Remove the dead area from your throttle pedal.
Remove the dead area from your throttle pedal.
The ultimate OBD adapter designed to deliver exceptional speed, maximum connection stability, and great performance for flashing, coding, and live monitoring
Remove the dead area from your throttle pedal.
Reposition your intake air temperature sensor to maintain more accurate readings to maximize power output
10X Entries For Our 25th Anniversary Sweepstakes!
Alleviate heat soak on the street or track.
This product was last offered at the strikethrough price on
06-13-2026
Remove the throttle lag and get more instant response.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-21-2026
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
Version 1.
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.
Increase of +10 Horsepower, and +15 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
Increase of +20 Horsepower, and +26 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!
2025+