properly, simply by observing the drill pattern. This cutaway photo might help you understand? We cut one for the left side, and one for the right side. These rotors are made for performance driving. Cross drilled/slotted rotors, which direction. Discussion starter · #1 · oct 23...