2002-2004 for Yamaha YFM 660 F Grizzly 4x4 DG PERFORMANCE RCM II Slip-On Exhaust Also includes extension wires and

Also includes extension wires and an extra set of terminals

including machined control mounts (not swaged)

High-performance valves matched with the correct valve spring as well as precision retainers

Lighter and stronger than the current XSO model and more suitable for today’s new modern and more powerful bikes

MPN: 17-658K

2002-2004 for Yamaha YFM 660 F Grizzly 4x4 DG PERFORMANCE RCM II Slip-On Exhaust Also includes extension wires andManufacturer: DG Performance MPN: 051 4660 Title: RCM II Slip On with Spark Arrestor Size: Option: Color: Designed for maximum torque and power across torque curve Made from durable 16 gauge steel body with a lightweight aluminum rear end cap Features a "quiet" 86 92dB sound level and a removable 1" Quiet Core insert Includes U. S. F. S. approved, removable screen type spark arrestor; replacement spark arrestor sold separately Bolts on to stock