{"product_id":"jb4-tuner-2025-toyota-4runner-2-4l-turbo","title":"JB4 Tuner - 2025+ 4Runner","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to +60 whp \/ 75 hp crank on a stock 4Runner\u003c\/strong\u003e — full gain on pump gas, no supporting mods required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNewest JB4 PRO platform\u003c\/strong\u003e — the most advanced plug-and-play tuner available for the 2.4L turbo 4Runner (supports hybrid + non-hybrid models)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo ECU flash — plug \u0026amp; play\u003c\/strong\u003e — installs between engine sensors and the factory ECU; never modifies or flags the ECU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJB4 PRO Bluetooth app built in\u003c\/strong\u003e — wireless iOS\/Android app for map switching, data logging, firmware updates, and live monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple tuning maps\u003c\/strong\u003e — from stock to E85 blends, plus boost-by-gear traction control and up to 40 logged parameters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully removable, not VIN locked\u003c\/strong\u003e — install and remove in minutes; transfer between vehicles or resell anytime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-year warranty, made in the USA\u003c\/strong\u003e — Burger Motorsports, the gold standard in plug-and-play turbo tuning for over a decade\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- splitnew --\u003e\n\u003cstyle\u003e\n@media (max-width:680px){\n  .sf-row { display:block !important; }\n  .sf-row td { display:block !important; width:100% !important; padding:0 0 24px 0 !important; box-sizing:border-box; }\n}\n\u003c\/style\u003e\n\u003ch2 style=\"text-align: center;\"\u003e+60 Wheel Horsepower. No Flash. No Risk.\u003c\/h2\u003e\n\u003cp style=\"text-align: center; color: #555; margin-bottom: 32px;\"\u003eThe JB4 PRO is the newest and most advanced plug-and-play tuner for the 2025+ Toyota 4Runner 2.4L Turbo — serious power without touching the ECU, with full Bluetooth monitoring and multiple built-in maps from stock to E85. Install it as your first and only mod and enjoy an entirely new, faster, smoother drive.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center; margin-bottom: 40px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/2048\/files\/JB4-PRO.jpg?v=1776494296\" alt=\"JB4 PRO tuner for 2025 Toyota 4Runner 2.4L turbo\" style=\"max-width: 70%; width: 100%; border-radius: 6px; display: inline-block;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"background: #fff8db; border: 1px solid #ffe58f; border-radius: 6px; padding: 14px 16px; margin: 0 0 40px;\"\u003e\n\u003cstrong\u003e✅ Fitment — 2025+ Toyota 4Runner 2.4L Turbo (hybrid \u0026amp; non-hybrid).\u003c\/strong\u003e Fits the 2.4L turbocharged I4 across all trims — SR5, TRD Sport, TRD Off-Road, TRD PreRunner, Limited, Platinum, and the i-FORCE MAX hybrid TRD Pro and Trailhunter. One JB4 covers the whole lineup.\u003c\/div\u003e\n\u003ctable class=\"sf-row\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 40px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 55%; vertical-align: top; padding: 0 24px 0 0;\"\u003e\n\u003ch3 style=\"margin: 0 0 12px;\"\u003eReal Tune. No Flash. No Risk to Your ECU.\u003c\/h3\u003e\n\u003cp\u003eThe JB4 isn't a throttle booster or a placebo — it actively adjusts boost pressure, ignition timing, air-fuel ratios, and fuel trims using real-time data through a full CANbus connection. That means gains comparable to an ECU flash, without ever touching the ECU or risking a bricked tune.\u003c\/p\u003e\n\u003cp\u003eInstall it, tune it, pull it — the factory ECU never knows it was there. Not VIN locked, fully transferable, fully reversible. No supporting mods required to make power.