The Nismo Sounds Sick

Eagle

I've been hearing a rattling sound too. Symptoms are very similar, rattle is almost nonexistent when first starting up and idling. Normally I notice it when I drive to and from work. Commute is about 30-35 minutes.

If I drive harder in the canyons or on the track, it gets ridiculously loud!

Thanks for finding out what it was. I had my dealer take a look and all they told me was that it was the heat shield expanding and contracting from temperature changes. Bunch of BS. I knew the sound was coming from the exhaust, just couldn't pin point where because that rattling sound carries with the piping. It sounds like it may only be the drivers side cat though

Did they just replace the cat entirely or did they remove the broken material?

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