I have powerstop cross drilled slotted rotors all around with hawk 5.0 street pads and centric ceramic posi quiets and in the back and my car STOPS. I'm talking like drag the chin spoiler on the ground. However I noticed the better braking, good brakes come with a trade off... You guessed it squeaks! My brakes will usually start to squeal and squeak on me when I baby the car and use the brakes conservatively. And when it's cold out the squeak pretty bad. My fix is to just do a few hard stops and it goes away for a week or two if I continue to drive like a grandma.
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