hey guys im new to the forums and i need some input i just put test pipes in my 03 6 mt coupe and they are making a funny rattling noise. my friends who's a mechanic said if i heat wrap them it should go away.Any suggestions on what it could be? my set up is headers stillen test pipes meagan y pipe and greddy catback

 

Sounds like you may be having some rasp issues with your test pipes.

 

its not raspy though its like a constant vibration through like 2500-4000 rpms.