{"product_id":"k-n-bmw-e90-91-93-335i-n54-engine-performance-air-intake-system-57s-2003","title":"K\u0026N BMW E90\/91\/93 335I N54 Engine Performance Air Intake System - 57S-2003","description":"\u003cp\u003eThe K\u0026amp;N Performance Airbox is designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. Replacing the restrictive factory air filter and air box allows your engine to inhale more air than with the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. A fully enclosed injection molded air box connects to the factory air intake hose.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e BMW 135i\/335i\/535i (N54). Confirm fitment with us before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 57S-2003\u003c\/p\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":50824373829771,"sku":"57S-2003","price":367.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/5084\/8395\/files\/87dbe0022336afbaa2d0ee978dfaaf69.jpg?v=1792619308","url":"https:\/\/checkout.gbmotorsstore.com\/products\/k-n-bmw-e90-91-93-335i-n54-engine-performance-air-intake-system-57s-2003","provider":"GB Motors Store ","version":"1.0","type":"link"}