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 45%; vertical-align: top; padding: 0 0 0 8px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/2048\/files\/jb4-PRO-JB4PRO-obd2-obdii-port-plug.png?v=1773156436\" alt=\"JB4 PRO OBD2 plug installation on Toyota 4Runner 2.4L turbo\" style=\"width: 100%; border-radius: 6px; display: block;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable class=\"sf-row\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 40px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 45%; vertical-align: top; padding: 0 24px 0 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/2048\/files\/JB4-Pro-Unit.jpg?v=1773156433\" alt=\"JB4 PRO Bluetooth tuning unit for 2025 Toyota 4Runner\" style=\"width: 100%; border-radius: 6px; display: block;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 55%; vertical-align: top; padding: 0 0 0 8px;\"\u003e\n\u003ch3 style=\"margin: 0 0 12px;\"\u003eFull Bluetooth Control — JB4 PRO App Included\u003c\/h3\u003e\n\u003cp\u003eThe JB4 PRO Bluetooth connection is built right in. Connect wirelessly from your iOS or Android phone to switch maps on the fly, monitor up to 40 live engine parameters, log data, read and clear fault codes, and pull free firmware updates as Burger drops new maps.\u003c\/p\u003e\n\u003cp\u003eThe intuitive app includes help buttons and advanced log-analysis tools that estimate performance and flag any tuning concerns — everything you need, right on your phone.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"text-align: center; margin: 0 0 20px;\"\u003eDyno-Proven Gains\u003c\/h3\u003e\n\u003cp style=\"text-align: center; color: #555; margin-bottom: 16px;\"\u003e2024 Tacoma dyno shown for reference — same 2.4L turbo engine family as the 2025+ 4Runner.\u003c\/p\u003e\n\u003cdiv style=\"text-align: center; margin-bottom: 40px;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/2048\/files\/2024-2025-toyota-tacoma-dyno-horsepower-specs-towing-jb4-tuned.jpg?v=1725472389\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/2048\/files\/2024-2025-toyota-tacoma-dyno-horsepower-specs-towing-jb4-tuned.jpg?v=1725472389\" alt=\"Toyota 2.4L turbo JB4 dyno chart stock vs tuned horsepower - 4Runner Tacoma\" style=\"max-width: 80%; width: 100%; border-radius: 6px; display: inline-block;\"\u003e\u003c\/a\u003e\n\u003cp style=\"text-align: center; color: #555; margin-top: 8px;\"\u003eStock vs JB4 Dyno \u003cspan style=\"font-size: 12px; color: #888;\"\u003e(click to enlarge)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ctable class=\"sf-row\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 40px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 55%; vertical-align: top; padding: 0 24px 0 0;\"\u003e\n\u003ch3 style=\"margin: 0 0 12px;\"\u003eLoaded With Features\u003c\/h3\u003e\n\u003cul style=\"margin: 0; padding-left: 20px; line-height: 1.8;\"\u003e\n\u003cli\u003eMultiple maps for different fuel types — supports E85 blends\u003c\/li\u003e\n\u003cli\u003eBoost-by-gear control for improved traction\u003c\/li\u003e\n\u003cli\u003eImproves 0-60 and quarter-mile times\u003c\/li\u003e\n\u003cli\u003eDisplays \u0026amp; logs up to 40 live engine parameters\u003c\/li\u003e\n\u003cli\u003eReads and clears fault codes\u003c\/li\u003e\n\u003cli\u003eControls exhaust flap operation on supported trims\u003c\/li\u003e\n\u003cli\u003eFull CANbus integration — runs as smooth as stock\u003c\/li\u003e\n\u003cli\u003eNo fuel-economy hit in normal driving\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 45%; vertical-align: top; padding: 0 0 0 8px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/2048\/files\/JB4PRO-BOX-0000.jpg?v=1776493054\" alt=\"JB4 PRO 4Runner tuner box contents billet enclosure\" style=\"width: 100%; border-radius: 6px; display: block;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable class=\"sf-row\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 40px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 100%; vertical-align: middle;\"\u003e\n\u003ch3 style=\"margin: 0 0 12px;\"\u003eInstall Takes Minutes\u003c\/h3\u003e\n\u003cp\u003eThe JB4 uses a plug-and-play harness that connects between your engine sensors and factory ECU — no cutting, no soldering, no shop visit. Pull it out just as easily if you ever need to service the vehicle or transfer it to a new build.\u003c\/p\u003e\n\u003cp style=\"margin-top: 12px;\"\u003eInstall guide (PDF): \u003ca href=\"https:\/\/www.jb4tuned.com\/instructions\/Toyota_Tacoma_4Runner_JB4PRO_Guide.pdf\" rel=\"noopener\" target=\"_blank\"\u003eToyota Tacoma \/ 4Runner JB4 PRO Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 12px;\"\u003eRequires 91 octane or better for performance gains. Map 0 runs on any fuel with no performance modification.