This is a simple app that shows your turbo boost info.
You can choose between two boost units (bar/psi) and night mode.
It's also designed to suit the style with Initial D6 HUD.
If you are experiencing frame drops or stutters, try enabling lower refresh rate option in Boost settings!
Intro (start from 1:37):
Demo Video (with Initial D6 HUD):
(with Initial D6 HUD)