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.
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.
Plug & play power — gain up to 100 horsepower 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!
This product was last offered at the strikethrough price on
05-02-2026
Increase power without sacrificing reliability
For vehicles with model years 2011.5-2012
This product was last offered at the strikethrough price on
08-03-2026
Increase power without sacrificing reliability
For vehicles with model years 2009-2011
This product was last offered at the strikethrough price on
08-03-2026
Gains of up to 40whp on N63 and 60whp on N63TU!
Looking to add more horsepower and torque to the N63TU from a plug and play accessory? Look no further!
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
From production years 2013-2015
This product was last offered at the strikethrough price on
07-31-2026
Increase of +155 Horsepower, and +150 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
Increase of +120 Horsepower, and +130 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
Increase power without sacrificing reliability
For vehicles with model years 2013-2017
This product was last offered at the strikethrough price on
08-03-2026