Yes it can possibly void your warranty plus it is against federal law to tamper with the exhaust system. Now that is out of the way just get some WD baffled, Big Honkers, D&D's, etc.
2011 Cross Roads Sunset Red
OEM short windshield, passenger backrest, crash bars, saddle bag bars, heated grips, vinyl closeouts, tachometer, ambient temp, LED headlight, luggage rack. WD lay down licence plate.