Add some additional style and efficiency to your existing Mishimoto Performance Air Intake! This powdercoated, black airbox will divert more cold outside air into your Mishimoto intake! Made from durable steel and given a light glossy powdercoat, this airbox will also add a nice touch to your engine bay. And in some cases, provide a more accurate MAF reading for more reliable datalogging and tuning! The airbox comes with all additional protective edge strips and hardware to guarantee a clean install! If used with the stock plastic intake duct, a template is provided for accurate trimming. As with all our products this airbox includes the Mishimoto Lifetime Warranty.This Part Fits: Year Make Model Submodel 2015-2020 Subaru WRX STI Base 2015 Subaru WRX STI Launch Edition 2015-2020 Subaru WRX STI Limited 2016 Subaru WRX STI Series.HyperBlue

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine.Installation InstructionsTechnical BulletinTechnical Bulletin

The K&N Powerlid eliminates restrictive ATV intake snorkels by replacing the stock air box lid with a high airflow filter lid. The Powerlid works in conjunction with a K&N replacement air filter (sold separately) to provide excellent filtration with less restriction allowing increased airflow for more horsepower. The POWERLID snaps in place with no air box modification necessary. All K&N Powerlids come with a PreCharger filter wrap for the lid and a carburetor jet selection kit if required.This Part Fits: Year Make Model Submodel 2004-2008 Arctic Cat DVX 400 Base 2006-2007 Arctic Cat DVX 400 TS Base 2003-2006 Kawasaki KFX400 Base 2003-2009,2012-2013 Suzuki LT-Z400 QuadSport Z Base 2012 Suzuki LT-Z400 QuadSport Z LE Base

K&N Powersports Cartridge Oil Filters are designed to satisfy the needs of racers and engine builders as well as the average motorcycle or ATV owner who wants the best oil filter available. K&N Powersports Oil Filters trap harmful contaminants while the filter's construction allows for high oil flow rates. K&N Oil Filters are covered by a limited warranty to be free from defects in materials and workmanship when installed and replaced using engine and equipment manufacturer's recommended service intervals.This Part Fits: Year Make Model Submodel 2001-2003,2006-2007 Aprilia ETV 1000 Caponord Base 2002,2004 Aprilia RST1000 Futura Base 2005-2009 Aprilia RSV 1000 R Base 2005-2009 Aprilia RSV 1000 R Factory Base 2000-2002,2004 Aprilia RSV Mille Base 2000-2002,2004 Aprilia RSV Mille R Base 2003 Aprilia RSV Mille R Haga Base 2004 Aprilia RSV Mille R Nera Base 2000 Aprilia RSV Mille SP Base 2001,2003 Aprilia SL1000 Falco Base 2006-2010 Aprilia Tuono 1000 R Base 2006,2008 Aprilia Tuono 1000 R Factory Base 2003 Aprilia Tuono Fighter 1000 Base 2009-2010 Buell 1125CR Base 2009-2010 Buell 1125R Base 2008 Can-Am Spyder GS (SE5) Base 2008-2009 Can-Am Spyder GS (SM5) Base 2009-2012 Can-Am Spyder RS (SE5) Base 2009-2012 Can-Am Spyder RS (SM5) Base 2010-2012 Can-Am Spyder RS-S (SE5) Base 2011-2012 Can-Am Spyder RS-S (SM5) Base 2010-2011,2013 Can-Am Spyder RT (SE5) Base 2010-2012 Can-Am Spyder RT (SE5) Audio/Convenience Base 2010-2013 Can-Am Spyder RT (SM5) Base 2010-2012 Can-Am Spyder RT (SM5) Audio/Convenience Base 2010-2013 Can-Am Spyder RT Limited (SE5) Base 2012-2013 Can-Am Spyder RT-S (SE5) Base 2012-2013 Can-Am Spyder RT-S (SM5) Base

Spectre's polished aluminum inline airbox with air filter has a 3 inch inlet and outlet. This cylindrical air box has an outside diameter of 4 inches. It allows you to create a custom air intake that feeds the engine cool outside air for more power.

