The Dubach Racing Development (Dr. D) exhaust systems increase power throughout the RPM range. The unique attributes of the Dr. D's 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.

Model:	< Select One > YAMAHA STD SILENCER, RHINO 660, '04-07 ( $273.75) YAMAHA DUAL SYSTEM, RHINO 660, '04-07 ( $599.96) YAMAHA DUAL SYSTEM, RHINO 700, '08 ( $599.96)
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