Ignitions and Electrical› Computers, Chips, Modules and Programmers
Burger
JB4 Tuner
SKU: JB4-SUPRA-B58
Easy — 1–2 hours
Description
This system installs quickly and is fully reversible, requiring no ECU flash. It features map switching, boost-by-gear control, data logging, and fault code reading and clearing. The JB4 is compatible with the free JB4PRO smartphone app for wireless connectivity, data analysis, and map changes.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Burger |
| Part Number | JB4-SUPRA-B58 |
| Category | Ignitions and Electrical |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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