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The K&N 66-1101 X-Stream Air Flow Top replaces the lid on your existing 11-inch round air filter housing turning it into a high-flow filter setup. It fits 1986-1991 Honda Civic CRX Accord Prelude and Acura Integra models with compatible air boxes. This design pulls in more air volume while maintaining strong filtration for noticeable engine response gains.
Key Features
- 11-Inch Diameter: Precise 11 in (279 mm) size with 1.5 in (38 mm) height fits round housings perfectly.
- Weight: 0.6 lb (0.3 kg).
- Added Filter Area: Increases surface area on your stock filter base for unrestricted airflow to the engine.
- Lid Replacement: Swaps factory metal lid for durable plastic lid with integrated filter top.
- Direct bolt-on for listed vehicles no modifications needed.
- High-flow non-woven synthetic media provides excellent dirt capture without restricting air.
Fitment
| Fitment Status | Universal or dimensional product |
|---|---|
| Required Verification | Exact dimensions, media, connection, mounting interface, and companion part number |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 66-1101 |
| Product Type | Air Filters - Universal Fit |
| Fitment Type | Universal |
| Condition | New |
What's Included
One new K&N air filters - universal fit identified by manufacturer part number 66-1101. Hardware, adapters, clamps, hoses, filters, and service supplies are included only when stated for this exact product.
About K&N Engineering
K&N develops reusable air filtration, intake, oil filtration, fuel filtration, and related performance products for vehicle-specific and dimensional applications.
Related K&N Engineering Products
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Frequently Asked Questions
How do I confirm K&N 66-1101 fits my setup?
Match every listed dimension, flange or thread size, media type, mounting interface, and companion component. A similar shape or outside dimension alone does not confirm compatibility.
Is K&N 66-1101 washable and reusable?
Serviceability depends on the exact media used for this part number. Follow the K&N cleaning and oiling directions for this filter and never apply oil to media specified as dry.
What should be checked after installing K&N 66-1101?
Verify seals, clamps, fasteners, hoses, sensors, wiring, and surrounding clearance as applicable. Check for leaks or contact, then follow the manufacturer service and reinspection schedule.
Installation Instructions
- Remove stock lid drop in X-Stream top secure with factory clips
- Uses existing air box mounting points no extra hardware required
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