Spectre's polished aluminum inline airbox with air filter has a 4 inch inlet and outlet. This cylindrical air box has an outide diameter of 5 inches. It allows you to create a custom air intake that feeds the engine cool outside air for more power.

Add some additional style and efficiency to your existing Mishimoto Performance Air Intake! This powdercoated, black airbox will divert more cold outside air into your Mishimoto intake! Made from durable steel and given a light glossy powdercoat, this airbox will also add a nice touch to your engine bay. And in some cases, provide a more accurate MAF reading for more reliable datalogging and tuning! The airbox comes with all additional protective edge strips and hardware to guarantee a clean install! If used with the stock plastic intake duct, a template is provided for accurate trimming. As with all our products this airbox includes the Mishimoto Lifetime Warranty.This Part Fits: Year Make Model Submodel 2015-2021 Subaru WRX Base 2015-2021 Subaru WRX Limited 2015-2021 Subaru WRX Premium

The K&N Powerlid eliminates restrictive ATV intake snorkels by replacing the stock air box lid with a high airflow filter lid. The Powerlid works in conjunction with a K&N replacement air filter (sold separately) to provide excellent filtration with less restriction allowing increased airflow for more horsepower. The POWERLID snaps in place with no air box modification necessary. All K&N Powerlids come with a PreCharger filter wrap for the lid and a carburetor jet selection kit if required.This Part Fits: Year Make Model Submodel 2006-2009,2012-2014 Honda TRX450ER Electric Start Base 2006-2009,2012 Honda TRX450R Base

K&N Drag Racing Base Mount Scoop Filters - Now you can protect the motor in your drag car from dust and debris on the track and in the pits with this base mount scoop filter. Designed to fit specific scoop designs popular to drag racing today.Installation Instructions

K&N Drag Racing Base Mount Scoop Filters - Now you can protect the motor in your drag car from dust and debris on the track and in the pits with this base mount scoop filter. Designed to fit specific scoop designs popular to drag racing today.Installation Instructions

K&N Drag Racing Base Mount Scoop Filters - Now you can protect the motor in your drag car from dust and debris on the track and in the pits with this base mount scoop filter. Designed to fit specific scoop designs popular to drag racing today.Installation Instructions

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine.Installation InstructionsTechnical Bulletin

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine.Installation InstructionsTechnical Bulletin

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine.Installation InstructionsTechnical BulletinTechnical Bulletin

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine.Installation InstructionsTechnical BulletinTechnical Bulletin

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine.Installation InstructionsTechnical BulletinTechnical Bulletin

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine.Installation InstructionsTechnical BulletinTechnical Bulletin

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine.Installation InstructionsInstallation InstructionsTechnical BulletinTechnical Bulletin

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine.Installation InstructionsTechnical BulletinTechnical BulletinTechnical Bulletin

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine.Installation InstructionsTechnical BulletinTechnical Bulletin

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine.Installation InstructionsTechnical BulletinTechnical Bulletin

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine.Installation InstructionsTechnical BulletinTechnical Bulletin

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine.Installation InstructionsTechnical BulletinTechnical Bulletin

Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine.Installation InstructionsTechnical BulletinTechnical Bulletin

The K&N Flow Control System is engineered to maximize engine breathing with its custom-designed base and innovative lid that minimizes intake turbulence. This flow control assembly from K&N is perfect for engines with round element air cleaner housings, delivering superior cylinder filling and enhanced horsepower and torque.Key Features Custom-engineered base and unique lid design provide smooth, laminar airflow Improves cylinder filling, boosting horsepower and torque Incorporates the world-famous K&N air filter element for top-notch filtration and performance Washable and reusable design for long-lasting reliability Ideal for engines featuring round element housings Available in variants, including the popular K&N round assembly option Specifications Size: 14 Inch Air Filter Color: Red Neck Flange: 5.125 in Filter Material: Premium cotton gauze Top Plate: Chrome-finished for added durability Inlet/Outlet Diameter: Optimized for maximum airflow For more reliable K&N Engineering parts, explore our collection at K&N Engineering.For detailed guidance, please refer to the Installation Instructions.

