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.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Sale only applies to purchases to ECU with 3 or 4 program options
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade must be performed at ECS Tuning's facility in Ohio.
*Sale only applies to purchases to ECU with 3 or 4 program options
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade must be performed at ECS Tuning's facility in Ohio.
Average gain of 66 horsepower and 87 lb-ft of torque on 91 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada. For vehicles with TSI engine only
Plug & play power — Gains starting at 25bhp/50lb-ft 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5339748
Mfg#:
JB4-GEN1-TSI
In Stock
ON SALE!
SAVE 12%
$479.00
This product was last offered at the strikethrough price on 05-02-2026
Get up to +54 hp and +62 lb-ft through a safe and easy to use tuning module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with FSI engines only.
Average gain of 57 horsepower and 88 lb-ft of torque on 93 Octane @ 18 PSI with Exhaust upgrade
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with TSI engine only
Includes software and HPA HP Tuners Flashing Tool - Requires K04 Transverse 2.0T Turbo, intake (or performance filter) and downpipe.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Expect up to 355hp and 347 ft-lb! HPA ECU Order Form will need completed and sent directly to HPA - Please see "Installation" tab
Includes software and HPA HP Tuners Flashing Tool - Requires K04 Transverse 2.0T Turbo, HPA TSI Version 2 Manifold, intake (or performance filter) and downpipe.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Expect up to 355hp and 347 ft-lb! HPA ECU Order Form will need completed and sent directly to HPA - Please see "Installation" tab
Average gain of 50 horsepower and 74 lb-ft of torque on 93 octane!
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa For vehicles with FSI engines only. Ship your ECU for free, or drive your vehicle to our location
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
