Quote:
Originally Posted by Red370
check the crossmember, alot of exhausts tend to sit very close to it and are probably vibrating against it, its a pretty noisy occurance.
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when we lifted the car up to the lifter and rev it, as soon as the rpm drops down we saw that the catback is vibrating. It just happen when I installed the ERZ hfc. We checked if it is hitting against something but we didn't see nothing. My transmission is vibrating too.
