{"title":"K\u0026N Filters","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eK\u0026amp;N Engineering has been at the forefront of high-performance filtration since 1969, when founders Ken Johnson and Norm McDonald developed the original oiled cotton gauze air filter from their motocross racing experience. Over 50 years later, K\u0026amp;N remains the benchmark for washable, reusable performance filtration — trusted by professional racing teams, OEM manufacturers, and everyday performance enthusiasts worldwide.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eEvery K\u0026amp;N product is engineered to deliver measurable gains in airflow, filtration efficiency, and longevity. From their iconic drop-in replacement air filters and cold air intake systems to oil filters, cabin air filters, and fuel system components, the K\u0026amp;N range covers virtually every vehicle on the road. Products are backed by K\u0026amp;N's industry-leading Million Mile Limited Warranty — a testament to the durability built into every part they make.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAt FD Racing, we stock the full K\u0026amp;N catalogue including their affiliated brands AEM, Airaid, and SPE — covering performance intakes, filtration, and engine management components for road, track, and motorsport applications.\u003c\/p\u003e","products":[{"product_id":"k-n-metal-base-plate-00283-air-filter-assembly-support","title":"K\u0026N Metal Base Plate 00283 Air Filter Assembly Support","description":"\u003cp\u003eA rigid metal mounting base designed to secure air filter assemblies in high-performance engine bays. Provides stable support for K\u0026amp;N filter cartridges and maintains optimal airflow geometry under acceleration and cornering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMetal construction for rigid mounting without flex or resonance\u003c\/li\u003e\n\u003cli\u003eDirect fit support for K\u0026amp;N air filter cartridge assemblies\u003c\/li\u003e\n\u003cli\u003eSKU 00283 specification-matched for precise engine-bay fitment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56602314441084,"sku":"00283","price":88.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/00283_1_2.jpg?v=1775571659"},{"product_id":"k-n-metal-base-plate-01518-11-inch-chrome-air-filter","title":"K\u0026N 11 Inch Chrome Air Filter 01518 Reusable Element","description":"\u003cp\u003eAn 11-inch diameter reusable chrome air filter element engineered to increase airflow while maintaining effective particulate filtration. The washable cotton-gauze media can be cleaned and re-oiled multiple times, reducing long-term consumable costs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e11 inch diameter cotton-gauze reusable filter element\u003c\/li\u003e\n\u003cli\u003eChrome-plated steel housing for durability and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eWashable and re-oilable design reduces replacement frequency\u003c\/li\u003e\n\u003cli\u003eIncreased airflow versus OEM paper filters for modest induction efficiency gains\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56602314965372,"sku":"01518","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/01518_2.jpg?v=1775571721"},{"product_id":"k-n-metal-base-plate-01988-11-inch-chrome-stainless-steel","title":"K\u0026N 11 Inch Chrome Stainless Steel Air Filter 01988","description":"\u003cp\u003eAn 11-inch universal air filter element with polished chrome and stainless steel construction. Designed for custom and retrofit applications where standard OEM housings are replaced with performance-focused induction systems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e11 inch diameter universal fit element\u003c\/li\u003e\n\u003cli\u003eChrome-plated exterior and stainless steel construction for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eReusable cotton-gauze filter media with washable lifespan\u003c\/li\u003e\n\u003cli\u003eLow-restriction design suitable for naturally aspirated and lightly boosted engines\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56602315293052,"sku":"01988","price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/01988_1.jpg?v=1775571776"},{"product_id":"k-n-polished-stainless-steel-air-filter-base-plate-03365","title":"K\u0026N Polished Stainless Steel Air Filter Base Plate 03365","description":"\u003cp\u003eA polished stainless steel mounting base plate for K\u0026amp;N air filter assemblies. Engineered to provide a corrosion-resistant, visually distinctive support structure whilst maintaining precision fitment in high-performance engine bays.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePolished stainless steel construction resists corrosion in wet climates\u003c\/li\u003e\n\u003cli\u003ePrecision-machined base plate for K\u0026amp;N filter cartridge compatibility\u003c\/li\u003e\n\u003cli\u003eSKU 03365 specification ensures OEM-level fitment accuracy\u003c\/li\u003e\n\u003cli\u003eVisible polished finish suitable for custom or show engine applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56602315817340,"sku":"03365","price":88.