Tuning your vehicle with APR Software has never been easier thanks to the APR Ultralink!
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! Only available for purchase in the United States and Canada.
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
Don't let weak and unresponsive factory gas pedal mapping ruin your driving experience!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE! 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 Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE! 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 Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE! 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
Plug & play power — gains starting at 30whp/40lb-ft on a stock car!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California. For vehicles from the 2018 model year only
This Device Flashes the Tune onto your vehicle thru the OBD2 Port. Includes handheld tuner, OBD2 Cable, and USB cable. Comes in a zipper carrying case. *Tune sold separately.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop. *Tune sold separately.
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 Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE! 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
Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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 Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE! 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 Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE! 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 Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE! 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 Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE! 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 Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE! 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
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
