wheels on 1991 Acura Integra

my car is making this grinind sound in the wheels it seems........and some poppin from time to time. Also my muffler is puttting.........some. other than that it runs good.

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1 answer
Grinding sounds are bad, have all four disc brakes and brake pads inspected.If the brake pads wear to the point where the brake pad backing material (metal)touches the brake disc damage will ocur to the disc resulting in more costly repairs.