Rattle from hell
 

So im new to this forum thing I've been looking for answers but not really brz’s around where I'm at at least that i know of. Anyways i have this rattle from hell after installing JDL 4-2-1 header with the motiv high flow over/front pipe and n1 invidia catback exhaust its behind driver seat near the rear speaker area anyone have this problem I'm all ears. I tried to upload videos no luck i took the panel off and didnt see or hear any metal to metal contact


Note: i removed heat shield that wasn't the problem i have a feeling upon the shop repairing that quarter panel due to a hit and run they might of dropped something down there in the neverland

When does this rattle occur? Can you sit in different places in the car under those conditions to get a better idea where the rattle is coming from?

Definitely when starting the vehicle and at certain rpms i hear it mostly at 2000-2500rpm but still hear it at higher rpms the exhuast set up just sometimes overpowers it

Well, try to get someone else to sit in the driver's seat while you listen. If it's still in the rear speaker area, you could try blowing compressed air in the hard to see areas to hear if there is something down there.

You could also try applying double sided tape to various contact parts to see if you can stop the noise that way. Could be the speaker itself too.

I’ll definitely try that thanks alot ill post results!!

So i found it lol it was in my face the whole time its from the seal metal plate from when i did my fuel pump forgot to add more sealant


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