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
Average gain of 61 horsepower and 99 lb-ft of torque on 91 Octane with stock hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
Unitronic 12V Power Adapter is used in conjunction with our bench flash harness to allow for ease of use with any North American style wall plug.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
Say goodbye to your locked "401" bootloader thanks to Unitronic new TCU Unlock Tools which are seamlessly integrated with the UniCONNECT+ flashing application for end-users.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
Increase of +35 Horsepower, and +64 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
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Increase of +65 Horsepower, and +106 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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.
Lifetime Replacement
