{"product_id":"jb4-tuner-2018-jeep-wrangler-cherokee-2-0l-turbo","title":"JB4 Tuner - 2018+ Wrangler 2.0 \/ Cherokee 2.0L","description":"\u003c!-- split --\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 40whp \/ 55hp at the crank\u003c\/strong\u003e — on a completely stock 2.0L Turbo Jeep with pump gas, no supporting mods required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo ECU flash — locked ECU compatible\u003c\/strong\u003e — plugs in between the engine sensors and factory ECU; no permanent ECU modification ever\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJB4 PRO Bluetooth adapter \u0026amp; free app included\u003c\/strong\u003e — wireless iOS\/Android control for map switching, live monitoring, and firmware updates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn-dash map switching \u0026amp; boost-by-gear\u003c\/strong\u003e — change tuning on the fly and dial in boost per gear right from the factory controls\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in datalogging \u0026amp; code reading\u003c\/strong\u003e — log runs, read and clear fault codes, and monitor live engine data\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE85 \u0026amp; water\/meth support\u003c\/strong\u003e — unlock even more power with higher-octane blends and WMI integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug \u0026amp; play — fully removable, not VIN locked\u003c\/strong\u003e — installs and removes in minutes, leaves no trace on the ECU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet aluminum enclosure, made in the USA\u003c\/strong\u003e — designed and assembled in the USA with a 5-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- split --\u003e\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.sf-video-wrap { position:relative; padding-bottom:56.25%; height:0; overflow:hidden; }\n.sf-video-wrap iframe { position:absolute; top:0; left:0; width:100%; height:100%; border:0; }\n\u003c\/style\u003e\n\u003ch2 style=\"text-align: center;\"\u003eUp to 40whp. No Flash. No Risk.\u003c\/h2\u003e\n\u003cp style=\"text-align: center; color: #555; margin-bottom: 32px;\"\u003eThe JB4 is the most proven plug-and-play tuner for the 2.0L Turbo Jeep Wrangler \u0026amp; Cherokee — serious power gains on pump gas without ever touching the ECU, with full Bluetooth monitoring, in-dash map switching, and E85 support built in.\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-tuner-00002.jpg?v=1775193645\" alt=\"JB4 tuner for 2018+ Jeep Wrangler \u0026amp; Cherokee 2.0L Turbo\" style=\"max-width: 70%; width: 100%; border-radius: 6px; display: inline-block;\"\u003e\u003c\/div\u003e\n\u003ctable class=\"sf-row\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 40px;\"\u003e\u003ctbody\u003e\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 performance gains comparable to an ECU flash, without ever touching the ECU or risking a bricked tune.\u003c\/p\u003e\n\u003cp\u003eOn a completely stock 2.0L Turbo Jeep running pump gas, the JB4 makes up to 40 horsepower at the wheels (roughly 55hp at the crank). Install it, tune it, pull it — the factory ECU never knows it was there. Not VIN locked, fully transferable, fully reversible.\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-tuner-TUNE.jpg?v=1775193645\" alt=\"JB4 tuning maps for 2.0L Turbo Jeep Wrangler and Cherokee\" style=\"width: 100%; border-radius: 6px; display: block;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ctable class=\"sf-row\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 40px;\"\u003e\u003ctbody\u003e\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_WIreless-device-connection-bluetooth-included.jpg?v=1776493283\" alt=\"JB4 PRO Bluetooth wireless smartphone app included\" 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 adapter is built right into this kit. Connect wirelessly from your iOS or Android phone to switch maps on the fly, monitor 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\u003ePrefer to keep your phone in your pocket? The JB4 also supports in-dash map switching and boost-by-gear right from the factory controls — no screen required.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ctable class=\"sf-row\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 40px;\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"width: 55%; vertical-align: top; padding: 0 24px 0 0;\"\u003e\n\u003ch3 style=\"margin: 0 0 12px;\"\u003eDatalogging, Code Reading \u0026amp; E85 — All Built In\u003c\/h3\u003e\n\u003cp\u003eEvery JB4 includes built-in datalogging and OBD code reading, so you can capture full logs of your runs, monitor live engine data, and read or clear fault codes without a separate scan tool.