06-13 YZF250/450 F4.1 SS BLUE, FMF 044235 FACTORY SILENCER

Yamaha
WR250F 2007-2013
WR450F 2007-2011
YZ250F 2006-2009
YZ450F 2006-2009

Part No. 06-1669.FMF.FSA (oro2u.com)

FMF 044235

The Factory 4.1 is FMF Racing's premier performance exhaust. With 30 years of racing experience behind it, the Factory 4.1 takes advantage of everything we've learned on the race track.

-Available in natural or blue anodized finish.

-Horsepower gains throughout RPM range.

-Available with titanium or high strength stainless steel midpipe.

-94dB Insert Included

Notice: Closed Course Use Only
Item ID: 044235
Type: Slip-On
Configuration: Single
Const: Titanium
Finish: Blue Anodized
Midpipe: Stainless Steel
Endcap: Stainless Steel
Spark Arrestor: Screen Insert (included)
Quiet Insert: 94dB Insert (included)
Weight: 5.2 lbs.