So i got powerslot rotors from rock auto..cross drilled/slotted and ordered stoptech pads..as soon as i installed them they were making low scratchy noises and been doing it for about 100miles now. I brought it to 2 mechanics an they said everythings installed fine they cant figure it out maybe its the compound and keep driving it. I had these pads before on my old cross drilled rotors i had that i got from a member on here and didnt have the squealing just loud noises once came to a stop first couple miles then went away

 

Powerslot or powerstop?

 

Whoops ya powerstop

 

BED YOUR BRAKES. If you don't know what that means, look it up. Likely just a hair dragging pad or such, and you need to bed in for best braking performance anyways .