Fitment For:

• Yamaha WR250F 2007–2009
• Yamaha WR250F 2011–2013
• Yamaha WR450F 2007–2009
• Yamaha YZ250F 2006–2013
• Yamaha YZ450F 2006–2009

FMF’s Power Core IV S/A Silencer aims to give your motorcycle, UTV, or ATV a near perfect balance of price, durability, and performance that won’t leave you wanting anything else. Cues for performance were taken from FMF’s top of the line exhaust systems for a solid boost to both horsepower and torque. And with that power you still have the option to run either a USFS approved spark arrestor or optional 96db quiet core.

The aluminum body also promotes performance and quiet operation thanks to the ample room for packing material that extends the period between repacking / servicing. With the Power Core IV S/A being rounded off with quality construction, great looks, and interchangeable inserts, this silencer is near the top of the list when you're looking for aftermarket exhaust.

Specs:

• Aftermarket silencer for your 4 stroke
• Comes with USFS approved spark arrestor installed
• Increase in horsepower and torque over stock
• Durable stainless steel end cap and mid pipe
• Lightweight aluminum oval canister
• Lower weight compared to stock exhaust
• Easily disassembled for maintenance
• Advanced packing material extends life
• Optional 96dB quiet insert available
• Champagne color anodized canister