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/03365_3.jpg?v=1775571817"},{"product_id":"k-n-metal-base-plate-03418-polished-stainless-steel","title":"K\u0026N Polished Stainless Steel Metal Base Plate 03418","description":"\u003cp\u003eA premium polished stainless steel base plate engineered to mount and stabilise K\u0026amp;N air filter assemblies in custom induction systems. Combines corrosion resistance with a refined, polished finish for visible engine-bay applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePolished stainless steel construction for long-term corrosion resistance\u003c\/li\u003e\n\u003cli\u003eRigid metal support structure eliminates deflection under boost pressure\u003c\/li\u003e\n\u003cli\u003eSKU 03418 specification-matched for K\u0026amp;N filter cartridge compatibility\u003c\/li\u003e\n\u003cli\u003ePolished surface finish visible in custom intake configurations\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56602316046716,"sku":"03418","price":94.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/03418_3.jpg?v=1775571860"},{"product_id":"k-n-custom-racing-assembly-100-8517","title":"K\u0026N Custom Racing Assembly 100-8517 Induction System","description":"\u003cp\u003eA custom-engineered induction assembly designed to increase airflow to the engine whilst reducing intake temperatures. This racing-spec system optimises volumetric efficiency for measurable power gains across the rev range.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eK\u0026amp;N high-flow air filter element with washable cotton media for sustained performance\u003c\/li\u003e\n\u003cli\u003eCustom mandrel-bent intake piping minimises turbulence and restriction\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on fitment requires no engine bay modifications\u003c\/li\u003e\n\u003cli\u003eReusable design eliminates recurring filter replacement costs\u003c\/li\u003e\n\u003cli\u003eAssembly reference 100-8517 ensures OEM-quality construction standards\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56611842425212,"sku":"100-8517","price":1424.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/100-8517.jpg?v=1775739089"},{"product_id":"k-n-custom-racing-assembly-100-8521","title":"K\u0026N Custom Racing Assembly 100-8521 Intake System","description":"\u003cp\u003eA bespoke air intake assembly engineered to maximise volumetric efficiency and induction flow across the rev range. Custom racing configurations deliver measurable gains in power delivery and throttle response.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-flow washable cotton gauze filter element rated to 100+ mpg air flow capacity\u003c\/li\u003e\n\u003cli\u003eCustom mandrel-bent intake piping minimises turbulence and flow restriction\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on assembly—no engine bay modifications required for standard fitment points\u003c\/li\u003e\n\u003cli\u003eReusable filter media reduces long-term ownership costs versus disposable alternatives\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56611846160764,"sku":"100-8521","price":659.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/100-8521.jpg?v=1775739286"},{"product_id":"k-n-air-filter-wrap-100-8521dk","title":"K\u0026N Air Filter Wrap 100-8521DK – Reusable Protection","description":"\u003cp\u003eA washable, reusable air filter wrap designed to extend the service life of high-flow air filters by trapping larger contaminants before they reach the filter element. Maintains airflow while reducing replacement frequency.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWashable and reusable design – eliminates frequent filter replacements and reduces maintenance costs\u003c\/li\u003e\n\u003cli\u003eEngineered to work with K\u0026amp;N high-flow air filters – compatible with OEM airbox mounting points\u003c\/li\u003e\n\u003cli\u003eTraps larger dust particles upstream – protects the primary filter element and extends element lifespan\u003c\/li\u003e\n\u003cli\u003eModel 100-8521DK – fits standard intake configurations without modification\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56611847766396,"sku":"100-8521DK","price":115.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/100-8521DK.jpg?v=1775739297"},{"product_id":"k-n-custom-racing-assembly-100-8522","title":"K\u0026N Custom Racing Assembly 100-8522 – Bespoke Induction Solution","description":"\u003cp\u003eA bespoke custom racing induction assembly engineered to maximise airflow and reduce intake temperatures for enhanced engine breathing. Built to specification rather than off-the-shelf, this assembly delivers measurable gains in volumetric efficiency across the rev range.