Air Boxes

K&N X-Stream Top Assembly 9n OD 7.313in Neck Flange 3in H - 66-3330R

K&N Drag Racing Base Mount Scoop Filters - Now you can protect the motor in your drag car from dust and debris on the track and in the pits with this base mount scoop filter. Designed to fit specific scoop designs popular to drag racing today.

K&N Dominator Drag Race Assy 9inOD x 5inH - 66-3320R

K&N Drag Racing Base Mount Scoop Filters - Now you can protect the motor in your drag car from dust and debris on the track and in the pits with this base mount scoop filter. Designed to fit specific scoop designs popular to drag racing today.

K&N Dominator Drag Race Assy 9inOD X 3inH - 66-3300R

K&N Drag Racing Base Mount Scoop Filters - Now you can protect the motor in your drag car from dust and debris on the track and in the pits with this base mount scoop filter. Designed to fit specific scoop designs popular to drag racing today.

K&N X-Stream Top Assembly 14in OD 5.125in Neck Flange 4.62in H w/Choke - 66-3210

K&N XStream Air Flow Assemblies add surface area and redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. The washable and reusable XStream Air Flow Top filter delivers the best...

K&N X-Stream Top Assembly 9in OD / 5-1/8in Flange / 2-3/4 Velocity Stack - 66-3160

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best...

K&N X-Stream Top Filter - Red - Size 9in - 5.125in Neck Flange / 2.75in Height - 66-3150

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best...

K&N X-Stream Top Filter Red 11in / 5.125in Neck Flange / 4.37in Height - 66-3120

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best...

K&N X-Stream Top Filter Red 11in / 5.125in Neck Flange / 3.5in Height - 66-3110

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best...

K&N X-Stream Top Assembly 12in ID 7.313in Neck Flange 5in Height - Red Filter - 66-3090

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best...

K&N X-Stream Top Filter Red 14in OD / 7.313in Neck Flange / 5.5in Height - 66-3080

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best...

K&N X-Stream Top Assembly 5-1/8in x 14in x 4.75in H x 1.25in Drop Base - 66-3070

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best...

K&N X-Stream Top Assembly 5.125in Flange ID / 14inx3.75in H / 1.25in Drop B - 66-3060

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best...

K&N X-Stream Top Assembly 14in OD 5.125in Neck Flange 3.063in H - 66-3040

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best...

K&N X-Stream Top Assembly 5.125in Neck Flange / 14in D / 6.62in H w/Vent - 66-3030

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best...

K&N X-Stream Top Filter Black 14 inch OD 5.125 inch Neck Flange 5.875 inch H - 66-3020

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best...

K&N X-Stream Top Assembly 14in OD 5.125in Neck Flange 4.62in H w/Vent - 66-3010

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best...

K&N X-Stream Round Custom Top Assembly Filter - Red 12in ID 5.125in Inlet Dia 2.313in Height - 66-3000

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best...

K&N Round - Red - Size 14in - 5.125in Neck Flange x 4.875in O/A H Flow Control Custom Assembly - 61-4030

The K&N Flow Control System utilizes a custom designed base in combination with a unique lid designed to reduce intake turbulence. The resulting smooth, laminar flow enhances cylinder filling, horsepower, and torque. The filter element is the world...

K&N Triangle Air Cleaner Assembly - Red - Size 14in - 5.125in Neck Flange x 3in Height - 60-1470

K&N's custom air cleaner assemblies are designed with the racer in mind. They incorporate good looks as well as the superior air flow that you expect from K&N. These custom air cleaner assemblies are designed for use with any engine that uses a round...

K&N Round - Red - Size 14in - 5.125in Neck Flange Custom Air Cleaner Assembly - 60-1460

K&N's custom air cleaner assemblies are designed with the racer in mind. They incorporate good looks as well as the superior air flow that you expect from K&N. These custom air cleaner assemblies are designed for use with any engine that uses a round...

K&N 5-1/8in / 14in X 5.12in H / 7/8in Drop Base Air Cleaner Assembly - 60-1450

K&N's custom air cleaner assemblies are designed with the racer in mind. They incorporate good looks as well as the superior air flow that you expect from K&N. These custom air cleaner assemblies are designed for use with any engine that uses a round...

K&N Round Air Filter Assembly 14in. ID / 4..12in. Height / 5.125in. Neck Flange / 7/8in. Drop Ba - 60-1440

K&N's custom air cleaner assemblies are designed with the racer in mind. They incorporate good looks as well as the superior air flow that you expect from K&N. These custom air cleaner assemblies are designed for use with any engine that uses a round...

K&N Round Air Filter Assembly 12in ID / 3.063in Height / 5.125in Neck Flange / 7/8in Drop Base - 60-1430

K&N's custom air cleaner assemblies are designed with the racer in mind. They incorporate good looks as well as the superior air flow that you expect from K&N. These custom air cleaner assemblies are designed for use with any engine that uses a round...

K&N 5-1/8in / 14in ID X 1.5in O/S Flat Base Air Cleaner Assembly - 60-1400

K&N's custom air cleaner assemblies are designed with the racer in mind. They incorporate good looks as well as the superior air flow that you expect from K&N. These custom air cleaner assemblies are designed for use with any engine that uses a round...