Wirelessly connect your JB4 to your phone!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering. For use with JB4 only
APR can now remotely tune you car from anywhere in the world! Simply purchase the APR RTS Install Cable and setup a remote tuning session with APR or participating APR Dealer.
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! Tuning must be performed by APR or a participating dealer. ECS Tuning does not offer the APR Remote Tuning Service at this time.
Gain up to 83 horsepower and 122 ​lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Brand:
ES#:
4368468
Mfg#:
20TSI-GEN3-2-UC
In Stock
ON SALE!
SAVE 18%
$814.99
This product was last offered at the strikethrough price on 05-21-2026
Gain up to 62 horsepower and 103 ​lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Brand:
ES#:
4368628
Mfg#:
20TSI-GEN3-1+D-U
In Stock
ON SALE!
SAVE 13%
$1114.99
This product was last offered at the strikethrough price on 05-21-2026
Gain up to 62 horsepower and 103 ​lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Brand:
ES#:
4368466
Mfg#:
20TSI-GEN3-1+-UC
In Stock
ON SALE!
SAVE 20%
$764.99
This product was last offered at the strikethrough price on 05-21-2026
Gain up to 83 horsepower and 122 ​lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Brand:
ES#:
4368629
Mfg#:
20TSI-GEN3-2D-UC
In Stock
ON SALE!
SAVE 12%
$1264.99
This product was last offered at the strikethrough price on 05-21-2026
Gain up to 193 horsepower and 145 ​lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Performance Software for your ECU Box Code is subject to availability. Only available for SIMOS 18 equipp
Brand:
ES#:
4368630
Mfg#:
20TSI-GEN3-3D-UC
In Stock
ON SALE!
$1614.99
This product was last offered at the strikethrough price on 05-21-2026
Gain up to 193 horsepower and 145 ​lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Performance Software for your ECU Box Code is subject to availability. Only available for SIMOS 18 equipp Requires Unitronic Stage 2 TCU Performance Software in addition to other hardware upgrades. Please see description for details.
Brand:
ES#:
4368470
Mfg#:
20TSI-GEN3-3-UC
In Stock
ON SALE!
SAVE 13%
$1164.99
This product was last offered at the strikethrough price on 05-21-2026
Gain up to 44 horsepower and 90 lb-ft of torque on 91 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Brand:
ES#:
4368627
Mfg#:
20TSI-GEN3-1D-UC
In Stock
ON SALE!
SAVE 14%
$1064.99
This product was last offered at the strikethrough price on 05-21-2026
Gain up to 62 horsepower and 103 ​lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Brand:
ES#:
4368623
Mfg#:
20TSI-GEN3-1+D
In Stock
ON SALE!
SAVE 16%
$950.00
This product was last offered at the strikethrough price on 05-21-2026
Gain up to 83 horsepower and 122 ​lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next Requires Unitronic 3 Inch Downpipe
Brand:
ES#:
4368467
Mfg#:
20TSI-GEN3-2
In Stock
ON SALE!
SAVE 19%
$800.00
This product was last offered at the strikethrough price on 05-21-2026
Gain up to 62 horsepower and 103 ​lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Brand:
ES#:
4368465
Mfg#:
20TSI-GEN3-1+
In Stock
ON SALE!
SAVE 19%
$800.00
This product was last offered at the strikethrough price on 05-21-2026
Optimized responsiveness and smoothness, increased rev limiter, and more!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Brand:
ES#:
4368457
Mfg#:
TSI-GEN3-DSG-2-U
In Stock
ON SALE!
SAVE 20%
$764.99
This product was last offered at the strikethrough price on 05-21-2026
Transform the shifting performance of your DQ250 with Dynamic+ Tuning - enhancing the acceleration & drivability of your transmission!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Transform the shifting performance of your DQ250 with Dynamic+ Tuning - enhancing the acceleration & drivability of your transmission!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with DQ250 transmission only.
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
