The SharkTuner Family of Products by JDSPorsche brings Fuel and Ignition Tuning for 85-95 928s to the 21st Century!

No more "One Chip Fits all solutions" and only manipulating fuel pressure to try to tune your late model 928 for optimum performance, no matter if it is stock or modified..

The brilliant minds at JDSPorsche have spent years of hard work and research and development to create a true modern solution for real tuning of the Porsche 928. Their SharkTuner Products give you real-time access to the range of adjustments available within the factory LH and EZF/EZK Engine Computers. With features like AutoTuning and the new PEM modules the SharkTuner Products rival even the tuners available for modern mass production performance automobiles.

Below is the current list of JDSPorsche SharkTuner Products available from us, as well as additional products to assist you with the proper and effective tuning of your Porsche 928.