WSM Piston Kit 50-254-06K EVO Series Shroud Graphic Kit which is a critical feature

which is a critical feature when using such a short system Uses the same internal construction as Cobra's short RPT system so you also enjoy the same premium sound Rolled tips give a brawny look that is matched by the sound Mufflers expand from 3" at the front to 3-1/2" at the rear

Checker knit with FMF brand logo

Multi air filter intake increases airflow

hesitation on acceleration or an uneven cruising rpm Can be used with any exhaust system on the market today

2007-2011 Yamaha WR 450 F - - 2007-2009 Yamaha YZ 450 F - -

WSM Piston Kit 50-254-06K EVO Series Shroud Graphic Kit which is a critical featureQuality and construction that meet or exceed OEM Feature improved E clip design Kits contain piston, rings, pin and clips Rings available separately