\u003c\/p\u003e\n\u003cp\u003eRunning higher-octane fuel? The JB4 supports E85 blends and progressive water\/methanol injection, letting you safely unlock even more power when the fuel supports it. Start on pump gas and grow into it — the tuner scales with your build.\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.jpg?v=1776493283\" alt=\"JB4 PRO OBD2 OBDII port plug for datalogging and code reading\" style=\"width: 100%; border-radius: 6px; display: block;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ctable class=\"sf-row\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 40px;\"\u003e\u003ctbody\u003e\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-BOX-0000.jpg?v=1776494296\" alt=\"JB4 Jeep tuner box contents billet aluminum enclosure\" 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;\"\u003eBillet Aluminum. Made in the USA. 5-Year Warranty.\u003c\/h3\u003e\n\u003cp\u003eThe JB4 is housed in a rugged billet aluminum enclosure, designed and assembled in the USA. Burger Motorsports has been the gold standard in plug-and-play turbo tuning for over a decade, and every JB4 is backed by a 5-year warranty.\u003c\/p\u003e\n\u003cp\u003eThe JB4 PRO Bluetooth adapter fits entirely inside the enclosure — no dangling dongles, no exposed ports, weather-protected from the start.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cdiv style=\"background: #f7f7f7; border-radius: 8px; padding: 24px 28px; margin-bottom: 32px;\"\u003e\n\u003ch4 style=\"margin: 0 0 8px; font-size: 1em;\"\u003e⚡ Features \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul style=\"margin: 0; padding-left: 20px; color: #444; line-height: 1.8;\"\u003e\n\u003cli\u003eUp to 40whp \/ 55 crank hp on a stock 2.0L Turbo Jeep, pump gas\u003c\/li\u003e\n\u003cli\u003ePlug \u0026amp; play — no ECU flash, locked-ECU compatible\u003c\/li\u003e\n\u003cli\u003eIn-dash map switching and boost-by-gear\u003c\/li\u003e\n\u003cli\u003eBuilt-in datalogging and OBD code reading\u003c\/li\u003e\n\u003cli\u003eE85 and water\/methanol (WMI) support\u003c\/li\u003e\n\u003cli\u003eNot VIN locked — fully removable, leaves no trace\u003c\/li\u003e\n\u003cli\u003eBillet aluminum enclosure, designed \u0026amp; assembled in the USA\u003c\/li\u003e\n\u003cli\u003e5-year warranty from Burger Motorsports\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f7f7f7; border-radius: 8px; padding: 24px 28px; margin-bottom: 40px;\"\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 tuner unit in billet aluminum enclosure · Plug-and-play installation harness · JB4 PRO Bluetooth adapter (pre-installed) · Access to the 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 recommended for full performance gains. Map 0 runs on any fuel with no performance modification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ctable class=\"sf-row\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 40px;\"\u003e\u003ctbody\u003e\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 the factory ECU — no cutting, no soldering, no shop visit. Pull it out just as easily if you ever need to service the vehicle or want to transfer it to a new build.\u003c\/p\u003e\n\u003cp style=\"margin-top: 12px;\"\u003eInstall guide (PDF): \u003ca href=\"https:\/\/jb4tuned.com\/instructions\/jb4_jeep_install.pdf\" target=\"_blank\" rel=\"noopener\"\u003eJB4 Jeep 2.0L Install Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3 style=\"text-align: center; margin: 0 0 16px;\"\u003eThis Part Fits\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 40px; border: 1px solid #ddd;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003cth style=\"text-align: left; padding: 10px 14px; border: 1px solid #ddd;\"\u003eYear\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 10px 14px; border: 1px solid #ddd;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 10px 14px; border: 1px solid #ddd;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 10px 14px; border: 1px solid #ddd;\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #ddd;\"\u003e2018+\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #ddd;\"\u003eJeep\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #ddd;\"\u003eWrangler\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #ddd;\"\u003e2.0L Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #ddd;\"\u003e2018+\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #ddd;\"\u003eJeep\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #ddd;\"\u003eCherokee\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border: 1px solid #ddd;\"\u003e2.0L Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cdiv style=\"background: #f7f7f7; border-radius: 8px; padding: 24px 28px; margin-bottom: 48px;\"\u003e\n\u003ch3 style=\"margin: 0 0 16px; text-align: center;\"\u003eComplete the Build\u003c\/h3\u003e\n\u003ctable class=\"sf-row\" style=\"width: 100%; border-collapse: collapse;\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"width: 50%; vertical-align: top; padding: 0 12px 0 0;\"\u003e\n\u003cp style=\"margin: 0 0 6px;\"\u003e\u003cstrong\u003e\u003ca href=\"\/en-kw\/products\/dragy-gps-performance-meter-lap-timer\"\u003eDRAGY GPS Performance Meter \u0026amp; Lap Timer\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #555;\"\u003eMeasure your real gains. Track 0-60, quarter-mile, and lap times before and after your JB4 with GPS-verified accuracy.