{"product_id":"jb4-tuner-for-toyota-highlander-crown-vellfire","title":"JB4 Plug \u0026 Play Piggyback ECU Tuning Box for Toyota 2.4-litre Turbo Highlander, Crown \u0026 Vellfire (2023-on)","description":"\u003cp\u003eUnlock responsive, reliable power from your 2023+ Toyota Highlander, Crown or Vellfire 2.4L turbo with the JB4 plug and play tuner from Nforcd. Designed as a sophisticated piggyback ECU upgrade, the JB4 delivers proven gains of up to 40 hp at the wheels (around 55 hp at the crank) on a stock vehicle running premium petrol, all without flashing the ECU and fully compatible with locked ECUs.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eNo ECU flash required plug and play harness for quick install and removal, works with locked ECUs\u003c\/li\u003e\n  \u003cli\u003eUp to 40 whp on a stock car with premium fuel, helping improve 0-60 and quarter-mile performance\u003c\/li\u003e\n  \u003cli\u003ePreloaded performance maps with on-the-fly switching, including ethanol E85 compatible options\u003c\/li\u003e\n  \u003cli\u003eBuilt-in data logging and fault code read\/clear, plus boost by gear and progressive water\/methanol support\u003c\/li\u003e\n  \u003cli\u003eOptional Bluetooth smartphone connectivity via JB4 PRO app to monitor up to 40 parameters, adjust maps and update firmware\u003c\/li\u003e\n  \u003cli\u003eNot VIN locked, supplied in a rugged billet aluminium enclosure, made in the USA with a 5-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe JB4 integrates via CANbus OBDII for smooth, factory-like drivability and works across all driving modes. Fuel economy remains unchanged during normal driving, and no additional modifications are required to enjoy the performance benefits.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle fitment\u003c\/strong\u003e\u003cbr\u003e\nToyota Highlander 2023+ 2.4L 4-cyl turbo LE, XLE, XSE\u003cbr\u003e\nToyota Crown 2023+ 2.4L 4-cyl turbo XLE, Limited, Platinum\u003cbr\u003e\nToyota Vellfire 2023+ 2.4L 4-cyl turbo\u003c\/p\u003e\n\n\u003cp\u003eNforcd knows the JB4 well and it continues to be a popular Toyota 2.4 turbo tuning upgrade for customers seeking safe, repeatable gains with easy reversibility. Order online today, or if you prefer professional installation, fitting is available at Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com.\u003c\/p\u003e","brand":"Burger Motorsports","offers":[{"title":"Default Title","offer_id":55463260881281,"sku":null,"price":687.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/9465\/6700\/files\/JB4-Tuner-12_5f4712ae-3047-43d1-8020-d256916679a5.jpg?v=1774347319","url":"https:\/\/www.nforcd.com\/products\/jb4-tuner-for-toyota-highlander-crown-vellfire","provider":"Nforcd","version":"1.0","type":"link"}