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"text-align: center; margin: 0 0 20px;\"\u003eSee It In Action\u003c\/h3\u003e\n\u003cdiv style=\"margin: 0 0 40px;\"\u003e\u003ciframe width=\"100%\" height=\"400\" src=\"https:\/\/www.youtube.com\/embed\/rSNv3203KSE\" title=\"JB4 tuner for Toyota 2.4L Turbo\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cdiv style=\"background: #f7f7f7; border-radius: 8px; padding: 24px 28px; margin-bottom: 48px;\"\u003e\n\u003ch4 style=\"margin: 0 0 8px; font-size: 1em;\"\u003e📦 What's in the Box\u003c\/h4\u003e\n\u003cp style=\"margin: 0; color: #444; line-height: 1.6;\"\u003eJB4 PRO tuner unit in billet aluminum enclosure · Plug-and-play installation harness · Built-in JB4 PRO Bluetooth connection · Access to free JB4 PRO iOS\/Android app · PDF install guide · 5-year warranty\u003c\/p\u003e\n\u003cp style=\"margin: 8px 0 0;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e 91 octane or better required for performance gains. Map 0 runs on any fuel with no performance modification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 40px 0; border: none; border-top: 1px solid #e0e0e0;\"\u003e\n\u003ch2 style=\"text-align: center; margin-bottom: 24px;\"\u003eFAQ\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%; vertical-align: top; padding: 0 24px 20px 0;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the power gains on a stock 4Runner?\u003c\/strong\u003e\u003cbr\u003eUp to +60 wheel horsepower (about 75 hp at the crank) on a completely stock 2.4L turbo running pump gas (91+ octane). More with bolt-ons, higher octane, or E85 blends.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 50%; vertical-align: top; padding: 0 0 20px 8px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it fit the hybrid i-FORCE MAX 4Runner?\u003c\/strong\u003e\u003cbr\u003eYes. This JB4 fits both the standard 2.4L turbo and the i-FORCE MAX hybrid 4Runner. The TRD Pro and Trailhunter (hybrid-only) trims are covered, right alongside every non-hybrid trim.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%; vertical-align: top; padding: 0 24px 20px 0;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWill this work on my locked ECU?\u003c\/strong\u003e\u003cbr\u003eYes. The JB4 works between engine sensors and the ECU — it never accesses, flashes, or flags the ECU itself, so a locked ECU is no obstacle.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 50%; vertical-align: top; padding: 0 0 20px 8px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eIs it reversible \/ will it affect my warranty?\u003c\/strong\u003e\u003cbr\u003eFully reversible — unplug and remove and the vehicle returns to 100% stock. Not VIN locked, leaves no trace on the ECU. Consult your dealer regarding warranty; the JB4's removable nature is a key advantage.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%; vertical-align: top; padding: 0 24px 20px 0;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the Bluetooth app do?\u003c\/strong\u003e\u003cbr\u003eThe free JB4 PRO app (iOS\/Android) lets you switch maps, monitor up to 40 live engine parameters, log data, read and clear fault codes, and download firmware updates — all wirelessly.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 50%; vertical-align: top; padding: 0 0 20px 8px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need supporting mods?\u003c\/strong\u003e\u003cbr\u003eNo — the JB4 delivers gains on a completely stock 4Runner. Bolt-ons, higher octane, and E85 blends unlock more, but none are required to run the unit.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Burger Motorsports","offers":[{"title":"Default Title","offer_id":54568756150591,"sku":"4RUNNER-24T-JB4-PRO-BT-ADAPTER","price":622.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/5743\/0070\/files\/JB4-PRO.jpg?v=1785090499","url":"https:\/\/www.stickerfab.com\/en-de\/products\/jb4-tuner-2025-toyota-4runner-2-4l-turbo","provider":"StickerFab","version":"1.0","type":"link"}