A Turbo with a Blow Off Valve for your car, through your AUX! Directions: 1. Connect your phone to your car. 2. Hit the gas & shift. 3. Click one of our blow off valve sounds 4. Have your neighbours think your car is boosted! -Choose from a wide range of blow off valve sounds! -Unlock spooling feature! Your are now able to spool your turbo and recirculate the pressure! Just click your blow off valve sound to fully depressurize your system. We have taken our previous app of 400,000+ downloads and remodelled the whole design. Bringing new layouts, sounds and features! What is a turbo blow off valve? Cars that are equip with a turbo usually have a blow off valve. The purpose of this valve is to take the pressure that has been built and either recirculate it back into the engine or simply just depressurize it creating a sound that all car lovers desire. ALL COMMENTS WILL BE TAKEN INTO CONSIDERATION FOR IMPROVEMENTS! This is a Turbo BOV app with a spooling feature. More Turbo BOV features will be added from your suggestions! So please let us know what to improve!