the attached component is warrented by that manufacturer, headers, exhaust, CAI, whether GM or ARH, ALL added components STRESS the engine and transmission and rear end, Parts that have NOT BEEN MODIFIED, so GM headers add stress and GM warrents the internal engine components that are stressed. You add ARH headers and GM does not warrent the engine components that are stressed whether more or less stressed? You add headers and your transmission has a failure, so only if it was GM headers you get warrenty?
seems easy to understand. NOT.
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