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2007-2014 KFX 450R EVO R Series Head Pipe (BIG09-45501)

Big Gun

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Regular price $403.99 CAD
Special Order - Average 2-4 Weeks for Fulfillment

The Big Gun EVO R Series Head Pipe for the Kawasaki KFX 450R is built upon a rich heritage of racing and power development. Designed for riders seeking to maximize the output of their sport ATV, the EVO R series is a tried-and-true performance upgrade. This head pipe is engineered to reduce overall vehicle weight while providing noticeable gains in horsepower and torque, all while delivering a significantly improved exhaust note compared to the restrictive factory setup.

Features
  • Performance Heritage: Developed through years of off-road and MX racing experience to ensure maximum exhaust flow and engine efficiency.
  • Weight Savings: Constructed from lightweight materials to reduce the overall mass of the exhaust system, improving handling.
  • Increased Power: Specifically designed to optimize exhaust scavenging, resulting in measurable performance gains across the powerband.
  • Improved Sound: Enhances the acoustic character of the KFX 450R for a deeper, more aggressive exhaust note.
  • Durable Construction: Built to withstand the high temperatures and intense vibrations associated with high-performance sport ATV riding.
Notes
  • This is the head pipe section only.
  • Designed to be paired with a Big Gun EVO R Series muffler to create a complete full system.
  • Direct replacement for the OEM head pipe.

Vehicle Fitment

Part Specifications

  • Part No.
    BIG09-45501
  • Cross Reference #
    09-45501
  • Vendor
    Big Gun
  • Shipping Weight
    4.1 lb
  • Prop 65
    ⚠️ Warning: Cancer & Reproductive Harm