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Kia / Hyundai Turbo JB4


Product Code KIAP2IIF97
Manufacturer Burger Tuning
Condition New

Earn Reward Points: 479

Dollar Value of Points: $4.79

Kia / Hyundai Turbo JB4



• 2018+ KIA Stinger GT, GT1, GT2 
• 2018+ KIA Stinger 2.0t
• 2018+ Genesis G80 3.3L V6
• 2018+ Genesis G70 3.3L 
• 2019+ Hyundai Veloster N (2.0 TGDI Engine)  
• 2010+ Hyundai Genesis Coupe 2.0t
• 2015+ Hyundai Sonada 1.6t, 2.0t, 2.4t 

This plug and play Kia / Hyundai tuner plugs in to easy access sensors in the engine bay and works with your factory ECU tuning to remap your boost, timing, and fueling for optimal performance and reduced turbo lag. It features a 64mhz processor allowing sensors to be sampled 800 times per second using dedicated 10 bit digital to analog converters, ensuring smooth and powerful performance. It's able to auto-detect between the 3.3L and 2L turbo engines automatically allowing for a simple plug and play installation with no model specific software changes required.

Unlike other tuning systems the JB4 includes a fully programmable CANbus system, upgradable firmware, and data logging capability. CANbus allows the JB4 to take in to account pedal input, throttle position, gear, engine speed, air/fuel ratio, fuel trims, ignition advance, knock, and many other factors and incorporate those in to the performance mapping. It can also read/delete fault codes, incorporate unique safety features such as keeping boost pressure low until oil and water is up to temperature to provide proper engine and turbo lucubration, and drop to a low boost map if the engine starts to over heat, run lean, excessively knock, or over

The default JB4 map1 runs 4psi over stock peak and tuned maps including stock and valet mode can be selected on the fly using a BMS diagnostics cable or JB4 mobile smart phone adapter. 

Installation is very discrete and it quickly removes without a trace when needed. Includes maps for 91 octane, 93 octane, and E85 (ethanol fuel) mixtures. Fuel economy during normal driving is unchanged. Compatible with all driving modes. Made in USA. 5 year warranty. 

As is well documented the Kia and Hyundai platforms, both the 3.3L and 2.0L, are prone to spark blow out at both stock and higher than stock boost levels. At a minimum the factory spark plug gap should be closed to 0.026". Alternatively replacement spark plugs can be used that offer a stronger spark and are more reliable than stock. Click here for the suggested spark plugs and spark plug gapping tool. 

Now includes the BMS billet all weather enclosure and fuel control wires preinstalled!

Join the Kia Stinger JB4 discussion here:



2018 kia sringer performacne tuner chip eus flash jb4

JB4 Features and Benefits

• Power gains of up to 100hp and 100tq to the wheels on a stock vehicle
• Quick Plug & Play Installation
• CANbus integration offering unrivaled tuning features and performance 
• Runs as smoothly as stock, this is how your Kia should have come from the factory 
• Compatible with all driving modes 
• Fuel economy unchanged during normal driving
• Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment 
• Ethanol (E85) compatible tuning maps
• Able to read/delete fault codes 
• Not VIN locked, can be removed without a trace and resold down the road 
• Made in the USA 
• Free USA Shipping
• 5 year warranty

kia stinger tuner
JB4 Tuned KIA Stinger Dyno
Stock vs. map5 Stock vs. JB4 maps basic install Stock vs. JB4 with fuel control active
BMS Intake, 91 octane, JB4 Map2 BMS Intake, 30% E85, JB4 Map3 BMS Intake, 30% E85, JB4 Map5


JB4 Stinger Fuel Wires ADD-ON
These extra wires plug in to the JB4 harness allowing it to tune your air/fuel ratios, leaning the tuning out at higher RPM has resulted in significant additional power gains.

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