Car tech · Head units · CarPlay
John Nguyen
Modern screens in the cars you love. Honest, step-by-step install videos.
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HALODISC 2
by HALOBLK for Tesla Cybertruck
CFD-optimized aero wheel covers with a center-lock mount that increase range up to 10%. Installed and tested on my own truck—dropping energy use from 427 to 379 Wh/mi (~11% better efficiency).
- HALOBLK CFD-tested aero
- Up to +10% Range
- ~11% better efficiency in my test
- 379 vs. 427 Wh/mi
- Flush rim-protecting fit
- 30-Sec Center Lock

From a hybrid supercar to a daily-driven Civic, I upgrade, install and test the tech, then show you exactly how to do it yourself.
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In the garageMeet John
The guy behind the installs.
I film car tech and DIY installs on YouTube: head units with Apple CarPlay and Android Auto, plus mods on my own cars and the cars my friends and family drive. Every guide on this site comes from a real install I filmed.
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