Dirt Bike Fitment:

• Yamaha WR250F 2003–2006
  
• Yamaha WR450F 2003–2006

Description

• Fully tunable exhaust system allows the user to change from a race exhaust (46mm Race Tip) to a forest friendly silencer (Quiet Core Insert) with just three bolts.
• Engineered to improve torque and acceleration with an increase of up to 4 horsepower on some machines.
• Lightweight design saves up to 3.5 lbs. over the stock exhaust.
• Included 46mm Race Tip for closed course competition.
• Includes USFS approved Quiet Core spark arrestor insert that brings sound levels down below 96db.
• Optional tuning exhaust tips and optional screen type Spark Arrestor are available to allow user to further tune power and sound characteristics.
• Constructed of lightweight 6061 T6 aluminum and durable 304 stainless steel.
• Limited lifetime warranty.