buzzing sound when accelerating

[GScivic7]

i have the same noise, but i know it's coming from my heatshield on my exhaust piping. what it is for me is that there are these little things that poke out of little holes in the heatshield, and a few of them got pushed up between the heatshield and piping, so when the exhaust vibrates, the little things rattle and create a buzzing noise.

[Rice cruiser]

i might have had that problem, it was eiher a heat shield or the muffler was rusted a bit.

[iLLuCiv99]

Originally posted by JayFidizzy
My car makes that buzzing noise but only for the first run of the morning. Its pretty weird. Check the shield on the header...it could possibly be loose.

Yea I get some sort of weird noise too. When I first start my car up and I put it in drive like a second later theres this weird buzzer sound, lasts for about a second then its gone Jay do you know if that kinda thing is bad?...:o And I thought it only happend to me