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.
Alter parameters and fine-tune � wirelessly!
For use with N54 JB4 systems and any JB4 manufactured prior to 2017. Please check board diagrams to properly identify your JB4 before ordering.
Brand:
ES#:
3508698
Mfg#:
JB4-BT
In Stock
$149.00
This product was last offered at the strikethrough price on 05-12-2026
This harness is the perfect solution for ReFlex+ users who want a simple, reliable, and cost-effective plug-and-play option without compromising their vehicle's stock wiring.
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.
Max gains of up to +62 HP and +71 lb-ft TRQ (Crank); +55 HP and +63 lb-ft TRQ (Wheel).
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! For 2020 Supra models only! Not compatible with 2021+ models.
Brand:
ES#:
4500215
Mfg#:
D440-0166
Ships in 5 Business Days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$787.99
This product was last offered at the strikethrough price on 07-22-2026
Max gains of up to +62 HP and +71 lb-ft TRQ (Crank); +55 HP and +63 lb-ft TRQ (Wheel).
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! For 2021-2022 Supra models only! Not compatible with 2020 models.
Brand:
ES#:
4500214
Mfg#:
D440-0168
Ships in 5 Business Days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$760.99
This product was last offered at the strikethrough price on 07-22-2026
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