K&N's custom air cleaner assemblies are designed with the racer in mind. They incorporate good looks as well as the superior air flow that you expect from K&N. These custom air cleaner assemblies are designed for use with any engine that uses a round element air cleaner housing. They incorporate our famous K&N Air Filters and provide more air flow than other assemblies of this type. Available in 4 different designs, the perfect assembly is sure to be found here. Each complete assembly comes with base, element, and top plate.Installation Instructions

Experience peak engine performance with K&N’s custom round air filter assembly. Designed for those who demand enhanced airflow and increased horsepower, this assembly is perfect for any engine equipped with a round element air cleaner housing. When you purchase a K&N round air filter, you’re choosing a product that effortlessly combines cutting-edge style with exceptional efficiency.Key Benefits Superior airflow that improves engine performance and efficiency. Custom-engineered design featuring genuine K&N air filter elements. Durable construction for long-lasting performance, even under demanding conditions. A sleek appearance that enhances your vehicle’s aesthetics. Optimized for a range of vehicles, from light-duty trucks to high-performance machines. Specifications 14″ ID: Precision-engineered inner diameter for an optimal fit. 4–12″ Overall Height: Versatile sizing to meet various engine configurations. 5.125″ Neck Flange: Provides a secure and stable mounting surface. 7/8″ Drop: Improves cooling efficiency and overall performance. For more details about K&N products, visit our K&N Engineering collection. To ensure a smooth installation, refer to our Installation Instructions. Enjoy the perfect blend of style, performance, and reliability that only K&N delivers.

Experience enhanced airflow and optimized performance with K&N's custom air cleaner assemblies – engineered for racers and performance enthusiasts. Designed to deliver superior airflow and an eye-catching appearance, these assemblies offer a cost-effective upgrade for any engine that uses a round element air cleaner housing. Enjoy the benefits of reduced maintenance costs with a durable, reusable design that sets new standards in engine efficiency.Key Benefits Enhanced Airflow: Our design features premium K&N Air Filters that provide greater airflow than generic assemblies, contributing to potential horsepower and acceleration gains. Cost-Effective: The reusable construction means fewer replacements and lower overall maintenance expenses. Versatile Design: Offered in four distinct styles to ensure you get the perfect assembly to match your vehicle’s needs. Sleek Appearance: Combines great looks with high performance, making it a win-win for racers and enthusiasts alike. Specifications 12in ID – Maximizes air intake for improved performance. 3.063in Height – Ensures compatibility with a wide range of engine designs. 5.125in Neck Flange – Provides a secure and stable connection. 7/8in Drop Base – Optimized for enhanced efficiency and streamlined installation. Installation & CompatibilityThis assembly is easy to install on any engine that utilizes a round element air cleaner housing. Its precision-engineered design guarantees a secure fit, making it an ideal OEM-compatible upgrade. For additional high-performance air intake solutions, explore our K&N Engineering collection or check out our curated Air Intake Systems to find the perfect match for your setup.

Experience high-performance airflow with this K&N custom air cleaner assembly, engineered to boost engine efficiency and add a sporty look to your ride. Designed for racers and performance enthusiasts, this flat base air cleaner assembly incorporates advanced design elements from K&N, ensuring maximum airflow and a perfect fit for any engine using a round element air cleaner housing.Key Specifications 5-1/8" inner diameter (ID) 14" outer diameter 1.5" overall thickness (O/S) Complete assembly includes base, element, and top plate Available in four stylish designs Product Benefits Enhances engine performance by improving airflow Crafted as a genuine K&N air cleaner, ideal for those seeking to purchase a trusted K&N air cleaner online or looking to upgrade their current setup An excellent match for any vehicle requiring a 5-1/8in air cleaner solution or K&N performance air cleaner Quality and ConvenienceThis assembly is brand new, unused, unopened, and undamaged in its original packaging. Enjoy peace of mind with a 1-year manufacturer warranty and free delivery within 2-4 days.Explore more K&N selections in our K&N Engineering collection and elevate your vehicle’s performance today.

