Performance upgrades are common amongst 4WD owners and when done correctly they generally gain excellent results. We regularly get asked about the best way to increase engine performance on modern turbo diesel vehicles, the answer to this question varies depending on the specific vehicle and the intended use. Performance upgrades can include physical parts such as exhaust systems, intercoolers and clutches or software & tuning to enhance the engine output, often a combination of both will be most suited to the application. With an appropriate performance upgrade the end result will generally be gains in power and torque with reductions in fuel economy. Modifying the performance of your engine will also improve the overall driveability and efficiency of the engine which can improve longevity & reliability.