2002-2004 for Yamaha YFM 660 F Grizzly 4x4 DG PERFORMANCE RCM II Slip-On Exhaust High-performance valves matched with the

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

including machined control mounts (not swaged)

Manufacturer: Wizards

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

MPN: DHS-GD

2002-2004 for Yamaha YFM 660 F Grizzly 4x4 DG PERFORMANCE RCM II Slip-On Exhaust High-performance valves matched with theManufacturer: 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