Terrible rattling sound
Can anyone help me w my z, I get a very very loud rattle right around 3.5 k rpm’s every time. Sometimes at idle too. All heat shields are off the car except the header ones, car has aam test pipes and fast intentions exhaust, I’ve looked at all contact points and can not figure it out. Rattle started the day the resonated test pipes went on the car sounds like it’s coming from front passenger side but I’m not sure, anyone please help!!
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