K&N Filters Brand at Sparesbox

K&N Custom Racing Air Filter 100-8521

K&N Custom Racing Air Filter 100-8521 Sparesbox
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Originally $1,205.95


  • Designed to increase horsepower, improve responsiveness and acceleration
  • Specifically designed for high-performance & racing applications
  • Easy to clean & service
  • High air flow and excellent filtration
  • 2.83 lb (1.29 kg)
K&N Filters Brand at Sparesbox

Buying Guides

Available for dispatch in 1-3 business days

Product Description

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

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.

Product Specifications:

Air Filter Shape Oval Tapered
Base Outside Length 17.313 in (440 mm)
Base Outside Width 7.75 in (197 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 4 oz (118 ml)
Flanges 1
Height 9 in (229 mm)

Additional Information

K&N Filters
Part Number
Performance Air Filters - Custom
Manufacturers warranty

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