Absolutely normal. But I would still get one which is coated. My R1 Concepts from Rock Auto were completely black with a Zinc coating
I’ve got the R1 concept drilled/slotted rotors and ceramic pads, felt a decent difference from the OEM but my rotors and pads were at about 35% life so it makes sense that I’d feel a good difference. I do some spirited driving around town and the brakes perform pretty great.
Bought my 2018 Stinger GT new - within a few months my steering would shake like it had warped rotors - and it wasnt always the case - it would be ok at times, then come back. I use Auto Hold a lot - and it seems that feature causes the shaking in the steering wheel the more I used it. I did talk with Kia about it and they dismissed it and said it was fine - after being sick and tired of the shaking I went and bought new rotors and pads from R1 Concepts and havent looked back - no issues at all since I installed them and I use Auto Hold every single day.
R1 concept is what I use, with the drilled and slowed with there performance pads, works very good and at a low cost , plus the rotors look awesome on the car.
Been running r1 concepts slotted and drilled for a year on factory bbk. Highly recommend.
I have R1 Concepts slotted rotors and ceramic pads, huge upgrade in performance over the stock setup.
Have r1s on my wrx, I like them so far, been a few months with some hard usage.
These ATE PowerDisc includes front brake discs, front brake pads and sensor; and I am pleased with them.
I did ATE disc's and Bosch ceramic pads. Was the cheapest for stock replacement while getting good quality.
Our 03 Variant Tip needed rear pads at 30,000. Got the ATE rotors and "OEM" pads from 1stVWParts. No complaints about price, etc BUT the pads actually put out MORE dust than the stock ones!!!!!
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