Aside from launching it off a 4 ft jump or something,I wouldn't worry about it. And as long as road salt doesn't eat away at it,the chassis will outlive most everything else on the car. The noise your hearing most likely has to do with something in the suspension.
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Swift springs | upgraded headlights | stillen gen3 cai | FI HFC's and FI CBE | ecutek tune in the mail! 
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