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModular construction allows customisation for specific engine bay layouts and intake manifold configurations\u003c\/li\u003e\n\u003cli\u003eReusable K\u0026amp;N air filter element rated to 99.5% filtration efficiency at 1 micron\u003c\/li\u003e\n\u003cli\u003ePolished aluminium ducting minimises turbulence and heat soak from the engine bay\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on installation with no modification to OEM engine bay structure required\u003c\/li\u003e\n\u003cli\u003eSKU 100-8522 – verify fitment against your specific vehicle platform before ordering\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56611849273724,"sku":"100-8522","price":2714.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/100-8522.jpg?v=1775739304"},{"product_id":"k-n-custom-racing-assembly-100-8558","title":"K\u0026N Custom Racing Assembly 100-8558","description":"\u003cp\u003eA bespoke high-flow induction system engineered to maximise cold air delivery to the engine bay. Custom racing assemblies reduce intake restriction and improve volumetric efficiency for measurable power and throttle response gains.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-flow design reduces intake restriction vs. OEM airbox\u003c\/li\u003e\n\u003cli\u003eWashable and reusable cotton gauze filter media rated to 100,000+ miles between services\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on fitment - requires no engine bay modifications\u003c\/li\u003e\n\u003cli\u003eSKU 100-8558 represents K\u0026amp;N's custom-spec variant for targeted applications\u003c\/li\u003e\n\u003cli\u003eEngineered for ambient air temperature reduction in the intake tract\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56611850518908,"sku":"100-8558","price":1024.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/100-8558.jpg?v=1775739308"},{"product_id":"k-n-custom-racing-assembly-100-8559","title":"K\u0026N Custom Racing Assembly 100-8559 Intake System","description":"\u003cp\u003eA bespoke high-flow intake assembly engineered to replace restrictive factory air intake systems and increase combustible oxygen delivery to the engine. Custom racing assemblies optimise airflow dynamics for measurable horsepower and throttle response gains across the RPM band.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWashable and reusable K\u0026amp;N air filter element rated for multiple service intervals\u003c\/li\u003e\n\u003cli\u003eCustom-engineered intake routing specific to SKU 100-8559 specifications\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on installation compatible with factory mounting points\u003c\/li\u003e\n\u003cli\u003eEngineered for improved cold air intake temperature control\u003c\/li\u003e\n\u003cli\u003eHigh-flow design reduces intake restriction and improves volumetric efficiency\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56611850846588,"sku":"100-8559","price":914.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/100-8559.jpg?v=1775739313"},{"product_id":"k-n-custom-racing-assembly-100-8565","title":"K\u0026N Custom Racing Assembly 100-8564 – High-Flow Intake","description":"\u003cp\u003eA custom-engineered high-flow intake assembly designed to increase volumetric efficiency and reduce intake restriction. Optimised for racing applications, this assembly delivers measurable gains in airflow and throttle response.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-flow design increases air velocity and volumetric efficiency over OEM intake pathways\u003c\/li\u003e\n\u003cli\u003eReusable, washable cotton gauze filter element – no recurring replacement costs\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on installation requires no engine bay modification\u003c\/li\u003e\n\u003cli\u003eK\u0026amp;N engineering backed by dyno-tested performance data\u003c\/li\u003e\n\u003cli\u003eSKU 100-8564 – verify compatibility with your specific engine platform before purchase\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56611879158140,"sku":"100-8564","price":694.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/100-8564_2931f81e-38d8-4336-ae98-ccdad261f455.jpg?v=1775739468"},{"product_id":"k-n-custom-racing-assembly-100-8567","title":"K\u0026N Custom Racing Assembly 100-8567 – High-Flow Induction","description":"\u003cp\u003eA bespoke high-flow induction assembly engineered to maximise cold air intake and reduce restriction through the engine bay. Custom K\u0026amp;N construction delivers measurable gains in volumetric efficiency and throttle response across the rev range.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eK\u0026amp;N washable high-flow air filter element – cleanable and reusable, maintains performance over 100,000+ miles\u003c\/li\u003e\n\u003cli\u003eCustom racing assembly configuration – optimised intake tract design reduces air temperature rise by directing cooler external airflow\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on installation – no engine management recalibration required for bolt-on fitment\u003c\/li\u003e\n\u003cli\u003eSKU 100-8567 – verified OEM-compatible part number with full K\u0026amp;N performance warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56611880108412,"sku":"100-8567","price":1009.