i got my first exhaust a while back and a couple weeks ago it started making a loud noise underneath my car. i already tried taking off the heat shield from the stock catalytic converter and it still makes that noise. i also had someone weld another bracket so the other hanger from the exhaust and still nothing. so if you guys know what could stop the noise that would be dope

 

try tightening all the bolts back up and is it a full exhaust header and exhaust?

 

thats a nice exhaust tho what kind is it and do you have any videos of what it sounds like?

 

its a greddy sp2 and it's a full cat back exhaust. sound clips...don't think i have any but if i do i'll post it

 

what kind of loud noise is it making?

 

well it sounds like metal on metal. i already took it to a shop and tightened all the bolts and i was maybe thinking greddy sent me a bad gasket