Performance 4x4 is one of Australia’s leading diesel performance workshops, built on over 50 years of combined mechanical experience and a passion for modifying and racing diesel vehicles. From a single custom turbocharger project to a fully equipped workshop with an in-house diesel fuel room and onsite dyno, we provide complete solutions for maintaining, upgrading, and tuning your 4x4. Our services include diesel dyno tuning, ECU remapping, mechanical tuning, and performance module upgrades, all backed by proven results and thousands of satisfied customers. We specialise in reconditioning and modifying fuel pumps and injectors, with our P4X4 performance products found in vehicles across Australia and wornd mechanical diesel diagnostics, our team consistently develops, tests, and pushes the boundaries of ldwide. Led by Director Dale, a fully certified Alientech Master Tuner with extensive experience in electronic a4x4 performance. At Performance 4x4, we treat your vehicle like our own.