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K&N X-Stream airflow top plates have been designed to replace the top of your existing round filter, thereby, adding additional filter surface area for increased airflow. The addition of this component also redirects airflow inside the filter to pull-in more air for even greater performance efficiency. Cleanable and reusable, the X-Stream airflow top filters deliver the best protection available for your engine and are offered in a wide range of applications. The filter top has a 9 in. outside diameter featuring durable black powdercoated trim with K&N logos embossed around the rim. Order the K&N X-Stream airflow top plate designed to fit your application needs.
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K&N offers these air cleaner top plates for many air cleaner applications. Many different styles, shapes, and designs are available.
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$329.99
K&N velocity stack air cleaners are designed for engines with the traditional round air cleaner housing and help provide more airflow to increase performance. These complete air filter assemblies consist of an open 360-degree, free-breathing Filtercharger element on top of a stainless steel or steel (application dependent) velocity stack base that features a polished or chrome mirror-like finish for added style under the hood. To maintain the filter, simply wet or roll in cleaning solution, hose the filter off, let it dry, reapply air filter oil, and reuse again. The air must flow—and it will when you order the K&N's velocity stack air cleaners best suited for your application!
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$157.99
K&N air filter assemblies use a surgical cotton fabric element soaked in oil as their tack barrier. Sandwiched between layers of aluminum screen wire, the square holes in the cotton catch tumbling air and straighten it out. Since air moving in a straight line flows faster, these filters can actually improve airflow. Assemblies include an element and top and bottom plates and are available in several sizes and styles.
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$157.99
On Sale
The K&N Black Series synthetic air filter elements feature oil-free DRYFLOW synthetic media. These low-restriction air filters are designed and manufactured for a wide variety of applications. Best of all, they can easily be washed by using K&N synthetic air filter cleaner (sold separately). The air must flow--and it will when you order the K&N Black Series DRYFLOW universal air filter elements best suited for your application!
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These K&N PreChargers are filter wraps specially designed to extend the service interval of your K&N Filtercharger when used in very dusty conditions. They are made from durable polyester material containing a uniform weave, and will stop small dirt particles with minimal restriction to the airflow of the filter. They're designed to be run dry and can be cleaned with K&N Filter Cleaner. These wraps are custom-made to fit each application, and double-stitched elastic openings ensure that they will stay in place. PreChargers are available in a variety of colors and come with a silk-screened K&N PreCharger logo.
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K&N Airforce precleaners are specially designed foam filter wraps made to help extend the service interval of your K&N air filter when used in dusty and other conditions where small particles may be more present. They are designed for use with K&N filter oil and should be cleaned with K&N cleaner or soap and water. The red Airforce wraps are oiled with K&N air filter oil after they are cleaned and are made from large, open cell foam. The gray Airforce pre-cleaners have smaller foam cells and do not use oil. The air must flow--and it will when you order the K&N Airforce precleaner foam air filter wraps best suited for your application!
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$49.99
On Sale
K&N washable lifetime performance air filters are designed to increase horsepower and acceleration while providing excellent filtration. K&N makes over 1,400 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable--and are custom-designed to fit into your existing factory air box. Their drop-in design means that adding performance is simple. With most vehicles, you simply remove the disposable air filter and replace it with one of these K&N air filters. Find the model designed for your specific vehicle application.
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K&N Flow Control air cleaners utilize a specially designed base in combination with a unique lid, featuring a tongue or protrusion that is designed to reduce intake turbulence. The resulting smooth, laminar flow enhances cylinder filling, horsepower, and torque. The filter element is the world famous K&N Filtercharger, for the ultimate in flow and filtration.
Not Yet Reviewed
$329.99
On Sale
All of K&N's custom air filter assemblies include K&N's world-famous washable, reusable Filtercharger elements. These assemblies are available in many different sizes and styles, so there is sure to be one that suits your needs.
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$199.99
On Sale
K&N marine flame arrestors feature a unique oiled cotton gauze and epoxied screen filter element. Through test after test, they have withstood a wide range of marine punishments: backfire, vibration, moisture, salt spray, rust and corrosion. They satisfy Coast Guard regulations while offering critical engine protection. Who could ask for more?
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K&N RK Series air filter assemblies are a remarkable combination of performance and style. They are custom designed for your cruiser, machined from billet aluminum, and offered in two unique styles. These complete, ready-to-use assemblies are also available in a choice of finishes to complement the style of your Harley® motorcycle. If you're looking for an aggressive appearance and a significant increase in airflow that results in more power, than these high-flow filter setups are exactly what you need. Order the K&N RK Series air filter assemblies best suited for your application.
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$290.82
These K&N DryChargers are silicone-treated polyester wraps that are made to cover your K&N personal watercraft Flame Arrestor. These DryChargers, which are similar to the K&N PreChargers, contain uniform micron-sized openings that allow for optimum airflow. Yet, due to their silicone-treated polyester material, the amount of water that reaches the Flame Arrestors is limited. They have a sewn-in elastic opening that securely fastens them to the Flame Arrestor. Now, you won't be hung out to dry after submerging your PWC.
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$19.99
The "next generation of air intake technology" K&N 50 Series NextGen cold air intake kits are precisely engineered for your vehicle, enhancing the style of your engine bay while increasing horsepower, torque, and airflow. Every detail of the intake system is thoughtfully designed to deliver performance, plus make the installation process DIY-friendly. NextGen cold air intakes are dyno-tested to provide a guaranteed increase in horsepower and torque on your engine's stock tune, and they are back by K&N's 55+ years of engine protection. Enjoy the roar of your engine on acceleration without any drone at cruising speeds; select the K&N 50 Series NextGen cold air intake kit designed for your vehicle. NextGen CAI details: * High-density polyethylene (HDPE) rotationally molded tube helps increase the volume of airflow to your engine and provides an increase in horsepower and torque with no tune required * Custom NextGen hybrid air box design incorporates an enlarged factory fresh air inlet for more airflow and lower inlet air temperatures * Easy-view open top for quick filter access * Oversized performance high-flow air filter, washable and reuseable, provides added surface area to flow more air and hold more dirt * Quick Lock air filter technology allows the filter to snap into place, and a sealing bead secures the system with just one hose clamp * CAD-designed large diameter tube with integrated airflow channels force an increase in velocity of air into your engine
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On Sale
Adding more cfm of airflow through your carburetor is as easy as replacing your existing air cleaner with one of these K&N X-Stream airflow assemblies. They allow air to enter smoothly from the top, which helps to draw more air in from the sides. That means that you get more airflow headed down the carburetor or throttle body and into the combustion chamber. If you are a serious racer, or just need more airflow, then you need to get K&N air filters.
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K&N air filter bases are just what you need to build that custom air cleaner assembly. K&N air filter bases are available separately for replacement or special applications to top-off any engine.
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K&N offers a wide selection of air intake adapters in a variety of diameters and lengths for repair work, replacements, and do-it-yourself racers particular about their builds. They feature quality materials and are engineered to provide top-notch performance. The air must flow--and it will when you order the K&N air intake rubber hose adapters best suited for your application!
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$25.99
On Sale
K&N's universal performance air filters are designed and manufactured for a wide variety of applications, including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and more. Many hundreds of models are are available, so regardless of the angle or offset diameter of your air intake, there is likely a K&N universal air filter for your equipment. All filters are constructed with ultra-strong, molded, pliable rubber flanges, which absorb vibration, allow for secure attachment, and can be stretched for up to 1/16 in. (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable. Order the style and size that best suits your needs.
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