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.
Easy to install, easy to use boost controller - up to 30HP, 40lb/ft gain!
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Brand:
ES#:
5457075
Mfg#:
D440-0012
In Stock
ON SALE!
SAVE 30%
$275.99
This product was last offered at the strikethrough price on 05-02-2026
Add power and performance with special software upgrades from recognized tuning leaders like APR, Cobb, and Malone. Let our trained support staff show you how to pick the performance software upgrade that suits your driving preferences and budget.
Lifetime Replacement
