Enables precise control of aftermarket performance components like fuel pumps, meth injection kits, boost controllers, port injection kits
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Wirelessly connect your JB4 to your phone!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Alter parameters and fine-tune — wirelessly!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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
Quick and reliable power from a name you know and trust!
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3184688
Mfg#:
D440-0047
Ships in 6 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.
$310.99
This product was last offered at the strikethrough price on 06-05-2026
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Max gains of up to +38 HP and +59 lb-ft TRQ (Crank); +35 HP and +55 lb-ft TRQ (Wheel).
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! For 2021-2022 Supra models only! Not compatible with 2020 models.
Brand:
ES#:
4500213
Mfg#:
D440-0167
Ships in 9 Business Days
$609.99
This product was last offered at the strikethrough price on 12-29-2025
$366.99 USD
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on orders $49 and up
Lifetime Replacement
More About Performance Software & Tuning
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.
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