IWG75 EVO 4-8 Black 22PSI Haltech you are still required to

you are still required to calibrate the desired ignition timing to YOUR setup

This increased working surface area ensures greater mechanical advantage and provides the broadest possible boost curve with improved

plus an anodized finish for improved durability and looks

resulting in less wasted boost

IWG75 EVO 4-8 Black 22PSI Haltech you are still required toTurbosmart Upgraded Wastegate Actuators have been developed to provide the maximum possible boost response for your factory frame turbocharger. The Turbosmart IWG75 Series of upgraded Actuators benefit from an increased 'Working Ratio' over the factory equipment resulting in improved boost response throughout the RPM range. This Improved 'working ratio' is achieved through an increase to the effective surface area of the diaphragm & revisions to the