Features CAN-Bus connectivity for more advanced tuning — gain up to 80whp on a stock Supra!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.
Features CAN-Bus connectivity for more advanced tuning — gain up to 80whp on a stock Supra!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.
Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For 2011 model year vehicles.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with Type A Harness & Pneumatic Wastegate only; Not for sale or use in the state of California.
For Vehicles with Type A Harness & Pneumatic Wastegate only
Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For 2012 and newer vehicles.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.
For Vehicles with Type B Harness & Pneumatic Wastegate only
Unlock additional power and performance with the JB4 tuner
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car! For 2014 and newer vehicles.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.
For Vehicles with Type B Harness & Electronic Wastegate only
Maintain driveability and reliability while adding up to 60 HP and 45 lb/ft of torque!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Plug & play power — gain up to 50 horsepower on a stock car, 100+ horsepower on a modified car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with pneumatic waste gate; not for sale or use in the state of California.
Plug & play power — gain up to 40 horsepower on a stock car, 70+ horsepower on a modified car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.
This product was last offered at the strikethrough price on
05-19-2026
Maintain drivability and reliability while adding up to 60HP and 60lb/ft of torque!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Maintain driveability and reliability while adding up to 40 HP and 30 lb/ft of torque!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Plug & play power — gain up to 60 horsepower on a stock car, 100+ horsepower on a modified car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This product was last offered at the strikethrough price on
05-19-2026
Maintain driveability and reliability while adding up to 40 HP and 55 lb/ft of torque! For 2011 to early 2012 vehicles.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.
For 2011 to early 2012 vehicles with type A TMAP harness only!
Maintain driveability and reliability while adding up to 40 HP and 55 lb/ft of torque! For 2014 and newer vehicles.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.
For 2014 and newer vehicles with type B TMAP harness only!
Gains of up to 45hp and 60lb/ft!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not for sale or use in the state of California.
Attaches to the JB4 allowing it to directly control both traditional port injection kits and WMI port injection kits.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This add on kit for BMW N54 engines allows your JB4 to "2step" the engine
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms