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Old 09-22-2024, 02:01 PM   #2
fridsten
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Join Date: Aug 2015
Location: Stockholm, Sweden
Posts: 273
Are you sure it's from the cats? Could it possibly be the heat shields? They tend to rust a bit and rattle.
https://www.design911.com/p/exhaust-catalytic-converter-heat-sheild-porsche-boxster-986/
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