{"product_id":"air-intake-kit-for-lexus-ls400-1990-1994-4-0l","title":"Air Intake Kit for Lexus LS400 (1990-1994) 4.0L","description":"\u003ch2\u003eHigh-Flow Air Intake Kit for 1990-1994 Lexus LS400 (1UZ-FE \/ UCF10)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Replaces the restrictive stock air box and adapts the factory MAF sensor for a 3-inch cone filter, lowering intake temperatures and improving throttle response.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock LS400 Airbox Restriction\u003c\/h3\u003e\n\u003cp\u003eThe factory air induction system on the UCF10 chassis was engineered primarily to silence intake noise for a quiet luxury ride. However, this baffled plastic airbox inherently stifles the 4.0L 1UZ-FE V8. The enclosed OEM design is highly prone to heat soak within the engine bay during extended idling or heavy driving. Furthermore, the stock routing creates turbulent, uneven airflow, limiting the engine's overall volumetric efficiency and dulling immediate throttle input.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis intake kit resolves OEM airflow limitations by introducing a direct, high-volume pathway. A precision CNC-machined aluminum Mass Air Flow (MAF) adapter provides a rigid, leak-free transition from the factory sensor to the new intake. The included dual-layer cotton gauze cone filter drastically increases available filtration surface area, allowing the 1UZ-FE to draw in cooler, denser air. By smoothing the intake tract and eliminating factory acoustic baffles, this setup optimizes airflow dynamics. The result is improved throttle response, increased low-end torque, and enhanced horsepower output. The dual-layer filter is completely washable and reusable, ensuring sustained performance.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1990-1994 Lexus LS400\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1UZ-FE \/ UCF10, UCF11\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e250 hp \/ 260 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1990 Lexus LS400 4.0L V8\u003c\/li\u003e\n  \u003cli\u003e1991 Lexus LS400 4.0L V8\u003c\/li\u003e\n  \u003cli\u003e1992 Lexus LS400 4.0L V8\u003c\/li\u003e\n  \u003cli\u003e1993 Lexus LS400 4.0L V8\u003c\/li\u003e\n  \u003cli\u003e1994 Lexus LS400 4.0L V8\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Lexus Performance Caliber\u003c\/h3\u003e\n\u003cp\u003eBy allowing the legendary 1UZ-FE V8 to breathe freely, this intake produces a deep, resonant induction growl while maintaining the reliable power and smooth acceleration expected from a flagship JDM platform.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":48225824604408,"sku":"DS-EAFFLP1RC","price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/air-intake-kit-for-lexus-ls400-1990-1994-4-0l-1.jpg?v=1775921642","url":"https:\/\/performancechiptuning.com\/products\/air-intake-kit-for-lexus-ls400-1990-1994-4-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}