A piggy back tuner that allows you to adjust throttle response for peak performance.
A piggy back tuner that allows you to adjust throttle response for peak performance.
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.
Next-Gen Power Delivery with OEM-Level Integration - up to +60 HP / +60 TQ
2X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
08-03-2026
Increase power without sacrificing reliability
This product was last offered at the strikethrough price on
08-03-2026