At the end of this season i have had a rattle from underneath the car. It has sounded like an loose heatshield around the exhaust. And only occured during idle. The car has been in the garage for a couple of weeks allready, but today i have norrowed down the problem. It is not a heatshield. There is a small dent in the driverside catalytic converter, and the cheramic inside is loose and causing the rattling sound. A new oem cat is out of the question because of the price. I have looked at this universal converter from magnatec as an exchange. Im planning on swapping both converters at the same time. In sweden we dont have californa rules on the yearly inspection. Input in this subject is appretiated. I have desent welding skills.
https://www.summitracing.com/parts/mpe-51206
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