Ignitions and Electrical› Computers, Chips, Modules and Programmers
Science of Speed
JB4 Tuning Box
SKU: ENPP-3381
Moderate — 2–4 hours
Description
It works by intercepting engine pressure sensors and monitoring engine parameters through the factory CAN bus. This allows the JB4 Tuning Box to intelligently increase engine output.
Fitment
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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 | Science of Speed |
| Part Number | ENPP-3381 |
| 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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