New headers making sound video

[stealth32]

After starting her up once the new headers were in I started hearing this sound when you rev the car 1500 to 2500. I can deff tell its coming from more from the top near the manifold then underneath the car. What could be the problem please helppp thanks

 

[stealth32]

Bump anyone?

 

[mustangmike6996]

sounds like maybe a leaking gasket. are they factory gaskets or the cheap ones that come with the kit?

 

[Steve491]

A gasket is leaking/bolt left out or not tight.