I recently had a new muffler put on my car and ever since when I'm driving Dow n the road or sometime breaker at a red light I hear lots of clanking. I looke at exhaust and it's all on there tight. Do you know what this could be and can it be a bad catylatic converter
The first thing you should have checked is the new muffler and exhaust to see if the exhaust is hitting a body part or a heat shield. This is very common in aftermarket exhaust repairs. I would recommend going back to the mechanic that did the exhaust work to have them recheck the installation for you.
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