If you don’t have boost, well now you can for $1.19. The iPhone app can be purchased from the Apple iTunes store. This iBoost app utilizes the built-in accelerometers to make fun blow off valve sounds as you drive.
Here’s what the author says:
Using iPhone’s built-in accelerometer, iBoost works like a real turbo by calculating how your engine would be boosting as you drive. Real sounds are played as you accelerate and back off the throttle of your car, as well as a realistic working boost gauge on the screen.
• A laugh every time you shift up gears
• Boost gauge with interchangeable black and white faces
• Illuminated mode for driving at night
• Induction, flutter and blow-off-valve sounds
• Adjustable blow-off-valve for selecting different styles of sound effects
• Easy one-step calibration
• Portrait and landscape mode supported
Visit www.iboostapp.com for more information.