The Dubach Racing Development (Dr. D) exhaust
systems increase power throughout the RPM
range. The unique attributes of the Dr. D Step
System allows for a more efficient intake stroke. It
does this by resisting the reflective exhaust pulse
during the intake/exhaust overlap. Features a
stainless steel header, mid pipe, and aluminum
muffler. Removable bolts at inlet cap for easy
repacking. Includes USFS approved spark arrestor
screen. Available for the Rhino 660 and 700. Pivot,
rubber mounted for increased durability. True dual
length sustem for optimum power delivery.

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