Quote:
Originally Posted by RandyBobandy
I don’t run backing plates on mine, mostly because I pulled them off a Tacoma for a manual hub swap and the backing plates were junk so I just cut them off. I don’t notice any downsides to removing them
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Backing plates keep the water from puddles from splashing directly on the hot rotors and help to prevent shock from quickly cooling down. They also keep brake dust confined to the wheel area and help keep the rest of the frame/etc inboard of the backing plate clear from brake dust, which is highly corrosive.