Performance ECU | Quick Setup & Support – Shadow

Performance ECU | Features, Sizes & Options – Shadow

Hot Products

Technology X Function

Technology X Function

Highly recognizable and still clear in the sun.

More
Your Valves, Your Call

Your Valves, Your Call

X-FLAP OEM leaves the factory system as it is and lets you switch valve states from a remote or the app.

More
Set When Boost Comes In

Set When Boost Comes In

EBC-Lite sets when boost engages, how quickly it builds, and when overboost protection steps in.

More

Performance ECU | Compare Models & Pricing – Shadow

Since 1999 in Taiwan, Shadow builds automotive gauges and controllers for street & track. 99.43% yield, clear wiring diagrams, and step-by-step install guides. Explore specs or request a fast quote.

Performance ECU Engineered for accuracy: environmental testing, precision calibration, real-vehicle validation, and firmware checks. Universal 12V, plug-and-play wiring for quick installs. View install steps & troubleshooting.

25+ years in performance electronics—gauges, controllers, OBD2 displays, Turbo Timers. Compare specs, check fitment, and contact Shadow for dealer pricing or support.

Performance ECU

Piggyback ECU for enhanced vehicle power output
Piggyback ECU for enhanced vehicle power output

Performance ECU products use piggyback computer modules to optimize fuel injection and ignition timing parameters without modifying the factory ECU software, improving overall vehicle power output. Maintain your factory warranty while gaining a more responsive acceleration feel and increased torque — the ideal solution for drivers seeking power upgrades without touching the original ECU.

Know you the best

SHADOW will not only be a pronoun of global automotive electronics products in the future, but also a good partner for modified car owners! Let more people experience the pleasure and convenience of modified vehicles through SHADOW's products!

 Advantage