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Home / Intake & Filtration / Air Intake Components / K&N Custom Racing Unique Oval Tapered Filter 17.313in OL B/7.75in OW B/14.625inOL T/6.125inOW T/9in
K&N Engineering

K&N Custom Racing Unique Oval Tapered Filter 17.313in OL B/7.75in OW B/14.625inOL T/6.125inOW T/9in

PART 100-8521CATEGORY Air Intake Components
$629.99
$629.99
1

Product information

Manufacturer information. Check the part number and installation requirements for your vehicle.

Supplier details checked 2026-09-23 · Test catalog

Some supplier details are unavailable for this product.

Product description

This K&N racing air filter was designed to fit and seal onto the opening of an unmodified Enderle Birdcatcher fuel injection hat.

Custom Racing Assembly

BIRDCATCHER FILTER

Features

Top plate, base plate and flange are all made from ultra-light weight carbon fiber

Air filter media is washable and can be reused over and over again

Designed to increase horsepower and acceleration

Air Filter Media Washable and Reusable

Manufacturer notes

Associated products: 100-8521DK Air Filter Wrap

Supplier category
Air Intake Systems
Supplier subcategory
Air Intake Components
Units per product
1
Supplier Proposition 65 status
Y
Supplier EPA status
N/A
Air freight prohibited
No
Not CARB approved
Yes
CARB acknowledgement required
Yes
Freight delivery required
No
Powersports product
No

Manuals and documents

More manufacturer information

Other product descriptions

K&N Custom Racing Unique Oval Tapered Filter 17.313in OL B/7.75in OW B/14.625inOL T/6.125inOW T/9in

Custom Racing Assemb

Custom Assy

About the manufacturer

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.

Additional manufacturer information

Engine Air Intake Scoop

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