AUTO Version-(ORIGINAL & MODIFIED) | Automotive Gauges, Controllers & OBD2 Displays - Shadow

Performance Electronics for Street & Track - Shadow

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AUTO Version-(ORIGINAL & MODIFIED)

Everything you need to set up Shadow products the right way. Access wiring diagrams, installation manuals, and quick‑start sheets for popular controllers and gauges.

Find firmware notes, compatibility tips, and step‑by‑step guidance curated for workshops and DIY installers. Save time on setup and reduce callbacks with proven checklists.

Use the resource filters or search to jump to your product page, then follow the recommended install sequence to ensure reliable operation.

AUTO Version-(ORIGINAL & MODIFIED)

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  • Shadow Electronic Exhaust Valve Controller II-ORIGINAL - Shadow Electronic Exhaust Valve Controller II-ORIGINAL
    Shadow Electronic Exhaust Valve Controller II-ORIGINAL

    The new generation of high-performance vehicles boasts exceptional combustion efficiency and power. However, high-speed cruising and intense driving often come with issues such as excessive exhaust temperatures and engine cooling challenges. The Shadow Electronic Exhaust Valve Controller II-ORIGINAL can directly connect to the stock valve and offers four operating modes: ON, OFF, AUTO, and ORIGINAL Mode (for vehicles equipped with factory valves). It is perfectly compatible and operates seamlessly, whether the vehicle is equipped with a factory sports exhaust system or not.

  • Shadow Electronic Exhaust Valve Controller II-MODIFIED - Shadow Electronic Exhaust Valve Controller II
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    The Shadow Electronic Exhaust Valve Controller II – Modified Version is specifically designed for aftermarket exhaust systems. It offers three operating modes: ON, OFF, and AUTO. Compatible with genuine factory electronic valve motors found in brands such as BENZ, BMW, and VAG, as well as aftermarket vacuum valve solenoids. As long as a 12V power source is available, the system can be installed on virtually any vehicle. In AUTO mode, the valve operation can be customized via OBDII connection, allowing users to set automatic open/close preferences based on driving behavior. Manual control is also available through a mobile device, remote control, or the main control unit. While enhancing vehicle performance, it also delivers an exhilarating auditory experience with instant changes in exhaust sound. With the Shadow Electronic Exhaust Valve Controller II, your vehicle can remain discreet and quiet—or instantly unleash its aggressive tone. That’s the essence of its design.

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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!

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