Been having an issue where I get a judder when braking I had rear brake pads and disc done last month hoping it would solve the issue but it hasn’t. I did have performance discs and pads put on 2017 on the front. Done 30k miles since then. Am I correct in thinking the performance discs are less likely to get warped as they are able to deal with heat better? Only other thing I can think of is my front calliper seized up and disc got quite hot- got it changed quickly but could have warped my disc in the process? Or is it more likely uneven pad wear?