This custom K&N air cleaner assembly is engineered to provide enhanced airflow and improved engine performance. Designed with racers and enthusiasts in mind, this complete kit leverages renowned K&N technology to boost horsepower potential while ensuring optimal engine efficiency. Its precision design—including a 5-1/8 inch flange—fits any engine using a round element air cleaner housing.Features & Benefits• Superior airflow that contributes to increased horsepower• Custom design merging aesthetics and functionality• Complete kit components: base, element, and top plate• Improved engine efficiency and performance• Precision engineering with a 5-1/8 inch flange for a flawless fitDetailed Specifications• Designed for any engine with a round element air cleaner housing• Built using high-quality K&N Air Filters for ultimate durability• Racer-optimized performance that balances appearance and function• Easy to install and maintain, allowing for seamless integration with your vehicleFor best performance, follow K&N’s installation guidelines. Ensure proper alignment and secure mounting of each component to maintain efficiency and performance without compromise. Regular maintenance will keep your engine running strong and maximize the benefits of this custom air cleaner assembly.Upgrade your vehicle’s performance today and experience the difference that quality and precision can make. Explore more innovative parts in our K&N Engineering collection for a complete performance upgrade.

Experience a racing upgrade with K&N’s custom 14-inch red air cleaner assembly. Designed specifically for engines with round-element air cleaner housings, this innovative assembly improves airflow and increases horsepower—giving you the competitive edge on the track while keeping your engine cool and efficient.Product Details Superior airflow for enhanced engine efficiency and performance Increases horsepower for an exhilarating racing experience Washable and reusable design minimizes long-term maintenance costs Includes a genuine K&N air filter for proven reliability Engineered for racing performance to handle high-demand conditions Specifications Inlet Diameter: 5.125 inches Overall Dimensions: 14-inch outer diameter, 3.75-inch height with a 1.25-inch drop base Material & Finish: Durable red cotton gauze filter paired with a chrome top for lasting style and performance Additional Features: Lightweight design with included mounting hardware and a limited lifetime warranty For detailed setup and installation instructions, please refer to our Installation Instructions.Looking for more high-performance upgrades? Discover additional premium parts in our K&N Engineering collection.

Elevate your racing performance with a custom air cleaner assembly designed specifically for high-performance engines. Engineered to maximize airflow while delivering an eye-catching look, this K&N custom air cleaner assembly accommodates engines with a round element air cleaner housing. It provides the enhanced intake needed to boost horsepower, improve throttle response, and give you a competitive advantage on the track—all while reflecting the renowned quality and durability of K&N products.Key Features Delivers superior engine airflow for increased horsepower and overall performance. Compatible with any engine featuring a round element air cleaner housing. Complete assembly includes a base, element, and top plate for effortless installation. Washable and reusable design ensures long-lasting value and reliable performance. Offered in four distinct designs, allowing you to choose the style that best suits your racing needs. Product Specifications Inner Diameter (ID): 5.125 inches Outer Diameter (OD): 14 inches Height: 3.87 inches Color: Red Constructed with durable materials to stand up to the rigorous demands of racing Features a high-efficiency K&N air filter for optimal performance Experience the perfect combination of style and engineering precision with this premium assembly. Crafted for racing enthusiasts seeking the ultimate performance upgrade, it stands out as a practical, high-performance solution. To discover more K&N innovations, visit our K&N Engineering collection.

