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. For use with JB4 only
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
Not for sale or use in the state of California.
Features CAN-Bus connectivity for more advanced tuning — gain up to 55hp/60lb-ft on a stock car, 80hp/80lb-ft on a modified car
Not for sale or use in the state of California. For vehicles up through the 2017 model year only.
Features CAN-Bus connectivity for more advanced tuning — gain up to 45hp/45lb-ft on a stock car, 100hp/70lb-ft horsepower on a modified car
Not for sale or use in the state of California.
Features CAN-Bus connectivity for more advanced tuning — gain up to 35hp/40lb-ft on a stock car, 90hp/70lb-ft on a modified car
Not for sale or use in the state of California.
Plug & play power — Gains starting at 25bhp/50lb-ft on a stock car!
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!
Brand:
ES#:
5339748
Mfg#:
JB4-GEN1-TSI
In Stock
ON SALE!
SAVE 34%
$479.00
This product was last offered at the strikethrough price on 05-02-2026
Lifetime Replacement
