JB4 Tuner
Fits: 22-26 WRX
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Availability & lead time
This item is currently backordered or its inventory is not tracked in real time. Once your order is placed, we will source it through the manufacturer or our distributor network and ship it as soon as possible. If you need the item by a specific date, please contact us for an estimated ship date before ordering.
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Pay over time · Est. $16.53/payment ⓘ
Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded. View all options
Pay over time · Est. $16.53/payment ⓘ
Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded. View all options
Fitment
Fitment
- 2022-2026 Subaru | WRX
Description
Description
The JB4 features a simple plug & play installation harness for easy installation & removal and includes many features not found with any other tune. Including on the fly map switching from your phone/tablet instead between factory and various performance maps, boost limiting by gear for improved traction in lower gears, progressive water/methanol support, built-in data logging, built-in code reading, and much more.
• Power gains of up to 50hp to the wheels on a stock vehicle
• Improves 0-60 times and 1/4 mile times
• Includes JB4 software and up to 8 maps for various fuel and modification levels
• Ethanol (E85) compatible tuning maps
• Able to read/delete fault codes
• View and record up to 30 different gauges/engine parameters with the JB4 app.
• Boost by gear in 1st, 2nd, and 3rd via the JB4 app for a perfect launch
• CANbus OBDII integration offering unrivaled tuning features and performance
• Runs as smoothly as stock, how your vehicle should have come from the factory
• Fuel economy unchanged during normal driving
• 91 octane fuel or better required for performance gains
• Not VIN locked and can be removed without a trace and resold down the road
• Made in the USA
• Free USA Shipping
• 5 year warranty
Installation Instructions:
*ALL SALES FINAL ON BURGER MOTORSPORTS ITEMS
Shipping and Delivery
Shipping and Delivery
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Warranty and Support
Warranty and Support
Return and Refund
Return and Refund
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Proposition 65
Proposition 65
Proposition 65 Warnings: cancer and reproductive harm www.p65warnings.ca.gov
![Burger Motorsports [22 - 26 WRX] JB4 Tuner | BMS - VBWRXJB4 - JDMusclePlug and Play Engine ManagementBMS-VBWRXJB4](http://jdmuscleusa.com/cdn/shop/products/burger-motorsports-22-26-wrx-jb4-tuner-bms-vbwrxjb4-3639699.webp?v=1770328996&width=1445)