The E-Boost 2 from Turbosmart is more than just a boost controller. Turbosmart E-Boost 2 puts you in total control of your turbocharger. A clever and easy to use boost management system which is technologically advanced, the E-Boost 2 is equally at home on fast road cars as it is on top level race cars. The E-Boost 2 boasts a number of features with up to six alternative boost mapping functions with integrated input for optional shift or warning lights. The boost controller goes up to 40psi making it suitable for most boost pressures. Boost levels can be mapped against time or RPM, the RPM compensation feature eliminates boost drop off at high RPM making this controller a must for owners of turbocharged vehicles.60mm diameterChoice of colours.