{"product_id":"k-n-cold-air-intake-system-57i-4000","title":"K\u0026N Cold Air Intake System (MPN: 57i-4000)","description":"\u003ch2\u003eEnhance engine performance with reduced air restriction and improved airflow.\u003c\/h2\u003e\r\n\u003cp\u003eThe K\u0026amp;N Cold Air Intake System is designed to optimize the air intake process for select non-US Subaru Impreza models. This performance air intake system features a black polyethylene tube that is rotationally molded to minimize air temperature and reduce intake noise compared to traditional metal tubes. By replacing the factory air path, this system eliminates restrictions that can hinder engine performance, allowing for a more efficient airflow that translates into increased horsepower.\u003c\/p\u003e\r\n\u003cp\u003eK\u0026amp;N's induction kits are built with a washable cotton gauze filter that provides superior filtration while maintaining high airflow rates. The system is engineered to drive a significant volume of air into the engine, enhancing combustion efficiency and overall power output. With a straightforward installation process estimated at just one hour, this intake system is a practical upgrade for those seeking to improve their vehicle's performance.\u003c\/p\u003e\r\n\u003cp\u003eK\u0026amp;N stands behind their products with a million-mile limited warranty, ensuring long-lasting reliability and performance. For specific application data, it is recommended to refer to the K\u0026amp;N website, as this system is tailored for specific vehicle models.\u003c\/p\u003e\r\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003eManufacturer: K \u0026amp; N Filters\u003c\/li\u003e\r\n    \u003cli\u003eManufacturer Part Number: 57i-4000\u003c\/li\u003e\r\n    \u003cli\u003eRecommended Use: Performance\u003c\/li\u003e\r\n    \u003cli\u003eTube Finish: Natural\u003c\/li\u003e\r\n    \u003cli\u003eTube Color: Black\u003c\/li\u003e\r\n    \u003cli\u003eTube Material: Polyethylene\u003c\/li\u003e\r\n    \u003cli\u003eFilter Color: Red\u003c\/li\u003e\r\n    \u003cli\u003eEstimated Install Time (Hours): 1\u003c\/li\u003e\r\n    \u003cli\u003eFilter Material: Cotton Gauze\u003c\/li\u003e\r\n    \u003cli\u003eProtection Type: Heat Shield\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eTechnical Documents\u003c\/h3\u003e\n\u003cul\u003e\r\n    \u003cli\u003e\u003ca href=\"https:\/\/vehiclepartimages.com\/PMDT\/KNF\/InstallationInstructions\/57I-4000_inst.pdf\" target=\"_blank\"\u003e57I-4000_inst.pdf\u003c\/a\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n","brand":"NTP-Stag","offers":[{"title":"Default Title","offer_id":47924743143663,"sku":"K3357I4000","price":434.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1583\/3619\/files\/ImageServerAPI_2dd4b9c0-57ed-42cc-a553-2b6288e6ea32.jpg?v=1773025993","url":"https:\/\/www.sprinterpartsdepot.com\/products\/k-n-cold-air-intake-system-57i-4000","provider":"Sprinter Parts Depot","version":"1.0","type":"link"}