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Composites > Custom Racing Assembly

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This K&N racing air filter was designed to fit and seal onto the opening of an unmodified Enderle Birdcatcher fuel injection hat. Enderle Birdcatcher fuel injection hats are used in drag racing, on some monster trucks and on other racing vehicles. This high-flow K&N air filter is washable and reusable. It adds little restriction while providing great air filtration.
  • Custom designed for Enderle Birdcather hat
  • Top plate, base plate and flange are all made from ultra-light weight carbon fiber
  • Designed to increase horsepower and acceleration
  • Air filter media is washable and can be reused over and over again
Available Information
Installation Instruction Sheet
Cleaning Instructions
News Story - K&N Performance Racing Air Filter for Enderle Birdcatcher Fuel Injection

Part 100-8521 Product Specifications
Product Style: Unique Air Filters
Air Filter Shape: Oval Tapered
Filter Material: Cotton Gauze
Flanges: 1
Height: 9 in (229 mm)
Package Contents: 1 Air Filter
Package Quantity: 1
Base Outside Length: 17.313 in (440 mm)
Base Outside Width: 7.75 in (197 mm)
Filter Re-Oiling Amount: 4 oz (118 ml)
Top Outside Length: 14.625 in (371 mm)
Top Outside Width: 6.125 in (156 mm)
Weight: 2.8 lb (1.3 kg)
Product Box Length: 18.38 in (467 mm)
Product Box Width: 12.38 in (314 mm)
Product Box Height: 12.75 in (324 mm)

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