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.
Get up to +31 hp and +53 lb-ft through a safe and easy to use tuning module from Racechip
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#:
5446798
Mfg#:
910884
In Stock
ON SALE!
SAVE 30%
$499.00
This product was last offered at the strikethrough price on 05-02-2026
Unleash +67 horsepower and +74 lb-ft of torque on your R55 with the Eurocharged ECU Tune and the included flash device - flash your car from home in minutes!
Unleash +42 horsepower and +44 lb-ft of torque on your R55 with the Eurocharged ECU Tune and the included flash device - flash your car from home in minutes!
Proprietary tune box designed specifically for the R55/R56/R57/R58/R59 S, GP, & JCW up to 18-22 HP / + 28-32 TQ
2X Entries For Our 25th Anniversary Sweepstakes!
If you've upgraded your car or just want a bit more power from your stock vehicle, performance engine software helps maximize your car's potential by letting it know just where the limits are. Improve your driving experience with upgraded performance engine software from our selection of elite software tuners.
Lifetime Replacement
