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.
Unleash up to 357HP/396TQ by transforming your Audi B9 A4/A5 with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features!
Features CAN-Bus connectivity for more advanced tuning — gain up to 30whp and 45lb-ft. of torque
Not for sale or use in the state of California. Fits 190hp models only
Unlock the hidden potential of your vehicle with the all-new NEUSPEED Power Module S.
Power gains + 25 HP / + 30 TQ
2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5504858
Mfg#:
64.17.04
Ships in 2 Business Days
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$449.00
This product was last offered at the strikethrough price on 08-16-2026
Increase of +40 Horsepower, and +25 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
Higher peak figures of 306 HP with 376 FT-LBS of torque - *with APR PLUS limited powertrain warranty*
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade must be performed at ECS Tuning's facility in Ohio.
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
