![Vonnen Shadow Drive Horsepower](https://www.elephantracing.com/wp-content/uploads/Dyno_001a.jpg)
Vonnen Shadow Drive Adds Power in Parallel with the Existing Gasoline Engine
![Shadow Drive Boost](https://www.elephantracing.com/wp-content/uploads/Luggage_001b.jpg)
Tucks Away Unobtrusively with the Trunk and Backseat Space Retained
![Vonnen Shadow Drive](https://www.elephantracing.com/wp-content/uploads/Vonnen-Overlay_001.jpg)
150 HP Performance Hybrid Upgrade
![Shadow Drive App](https://www.elephantracing.com/wp-content/uploads/Apps_001a.jpg)
Use the App to Select the Drive Mode
![Vonnen Shadow Drive for Porsche](https://www.elephantracing.com/wp-content/uploads/Old-Meets-New_002a.jpg)
Available for Late Model and Classic Porsche Cars
Serving both the air-cooled and water-cooled Porsche market in the San Francisco Bay Area, Elephant Racing has been an authorized Vonnen Shadow Drive sales and installation facility since 2019.
Conveniently located in the heart of Silicon Valley in Santa Clara, California just minutes from San Jose International Airport, and with nearly twenty years of Porsche performance experience, our customers choose us for our deep understanding of how to best match the substantial increase of power that Shadow Drive provides with the suspension, chassis, and brake upgrades that help round out the overall package.
We always have at least one Shadow Drive equipped demonstrator vehicle on hand and are pleased to offer both test drives and private consultations by appointment.
What is Shadow Drive?
How Does the System Charge?
Is the Installation is Fully Reversible?
Which Porsches is it For?
Shadow Drive is available for Porsche 2012+ 997.2 and Boxster/Caymans,air-cooled Porsches going back to 1965, 996/997.1 GT3 and Turbo carsIt works equally well on manual and PDK equipped cars and is engine modification friendly.
How Long Does Installation Take?
Expect to have your car converted in about one week. Installation is currently available either at our Santa Clara, California headquarters or by special arrangement remotely worldwide (at additional expense).
Can Elephant Racing Install Shadow Drive for Me?
Elephant Racing has been certified to provide both sales and installations for Vonnen.
Test Drives
Elephant Racing welcomes the opportunity to test drive Shadow Drive.
Matt Farah – The Smoking Tire
What it’s like to drive a 350 HP 911 with a 150 HP Aftermarket Hybrid System!