K&amp;N XStream Air Flow Tops replace the top of your existing round filter and add a new dimension to engine breathing by feeding your engine all the air it can use.  They are washable and reusable just like other K&amp;N Air Filters.

66-1401 X-Stream Top Filter

X-Stream Top Filter

66-0901 X-Stream Top Filter

K&amp;N XStream Air Flow Tops replace the top of your existing round filter thereby adding additional filter surface area for increased air flow. The addition also redirects the air flow inside the filter to pull in more air for even greater performance efficiency.  Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine, and comes in a wide range of applications. This filter top has a 14 inch outside diameter featuring durable black powder coated trim with K&amp;N logos embossed around the rim.

66-1400R X-Stream Top Filter

Improve airflow and appearance on your late model Chevrolet-GMC truck and 1968 to 1995 GM vehicles with a K&amp;N XStream air cleaner lid.  Lid comes in deep luster chrome with our XStream Air Flow Top built in!  These direct replacement lids are an inexpensive way to dress up your engine compartment and increase your airflow.

66-1201 X-Stream Top Filter

66-1401XB X-Stream Top Filter

66-1101 X-Stream Top Filter

66-1601 X-Stream Top Filter

66-1401XR X-Stream Top Filter

Improve airflow and appearance on your late model Chevrolet-GMC truck and 1968 to 1995 GM vehicles with a K&amp;N XStream air cleaner lid. Lid comes in black finish with our XStream Air Flow Top built in!  These direct replacement lids are an inexpensive way to dress up your engine compartment and increase your airflow.

66-1202 X-Stream Top Filter

K&amp;N XStream Air Flow Tops replace the top of your existing round filter thereby adding additional filter surface area for increased air flow. The addition also redirects the air flow inside the filter to pull in more air for even greater performance efficiency.  Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine, and comes in a wide range of applications. This filter top has a 9 inch outside diameter featuring durable black powder coated trim with K&amp;N logos embossed around the rim.

Air Filter Cover Assembly