King Booster 60% Improvement In Throttle Response Speed & More Fuel-Saving

9-Drive Throttle Controller For your Lovely Car And You Worth It

60% Speed Up making your throttle response more effectively

Black & Golden Color For Selection 

Iphone Connect For Easily Plug & Unplug 

Nine Modes And Nine Levels To Adjust Freely As You Need

Under Automatic Transmission

Comfort Mode (1- 9 levels, 9 is the strongest level) ----  F1.9

Sport Mode (1- 9 levels, 9 is the strongest level) ---- F2.9

Racing Mode (1- 9 levels, 9 is the strongest level) ----- F3.9

Economy Mode (1- 9 levels, 9 is the strongest level) ----- EC.9

Under Manual Transmission 

Comfort Mode (1- 9 levels, 9 is the strongest level) ----  F1.9

Sport Mode (1- 9 levels, 9 is the strongest level) ----  F2.9

Racing Mode (1- 9 levels, 9 is the strongest level) ----  F3.9

Economy Mode (1- 9 levels, 9 is the strongest level) ----  EC.9

Original Mode ---- NOR

Full Accessories 

Working Principle & Effect Curve

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Hope It Is Helpful To All Of You.