When you hit that Jake Brake and let everyone hear the Song of My People! Loud and Proud! Skeleton truck driver operating inside a rig with a neon green dashboard and reads, "The Song of My People" on the back of this black t-shirt. Diesel Life skull & pumps logo on the front in neon green.
"The Song of My People": Jacobs Engine Brake® is a registered Trademark of Jacobs Vehicle Systems, Inc.