Features CAN-Bus connectivity for more advanced tuning — gain up to 35hp/40lb-ft on a stock car, 90hp/70lb-ft on a modified car
Not for sale or use in the state of California.
This upgrade can only be performed with the car at ECS Tuning's location in Ohio
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. 251hp/298lb-ft (93 octane) --- 242hp/282lb-ft (91 octane), This upgrade can only be performed with the car present at our facility.
Brand:
ES#:
2823175
Mfg#:
MQB18TSTG1KT
In Stock
ON SALE!
SAVE 10%
$499.99
This product was last offered at the strikethrough price on 07-31-2026
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.
Unlock your 1.8T's hidden potential and add instant thrill to your commute in minutes—no hardware changes required.
5X Entries For Our 25th Anniversary Sweepstakes!
Gain up to 182 horsepower and 139 lb-ft of torque on 93 Octane
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next For vehicles with manual transmission only. Requires IS38 Turbo Upgrade in addition to other hardware upgrades. Please see description for details.
Gain up to 131 horsepower and 125 lb-ft of torque on 93 Octane
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next Requires IS20 Turbo Upgrade in addition to other hardware upgrades. Please see description for details.
Gain up to 182 horsepower and 139 lb-ft of torque on 93 Octane
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th For vehicles with manual transmission only. Requires IS38 Turbo Upgrade in addition to other hardware upgrades. Please see description for details.
Gain up to 72 horsepower and 88 lb-ft of torque on 91 Octane
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Maximize your airflow and unlock aggressive performance—complete with optional motorsport-inspired exhaust crackles.
5X Entries For Our 25th Anniversary Sweepstakes!
If you've upgraded your car or just want a bit more power from your stock vehicle, performance engine software helps maximize your car's potential by letting it know just where the limits are. Improve your driving experience with upgraded performance engine software from our selection of elite software tuners.
Lifetime Replacement
