*Sale applies only to ECU with 3 or 4 program purchase.
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
2063652
Mfg#:
APRTHEFT-SRV
In Stock
ON SALE!
SAVE 10%
$199.00
This product was last offered at the strikethrough price on 09-28-2026
For customers that already have APR software on their car and are upgrading to a K04
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
2063666
Mfg#:
APRKO4TRV-SWUSRV
In Stock
ON SALE!
SAVE 51%
$325.99
This product was last offered at the strikethrough price on 09-28-2026
*Sale only applies to purchases to ECU with 3 or 4 program options
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
2063651
Mfg#:
APRFCTB-SRV
In Stock
ON SALE!
SAVE 10%
$59.00
This product was last offered at the strikethrough price on 09-28-2026
For customers WITHOUT APR Stage 1, moving to the IS20 turbocharger upgrade
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
3411790
Mfg#:
18TIS20KT1
In Stock
ON SALE!
SAVE 20%
$849.99
This product was last offered at the strikethrough price on 09-28-2026
For customers WITH APR Stage 1, moving to the IS20 turbocharger upgrade.
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
3411789
Mfg#:
18TIS20KT
In Stock
ON SALE!
SAVE 20%
$249.99
This product was last offered at the strikethrough price on 09-28-2026
For customers WITHOUT APR Stage 1, moving to the IS38 turbocharger upgrade.
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
3411788
Mfg#:
18TIS38KT1
In Stock
ON SALE!
SAVE 20%
$749.99
This product was last offered at the strikethrough price on 09-28-2026
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 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 4Motion models only. Requires IS38 Turbo Upgrade in addition to other hardware upgrades. Please see description for details.
Brand:
ES#:
4369229
Mfg#:
18TSI-IS38-2+D
In Stock
9% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$1700.00
This product was last offered at the strikethrough price on 10-21-2026
Gain up to 87 horsepower and 106 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 Requires Unitronic 3 Inch Downpipe
Brand:
ES#:
4369226
Mfg#:
18TSI-IS12-2D-UC
In Stock
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$1599.99
This product was last offered at the strikethrough price on 10-21-2026
Gain up to 84 horsepower and 108 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
Brand:
ES#:
4369223
Mfg#:
18TSI-IS12-1+D
In Stock
12% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$1300.00
This product was last offered at the strikethrough price on 10-21-2026
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 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.
Brand:
ES#:
4369227
Mfg#:
18TSI-IS20-2D
In Stock
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$1550.00
This product was last offered at the strikethrough price on 10-21-2026
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
Brand:
ES#:
4369221
Mfg#:
18TSI-IS12-1D
In Stock
12% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$1250.00
This product was last offered at the strikethrough price on 10-21-2026
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.
Let us help you find the parts that fit your
Volkswagen
Lifetime Replacement
