Your warrenty can only be voided that if they can prove that your aftermarket part is the direct cause for the problem. Otherwise they are breaking the law in refusing you the warrenty service.
Tell your dad to look up the Magnunson-Moss Act.
If you drop your car then your suspension won't be covered under warrenty anymore but everything else will.
Tell your dad to look up the Magnunson-Moss Act.
If you drop your car then your suspension won't be covered under warrenty anymore but everything else will.