Wirelessly connect your JB4 to your phone!
For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering. For use with JB4 only
Choose the stage that meets your power goals!
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
This Device Flashes the Tune onto your vehicle thru the OBD2 Port. Includes handheld tuner, OBD2 Cable, and USB cable. Comes in a zipper carrying case. *Tune sold separately.
This software is only compatible with Windows PC / Laptop. *Tune sold separately.
Max gains of +32-45 WHP and +61-78 WFT-LBS depending on octane
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade must be performed at ECS Tuning's facility in Ohio.
Max gains of a +32 WHP and +61 WFT-LBS of torque and a Limited Powertrain Warranty
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade must be performed at ECS Tuning's facility in Ohio.
Get access to even more vehicle data using PROLINK+ to wire in up to 2x analog signals and 1x CAN bus signal. Compatible with MPVI2+ and MPVI3 interfaces.
For use with HP Tuners MPVI2+ and MPVI3 interfaces only.
Brand:
ES#:
4840618
Mfg#:
H021-002-06
Ships in 5 Business Days
$60.99
This product was last offered at the strikethrough price on 05-12-2026
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail.
Brand:
ES#:
4714892
Mfg#:
JB4-OBDII-CA-MC
Ships on Aug 11, 2026
$30.00 USD
Lifetime Replacement
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Lifetime Replacement
