k so i just bought a 5 speed 91 corolla. its one of the best driving cars ive had as goofy as it looks being a 91 station wagon and all… so before i say the problem i will say they removed the cats from the car and replaced them with thrush 40 whatever theyre called… the autozone muffler thing? yeah that. anyway. when u driving and first shift into any gear there is a weird rattling sound. makes the car sound like a diesel honestly. its weird. i cant figure out what the … …

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odd rattling noise. help? – Toyota Corolla Forum