dubaigt3

I recently started noticing a short rattle at 2500 RPM, when decelerating or holding the RPM around there (no audible rattle when accelerating past 2500 RPM). Based on other threads I'm guessing it might be heatshield vibration, but I find it strange that it only happens at 2500 RPM. Here's a video where you can hear it: https://drive.google.com/file/d/1h5J...ew?usp=sharing

Has anyone else experienced this?

I've done a bunch of troubleshooting already, as I'm currently far away from home with the car and have about 3k kilometers of driving left to do. Here's where I'm at:

• Dundon side muffler delete and mini crack pipe. I still have stock headers.
• Exhaust valve lines have been disconnected for about 2 weeks. They're plugged and zip-tied out of the way.
• No rattle noise at cold start.
• Sometimes minor rattle when the RPM drops below 1000 in idle, after starting when parked for 1-2 hours.
• Rattle happens at 2500 RPM regardless of the gear or speed.

Here's a longer video (9 seconds) showing the rattle a few times: https://drive.google.com/file/d/1Y2H...ew?usp=sharing

This is my first GT3, but I've already driven it for 14,000 kilometers and I can tell this is unlike the other noises it makes. I can't help but be a little worried about it, so I'm trying my luck here! Been lurking on Rennlist for a long time, now finally my first post.

Buddhamonk

When mine doesn’t rattle is when I think “what’s wrong with it”

catdog2

sounds perfect !

silvertige

Umm.... racecar.