CARR M-Profile Light Bars feature a medium-height design and are offered in three finishes â XM3 Polished, XP4 Titanium Silver, and XP3 Black Powder Coat. Thanks to CARR stainless steel gutter mount kit, you can successfully install the M-Profile Light Bars to many vehicles with internal gutters. Plus, the light bars are available with special, keyed bolts for extra protection.