J-Tune Performance

J-Tune Performance is a full-service part, distribution, installation, fabrication, and dyno tuning facility located in Newark, Delaware. Unlike other high-performance shops, our performance specialists are certified technicians and true motorsport enthusiasts who specialize in Japanese vehicles, especially Nissan and Infiniti. They offer a vast array of services such as dyno tuning, diagnostics, all-wheel-drive services, and more. With our thorough knowledge of high-performance automotive work, we strive to bring the utmost performance out of the vehicles and meet all our customers’ high-performance needs. Call or visit our shop today, we look forward to serving you and your vehicle. What our customer says about us:

Dr. Pabon, 2010 GTR "the ultimate performance shop for your car. Hok is a superb and extremely knowledgeable mechanic and tuner who truly deserves his outstanding reputation. After numerous disappointments with other tuners, I consider myself very fortunate to have made this trusting connection with the J-Tune family. Not only does J-Tune provide excellent tuning and service, but they provide a level of attention to detail and exacting standards that have optimized my vehicles performance and longevity. Hok has completed a number of complex projects for me, and I am really happy with his work. To top it off, the folks at J-Tune are genuinely kind, enjoyable to work with, and client centered. I rarely take the time to review a business, but I am so pleased with the work they have done that I feel compelled to do so. I will return to J-Tune in the near future!"

Eric, 06 350z "Absolutely love this place. The best tune shop around and can do ANYTHING you want to get done. Theres a reason why people come here from different states to get their car worked on. I have been going to this place for years and have seen all the behind the scenes work from exhaust to turbo kits to fully built engines. They put an aps twin turbo kit, twin plate os giken clutch, os giken diff, suspension, etc. Car still gets beat on with no problems at all for years. Highly recommend this place"

D. Atadan, 09' GTR "I became a Jtune customer for my 2009 GTR about 3 years ago. Hok was knowledgeable about everything Nissan, and helpful in guiding me to modify Godzilla to a full blown roadracing terror.... As a CEO of a midsize firm, my standards are high, and Jtune has met those standards for me." K. Huttman, 2013 GTR "JTune did an outstanding job designing the correct perf mods for my 2013 GtR Black Edition. I highly recommend Nikki and Hok. They are probably the most conscientious owner/operators of an aftermarket performance shop for any model that there is .... JTune's shop is always organized, clean, and a friendly place to visit. They tell the truth and our humble in their assessments of proposed projects"

Established August 2008