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/100-8567.jpg?v=1775739473"},{"product_id":"k-n-custom-racing-assembly-100-8570","title":"K\u0026N Custom Racing Assembly 100-8570 Performance Induction","description":"\u003cp\u003eA custom-designed racing intake assembly engineered to maximise airflow to the engine whilst reducing intake temperatures. This high-flow solution increases volumetric efficiency for measurable gains in power and throttle response across the rev range.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-flow air intake design reduces restriction and intake air temperature\u003c\/li\u003e\n\u003cli\u003eCustom assembly SKU 100-8570 - engineered for specific engine bay fitment\u003c\/li\u003e\n\u003cli\u003eK\u0026amp;N washable cotton gauze filter element reusable and serviceable\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on installation without OEM modification required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56611881255292,"sku":"100-8570","price":869.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/100-8570.jpg?v=1775739480"},{"product_id":"k-n-air-filter-wrap-100-8576pk","title":"K\u0026N Air Filter Wrap (100-8576PK) – Reusable Pre-Filter","description":"\u003cp\u003eA washable pre-filter wrap that extends the service life of your air filter element by trapping larger dust particles before they reach the main filter media. This reduces maintenance frequency and maintains consistent airflow for optimal engine performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReusable design – washable and reusable, reducing replacement costs over time\u003c\/li\u003e\n\u003cli\u003eUniversal fitment – compatible with most K\u0026amp;N air filter housings via hook-and-loop fastening\u003c\/li\u003e\n\u003cli\u003eTraps large contaminants – captures debris before it reaches the primary filter element\u003c\/li\u003e\n\u003cli\u003eEasy installation – wraps around standard filter elements without requiring modifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSuitable for street and light track use with K\u0026amp;N air filter systems.\u003c\/p\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56611881550204,"sku":"100-8576PK","price":100.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/100-8576PK.jpg?v=1775739485"},{"product_id":"k-n-custom-racing-assembly-100-8578","title":"K\u0026N Custom Racing Assembly 100-8578 – High-Flow Intake","description":"\u003cp\u003eA performance intake assembly engineered to increase airflow to the engine whilst reducing intake temperatures. Custom-fit design optimises volumetric efficiency for measurable power and throttle response gains.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReusable high-flow air filter element rated for multiple cleaning cycles without performance degradation\u003c\/li\u003e\n\u003cli\u003eDirect airflow path design reduces intake air temperature by up to 15°C compared to stock systems\u003c\/li\u003e\n\u003cli\u003eEngineered for bolt-on installation with no engine modifications required\u003c\/li\u003e\n\u003cli\u003e100-8578 specification includes optimised plenum chamber for improved air velocity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56611882762620,"sku":"100-8578","price":529.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/100-8578.jpg?v=1775739489"},{"product_id":"k-n-custom-racing-assembly-100-8590","title":"K\u0026N Custom Racing Assembly 100-8590 Air Intake Kit","description":"\u003cp\u003eA custom-engineered air intake assembly designed to increase airflow to the engine whilst reducing intake temperatures. This racing-spec kit maximises volumetric efficiency for measurable power and throttle response gains.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eK\u0026amp;N high-flow air filter element with reusable cotton-gauze media and oil-treated construction\u003c\/li\u003e\n\u003cli\u003ePolished aluminium intake tubing reduces turbulence and intake charge temperatures\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on fitment to factory airbox mounting points—no custom fabrication required\u003c\/li\u003e\n\u003cli\u003eRacing-grade assembly (model 100-8590) engineered to OEM airflow specifications\u003c\/li\u003e\n\u003cli\u003eWashable and reusable filter element extends service life versus disposable alternatives\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56611884040572,"sku":"100-8590","price":259.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/100-8590.jpg?v=1775739495"},{"product_id":"k-n-custom-racing-assembly-100-8591","title":"K\u0026N Custom Racing Assembly 100-8591 Intake System","description":"\u003cp\u003eA custom-engineered intake manifold assembly designed to optimize airflow and boost response in high-performance racing applications. 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