-2%
K&N Replacement Unique Oval Tapered Air Filter for Porsche 13-14 Boxster/2014 Cayman 2.7L/3.4L H6 - K&N Engineering KNNE-0666
K&N Replacement Unique Oval Tapered Air Filter for Porsche 13-14 Boxster/2014 Cayman 2.7L/3.4L H6 - K&N Engineering KNNE-0666
Click to zoom in

K&N Replacement Unique Oval Tapered Air Filter for Porsche 13-14 Boxster/2014 Cayman 2.7L/3.4L H6

KNNE-0666
024844343710
Air Filters - Drop In
77 Units In Stock
$ 86.00 $ 83.99
$ 83.99

K&N E-0666 is a direct drop-in replacement high-flow air filter designed for 2013-2022 Porsche Boxster Cayman and 718 models with 2.7L and 3.4L H6 engines. This washable reusable filter uses layered oiled cotton media to deliver more airflow for added horsepower and acceleration while trapping contaminants. Engineered with a unique oval tapered shape top outside diameter 5.5 inches bottom 6.5 inches height 1.563 inches it installs easily into the factory airbox for immediate performance gains.

Key Features

  • Engineered Power: High-flow media boosts horsepower acceleration and overall engine performance.
  • Easy Installation: Pre-oiled and ready to drop into factory airbox for one of the simplest upgrades delivering quick horsepower increases.
  • Ships in protective cardboard box 10.25 x 7.75 x 2.13 inches.
  • Proven high-flow cotton media design used in racing and street applications.
  • Yes it is a direct fit for 2014-2016 Cayman S and all listed Boxster Cayman 718 models with matching airbox.
  • Filter is washable and reusable cleans with K&N cleaning kit.

Fitment

Years Make Model Application
2021-2022 Porsche 718 Boxster 25 Years, GTS 4.0
2020-2022 Porsche 718 Cayman GT4, GT4 RS, GTS 4.0
2013-2016 Porsche Boxster Black Edition, S, Spyder
2014-2016 Porsche Cayman Black Edition, GT4, GTS, S

Specifications

Brand K&N Engineering
Manufacturer Part Number E-0666
Product Type Air Filters - Drop In
Fitment Type Vehicle Specific
Condition New

What's Included

One new K&N air filters - drop in identified by manufacturer part number E-0666. 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

Frequently Asked Questions

How do I confirm K&N E-0666 fits my vehicle?
Match the year, make, and model in the fitment table, then confirm the engine, factory housing, sensor layout, emissions notes, and any application restrictions stated for this exact part.

Is K&N E-0666 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 E-0666?
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

  • Direct drop-in replacement no modifications needed
  • Fits factory airbox uses OEM mounting points no extra hardware required
Air Filters

Air Filters

Performance Air Filters and Replacement Filters This collection covers filtration for factory air boxes, aftermarket intake systems, custom intake tubing, crankcase ventilation and vehicle HVAC systems. Start with the installation type, then confirm the exact manufacturer part number, filter media, dimensions and application shown on the product page. Similar-looking filters are not automatically interchangeable. Choose the Correct Air Filter Type Direct-fit and drop-in filters: shaped for a specific factory air box or listed intake system. Universal clamp-on filters: selected by flange inside diameter, base and top dimensions, height and available clearance. Cabin and HVAC filters: vehicle-specific filters for air entering the passenger compartment. Breather filters: compact filters for compatible valve-cover, crankcase-vent and catch-can applications. Pre-filters and wraps: outer covers designed for compatible primary filters in dusty, sandy or wet environments. Velocity...

View Air Filters Products
Air Filters - Drop In

Air Filters - Drop In

Drop in air filters and replacement panel filters for cars, trucks, SUVs, and Jeeps are stocked at Black Ops Auto Works. Shop reusable and dry media panel filters that fit directly into your factory air box from K&N, aFe, AEM, Injen, BMC, and GReddy for vehicles ranging from Corvette and Mustang to Porsche, BMW, and Ford Super Duty diesel trucks. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct filter ships the first time. Black Ops Auto Works carries 1,453 drop in air filter SKUs across dozens of vehicle platforms. What This Category Covers Drop in air filters replace the factory paper filter element inside your existing air box without changing the intake tubing or housing. This collection spans reusable oiled cotton filters, dry synthetic media filters, and OEM style replacement panels sized to fit factory air box dimensions across nearly every make and model. Reusable and Dry Media Options Reusable oiled cotton filters from K&...

View Air Filters - Drop In Products
K&N Engineering

K&N Engineering

Shop K&N Engineering cold-air intakes, performance air filters, oil filters, cabin filters, universal filters, filter wraps, cleaning kits, and intake accessories at Black Ops Auto Works. The complete K&N collection covers cars, trucks, SUVs, diesel vehicles, motorcycles, ATVs, UTVs, marine engines, industrial equipment, racing applications, and custom intake systems. K&N Cold-Air Intake Systems K&N AirCharger, NextGen, Typhoon, and other performance intake systems replace selected factory airbox, filter, and intake-tube components. Depending on the application, a system may include a molded or metal intake tube, heat shield or enclosed airbox, washable filter, couplers, clamps, brackets, mounting hardware, and provisions for factory sensors or ventilation connections. K&N tests vehicle-specific intake systems and publishes dyno information for individual part numbers. Horsepower, torque, sound, and airflow results are application-specific. Use the test data for ...

View K&N Engineering Products
Porsche Parts & Accessories

Porsche Parts & Accessories

Porsche parts and accessories for 911, Cayman, Boxster, 718, Macan, Cayenne, and Panamera models are stocked at Black Ops Auto Works. Shop exhaust systems, sport cats, downpipes, muffler bypass pipes, X-pipes, valve controllers, coilovers, sway bars, shocks and struts, brake pads, rotors, caliper rebuild kits, carbon fiber vents and trim, intake filters, cooling parts, drivetrain upgrades, and engine components for chassis codes 996, 997, 991, 992, 986, 987, 981, 982, 964, 993, 955, 957, 958, and 944 Turbo. Every product is filterable by year, make, model, chassis code, and trim so the correct part ships the first time. Black Ops Auto Works carries 1,407 Porsche SKUs across exhaust, suspension, brakes, exterior, cooling, and drivetrain categories. What This Collection Covers Porsche has produced distinct 911, Cayman, Boxster, Macan, Cayenne, and Panamera platforms across multiple chassis generations, and fitment does not carry over between them. This collection groups parts conf...

View Porsche Parts & Accessories Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×