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Although we specialize in high performance work, we understand that high performance cars need maintenance too. That’s why we offer very competitive pricing on maintenance items because no dealership or quick-lube chain is going to respect your car or all of the hard work you’ve put into it. We’re willing to work with you so you can get the best service as possible. Also, keep in mind that when we said we treat your car just like one of our own, we meant it! That’s why we use mostly hand tools whenever possible.

When it comes to tuning, J-Tune knows what it takes to make the car both reliable and fast. We offer a different variety of tuning software and hardware such as UpRev Osiris, Apexi PFC, Link EMS, Haltech EMS, AEM S2/Infinity, , Hondata, K-Tuner, Nistune and NismoTronic and more. An appointment is required prior to tuning session, so give us a call today at 302-998-6988. 



Why Dynapack Dyno?

J-Tune value our customers for their time and money that they spent on their vehicles and here are some reasons why Dynapack Dyno is the leading dyno used by many top tuners around the world

  • SAFETY– Dynapack provides a direct coupling to the wheel hubs and applies a precisely controlled hydraulic load. There can be no tire slip, no rolling resistance, and no chance of the vehicle coming off of the dyno at high speeds.

  • ACCURACY– On a regular roller method, the vehicle squirms around on the rollers – dramatically changing the tire drag during the run. If the vehicle is tested in two different sessions, the straps can’t be set exactly the same way twice in a row. Again, the data will be inconsistent. With Dynapack, this problem will not exist.

  • CONSISTENCY– The inertia of a Dynapack is practically zero, which means a greatly improved sensitivity and repeatability. 

  • PRECISION – Dynapack Dyno can provide more precise measurement and display tiny rapid pulses and oddities.




Dyno run:  Boost metering add :   Air fuel metering

Dynapack Dyno Tune: fixed price based on tuning software. No walk-in, please. **A refundable deposit of $50 is required prior to tuning session for reservation purposes  ** Refund will be granted if you cancel a head of time min. 24hr notice.

Osiris System


A PC based reflash system that allows the tuner to flash the vehicle’s ECU for the newer models of Nissans and Infinitis such as 350z, 370z, G35, G37 and GTR with a customized tuning. Osiris not only can maximize the power but also can help to increase gas mileage which is very beneficial to all car owners in this difficult economy. Moreover, Osiris Tuner supports NA applications and high horsepower forced induction vehicles and is the best for enthusiasts who are looking for a better alternative to Stand-Alone ECU and Piggyback systems.


Tired of the check light? Contact us today to make an appointment for Osiris tune. J-Tune is proud to be one of the only two Pro-Tuner of UpRev Osiris in the Tristate, why wait any longer?

➡ Check out our Osiris Dyno Day pictures and videos here.

Nistune System


NIStune is a real-time tuning suite designed especially for Nissans which provides the ability to:

• Retune factory Nissan Engine Control Units (ECU)
• Monitor gauges and map tracing on your ECU
• Datalog from your ECU using consult, wideband and auxiliary inputs
• Perform playback using graphs, gauges and map tracing

Works well for the older models of Nissans

Haltech EMS System


Haltech’s Elite 2000 ECU. takes the art of engine calibration to a whole new level. Featuring a robust environmentally sealed waterproof case, intake cam control, short term and long term map learning, dual channel knock control, and much more.

Haltech platinum PRO plug-in. If you are after a simple plug-and-play option and your car still has its original engine and wiring in it, a Plug-in ECU is the easiest and quickest solution. You simply unplug the factory ECU, and plug the Haltech ECU directly into the factory harness. Load your base map and you’re ready to go!

Link ECU

 Installation of Link Plug in ecu is a breeze with no alteration of the factory wiring loom required. A built-in connector or pins provides additional inputs and outputs for oil pressure or anti-lag/logging switches.

Black Diamond

JTune Performance


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