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 50%; vertical-align: top; padding: 0 0 0 12px;\"\u003e\n\u003cp style=\"margin: 0 0 6px;\"\u003e\u003cstrong\u003e\u003ca href=\"\/en-kw\/products\/jb4-map-sensor-bypass-extensions-tundra-sequoia-lexus-lx-600-gx-550\"\u003eJB4 MAP Sensor Bypass Extensions\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #555;\"\u003ePopular JB4 add-on for extending boost headroom on turbo platforms — the perfect companion for pushing your tune further.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin: 40px 0; border: none; border-top: 1px solid #e0e0e0;\"\u003e\n\n\u003cdiv style=\"margin:32px auto;max-width:900px;text-align:center;\"\u003e\n  \u003ch2 style=\"text-align:center;\"\u003eDyno Results — Real, Repeatable Power\u003c\/h2\u003e\n  \u003cp style=\"text-align:center;max-width:720px;margin:0 auto 18px;\"\u003eIndependently proven on the dyno: up to \u003cstrong\u003e40whp \/ 55 crank hp\u003c\/strong\u003e on a completely stock 2.0L Jeep on pump gas. JB4 map vs. stock, 93 octane. No mystery numbers — see the gains for yourself.\u003c\/p\u003e\n  \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0890\/2048\/files\/jeep_dyno_93oct-jb4-tune-vs-stock.jpg\" alt=\"JB4 Jeep 2.0L dyno chart — JB4 vs stock, 93 octane\" style=\"max-width:85%;height:auto;border-radius:10px;margin:0 auto;display:block;\"\u003e\n  \u003cp style=\"font-size:13px;color:#777;margin-top:8px;\"\u003e2.0L Jeep Wrangler \/ Cherokee — JB4 Map 2 (93 octane) vs. Stock.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"text-align: center; margin-bottom: 24px;\"\u003eFAQ\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%; vertical-align: top; padding: 0 24px 20px 0;\"\u003e\u003cp\u003e\u003cstrong\u003eWhat is a JB4?\u003c\/strong\u003e\u003cbr\u003eThe JB4 is a plug-and-play performance tuner that connects between your engine sensors and the factory ECU. It reads and adjusts boost, timing, and fueling in real time to safely make more power — without flashing or modifying the ECU itself.\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%; vertical-align: top; padding: 0 0 20px 8px;\"\u003e\u003cp\u003e\u003cstrong\u003eIs the JB4 a real tune?\u003c\/strong\u003e\u003cbr\u003eYes. Unlike throttle boosters or plug-in \"chips\" that just fake pedal response, the JB4 actively adjusts boost pressure, ignition timing, air-fuel ratios, and fuel trims through a full CANbus connection — delivering real, dyno-proven power gains comparable to an ECU flash.\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%; vertical-align: top; padding: 0 24px 20px 0;\"\u003e\u003cp\u003e\u003cstrong\u003eWill this work on my locked ECU?\u003c\/strong\u003e\u003cbr\u003eYes. The JB4 is fully compatible with locked ECUs. It works between the engine sensors and the ECU — it never accesses or modifies the ECU itself.\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%; vertical-align: top; padding: 0 0 20px 8px;\"\u003e\u003cp\u003e\u003cstrong\u003eWhat are the power gains?\u003c\/strong\u003e\u003cbr\u003eUp to 40 horsepower to the wheels (about 55hp at the crank) on a stock 2.0L Turbo Jeep running pump gas. More is available with higher octane, E85 blends, or supporting mods.\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%; vertical-align: top; padding: 0 24px 20px 0;\"\u003e\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. It's not VIN locked and leaves no trace on the ECU. Consult your dealer regarding warranty; the JB4's removable nature is a key advantage here.\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%; vertical-align: top; padding: 0 0 20px 8px;\"\u003e\u003cp\u003e\u003cstrong\u003eDoes it support E85 and water\/meth?\u003c\/strong\u003e\u003cbr\u003eYes. The JB4 includes E85 support and progressive water\/methanol (WMI) integration, so you can unlock even more power as your fuel and supporting mods allow.\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n","brand":"Burger Motorsports","offers":[{"title":"Default Title","offer_id":55123963838783,"sku":"JEEP-WRANGLER-CHEROKEE-V3-PRO-BT-ADAPTER","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/5743\/0070\/files\/jb4-tuner-00002_c0b942e0-e8de-4490-bd5f-afe65ac71db0.jpg?v=1787065231","url":"https:\/\/www.stickerfab.com\/en-kw\/products\/jb4-tuner-2018-jeep-wrangler-cherokee-2-0l-turbo","provider":"StickerFab","version":"1.0","type":"link"}