Enhance your engine’s performance with our custom air cleaner assemblies from K&N. Designed with the racer and performance enthusiast in mind, these assemblies provide exceptional airflow and durability, ensuring your engine breathes easier and runs stronger. Expertly engineered for any engine using a round element air cleaner housing, these filters set a new standard in performance and reliability.Features & Benefits Improved airflow for noticeable performance gains Engineered with the innovative K&N Custom Round Filter design Superior durability with a robust base, high-performance element, and secure top plate Universal fit for a variety of engine types and round air cleaner housings Available in four distinct designs to perfectly match your style and requirements Technical Specifications Dimensions: 5-1/8 in flange, 11 in diameter, 6-1/4 in height Complete assembly includes base, element, and top plate for easy installation and maintenance Designed to meet the demands of both street and race applications, including the renowned K&N round air filter 5-1/8in flange Upgrade your ride by choosing the performance and quality of K&N. Don’t miss the opportunity to buy the K&N Custom Round Filter—order your K&N Custom Filter online now and experience the difference. Explore more innovative products in our K&N Engineering collection for additional performance upgrades.

Experience the ultimate boost in your engine's performance with this precision-engineered K&N air cleaner assembly. Designed specifically for racers and performance enthusiasts, this product features unique dimensions (5-1/8 in FLG, 11 in Dia, 4-3/4 in H with VENT) that deliver improved airflow and a noticeable horsepower increase. Its distinctive vent design not only enhances engine cooling but also adds a bold, high-performance aesthetic to your ride.Key Benefits• Superior airflow that maximizes engine performance and horsepower• Washable, reusable K&N filters that provide long-lasting value• Unique vent design for optimal cooling during high-demand conditions• Crafted to fit any engine using a round element air cleaner housingSpecifications• Filter Inlet: 11 inches in diameter for ample air intake• Overall Assembly Height: 4-3/4 inches including the integrated vent• FLG Dimension: 5-1/8 inches ensuring a perfect fit and finish• Complete Assembly: Includes base, element, and top plate for hassle-free installationEngineered for racers and performance drivers alike, this air cleaner assembly from K&N combines functionality with style. Enhance your vehicle’s efficiency and upgrade your driving experience. For more premium K&N products, visit our K&N Engineering collection.

Experience race-ready performance with K&N’s custom air cleaner assembly, engineered for drivers demanding superior airflow and enhanced engine efficiency. Designed to fit any engine equipped with a round element air cleaner housing, this assembly combines style and function for your high-performance vehicle.Key Features Custom vent system for optimal airflow Complete assembly with base, high-performance element, and top plate Built to boost horsepower and improve engine efficiency Ideal for racing vehicles (legal for racing vehicles only) Specifications Flange Diameter: 5 1/8 inches Outer Diameter: 11 inches Height: 3 1/4 inches Construction: Premium filter materials built for durability Vent System: Integrated to enhance air intake efficiency This custom-designed air cleaner assembly not only presents a striking modern design but also delivers advanced performance metrics essential for the racetrack. Its precise dimensions and unique vent design distinguish it from standard assemblies, making it a top choice for racing enthusiasts and professional drivers alike.Elevate your vehicle’s performance and check out our range of high-quality parts in the Air Intake Systems collection for even more performance upgrades.

Experience the unmatched performance of our K&N custom air cleaner assembly, engineered specifically for racers and performance enthusiasts. Its innovative design boosts engine efficiency by delivering superior airflow while ensuring an aggressive, head-turning look.Features & Benefits Designed for engines with round element air cleaner housings for an optimal fit. Available in four distinct design options to suit your style and performance needs. Constructed with premium cotton gauze for high-performance air filtration. Enhanced airflow improves engine efficiency and responsiveness. Precisely engineered dimensions: 5-1/8″ FLG, 9″ OD, and 4-1/8″ HW/VENT. Comes complete with a robust base, high-capacity element, and top plate for long-lasting durability. Technical Specifications Overall Length (FLG): 5-1/8 inches ensuring a perfect fit. Outer Diameter (OD): 9 inches for optimal intake. Height/Vent (HW/VENT): 4-1/8 inches to maximize airflow. Filter Material: High-grade, customizable cotton gauze. Application: Ideal for racing applications, offering measurable performance improvements and efficient air intake for engines. Unlock the full potential of your vehicle with this high-performance K&N custom air cleaner assembly. Designed with precision and backed by 35 years of expertise, it’s the perfect choice for those seeking both style and functionality. For more advanced air filter solutions, explore our K&N Engineering collection.