{"product_id":"k-n-rubber-air-intake-hose-4in-to-3-5in-id-coupler","title":"K\u0026N Rubber Air Intake Hose 4in to 3.5in ID Coupler","description":"\u003cp\u003eThis K\u0026amp;N rubber air intake hose is engineered for custom and modified air intake systems, offering reliable performance and durability. The hose features a moulded rubber coupler construction that transitions from 4 inches down to 3.5 inches inside diameter, making it ideal for joining various intake piping configurations.\u003c\/p\u003e\u003cp\u003eBuilt to withstand engine bay temperatures and vibration, the flexible rubber design accommodates minor misalignment whilst maintaining a secure seal. This component is particularly popular with DIY racers and tuning enthusiasts constructing bespoke intake setups or upgrading OEM systems for improved airflow and throttle response.\u003c\/p\u003e\u003cp\u003eThe moulded construction ensures consistent wall thickness and eliminates weak points. Installation is straightforward for those with basic automotive experience, and the hose integrates seamlessly with standard hose clamps and fittings. Ideal for naturally aspirated and turbocharged applications seeking reliable intake plumbing without the premium price tag of full kit solutions.\u003c\/p\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56628913865084,"sku":"08050","price":16.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/08050.jpg?v=1776081006","url":"https:\/\/fdracing.co.uk\/products\/k-n-rubber-air-intake-hose-4in-to-3-5in-id-coupler","provider":"FD Racing","version":"1.0","type":"link"}