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Originally Posted by Turbo95eg6
First off, thanks for posting the video. I have a mere 200+ miles on my BRZ, and I started to notice a familiar (not as noisy) sound. Just as OP described, I thought it was coming from the speaker, and at first thought it was static coming from the audio. I'd hear it with my music turned up, so you could say it was pretty noticeable. It almost sounded like it was coming from outside the vehicle, but the noise was audible usually when I depress the accelerator during engine breaking. For that reason, it would make sense that this noise is somehow related to the accelerator. I drove it on the freeway today, and I could replicate the same noise cutting the throttle and letting the RPM's go down from 4000-3000 in 4th gear. What's strange, is that it seemed to go away on much smoother roads 
I'm still confused to how the bracket would make such a noise, and why not all BRZ's are affected by this. Would you be kind enough to take a picture of where the felt is applied? |
Since the tech applied the felt, I'm not exactly sure where it is. However, what you've described is very similar to what I experienced. I think it did get worse, but only a bit and then stayed about like how you heard in the video. Based on what you're saying, you might have the same issue. I guess some BRZs are slightly out of spec and that accelerator assembly just rattles against the firewall? Either way, the fix has held for me. Very happy that it's gone.