Don't let weak and unresponsive factory gas pedal mapping ruin your driving experience!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Wirelessly connect your JB4 to your phone!
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering.
Plug & play tune with gains up to 40hp/50lb-ft.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For 2021+ models only
Features CAN-Bus connectivity for more advanced tuning — gain up to 70WHP on a stock car
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Features CAN-Bus connectivity for more advanced tuning — gain up to 45hp/45lb-ft on a stock car, 90hp/70lb-ft on a modified car
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Not for sale or use in the state of California.
Features CAN-Bus connectivity for more advanced tuning — gain up to 50hp/70lb-ft on a stock car, 75hp/90lb-ft on a modified car
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Not for sale or use in the state of California. For 252hp engine variant only
Plug & play tune with gains up to 120hp/130lb-ft.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Brand:
ES#:
4620151
Mfg#:
JB4-EA825-40TT
Ships on Nov 16, 2026
$1199.00
This product was last offered at the strikethrough price on 05-21-2026
Features CAN-Bus connectivity for more advanced tuning — gain up to 50whp/65lb-ft on a stock car
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Not for sale or use in the state of California.
Features CAN-Bus connectivity for more advanced tuning — gain up to 28whp/50lb-ft on a stock car
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Not for sale or use in the state of California.
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
This easy to install plug and play tuner attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost, timing, and fueling for optimal performance and reduced turbo lag.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Not for sale or use in the state of California.
This easy to install plug and play tuner attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost, timing, and fueling for optimal performance and reduced turbo lag.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Not for sale or use in the state of California.
Features CAN-Bus connectivity for more advanced tuning — gain up to 50whp/65lb-ft on a stock car
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Not for sale or use in the state of California.
This easy to install plug and play tuner attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost, timing, and fueling for optimal performance and reduced turbo lag.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Not for sale or use in the state of California.
Features CAN-Bus connectivity for more advanced tuning — gain up to 100WHP/100WTQ on a stock car
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Lifetime Replacement
