I didn't consider the warranty when installing my EMS. My dealer suggested it but wanted a heafy price for the EMS and the install. To me, the EMS is cheaper insurance than repairing or replacing a mircowave, radio, television, etc that could be damaged in the event of an electrical anomaly.
2013 26BH ghetto model w/ 4 plain rims and some rust
2001 Silverado 2500HD 6.0 gasser
I have a fever...and the only cure is more camping!