15 Car Accessories That Will Change the Way You Drive

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Best for Indy Dreams

Best for Indy Dreams

Be like a pro racer and use the G-Tech/Pro RR ($447 from AT Racing World). Once installed and calibrated, the RR can measure 0-60 times, 1/4–mile passes, horsepower, torque, lateral and linear acceleration, and more. You can download this information to your computer for detailed evaluation and study. But the best feature is the instant feedback that you get from this precision instrument. For the enthusiastic driver, the RR is just plain fun. Who doesn’t want to know how fast or powerful their car is, or how many lateral Gs they just pulled on that screaming right turn?

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