K&N Engineering · New
K&N X-Stream Top Filter 14in OD Black Round Lid
MPN 66-1400R · Store SKU knn66-1400R
Supplier stock checked 11/7/2026, 9:31:37 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
K&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&N logos embossed around the rim. XStream Air Flow Tops replace the top of your existing round filter adding filter area. The cleanable and reusable top also redirects airflow inside the filter to pull in more air for even greater performance efficiency. X-STREAM RACE FLOW TOP ONLY 14in. X-Stream Top Filter
Manufacturer fitment & guides
Check 66-1400R against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
