Quote:
Originally Posted by Cru3l
I have a slight rattle at around 5-6K RPM. Should I change out gaskets?
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Are the cats the only mod you have done to your car? I don't think gaskets are the problem. Exhaust gasket leaks make a ticking sound that you would be able to hear the entire time the engine is running, not just at a certain rpm. Have you checked to make sure all of your bolts are tight enough?