For customers that already have APR software on their car and are upgrading to a K04
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply This upgrade can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa Ship your ECU for free, or drive your vehicle to our location
Brand:
ES#:
3509833
Mfg#:
PA100008KT
Back Ordered
ON SALE!
SAVE 20%
$299.99
This product was last offered at the strikethrough price on 09-28-2026
Upgrades existing APR Stage I software to Stage II Supercharger Pulley upgrade software
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For use with the APR Supercharger Pulley Upgrades - Existing APR Stage 1 software must be present for thi
Brand:
ES#:
3219307
Mfg#:
30TFSIUPGRADEKT
In Stock
ON SALE!
SAVE 20%
$249.99
This product was last offered at the strikethrough price on 09-28-2026
For customers WITH APR Stage 1, moving to the IS38 turbocharger upgrade.
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
3411787
Mfg#:
18TIS38KT
In Stock
ON SALE!
SAVE 20%
$249.99
This product was last offered at the strikethrough price on 09-28-2026
*Sale applies only to ECU with 3 or 4 program purchase.
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply 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
Upgrade existing stage 1 and stage 2 software to V2 & V3
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
2918505
Mfg#:
30TFSIUPDATEKT
In Stock
ON SALE!
SAVE 20%
$150.00
This product was last offered at the strikethrough price on 09-28-2026
Includes valet, sport, performance, and anti-theft modes
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
3098218
Mfg#:
DPPFLUPG
In Stock
ON SALE!
SAVE 20%
$129.99
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! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
2063654
Mfg#:
APRSECPRG-SRV
In Stock
ON SALE!
SAVE 10%
$59.00
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! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply 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
APR's ECU Upgrade is the best power per dollar modification for your TSI engine out there
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply This upgrade must be performed at ECS Tuning's facility in Ohio. 255hp/289lb-ft (93 octane). This upgrade can only be performed with the car present at our facility.
Brand:
ES#:
1303020
Mfg#:
20TCCTASTG4CHP
In Stock
ON SALE!
SAVE 20%
$899.99
This product was last offered at the strikethrough price on 09-28-2026
Direct Port Only - Vehicle has to be brought to our facility
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply This upgrade must be performed at ECS Tuning's facility in Ohio. 5.2L FSI V10 - 453HP/460TQ 93 Octane - 445HP/453TQ 91 Octane
Brand:
ES#:
1892525
Mfg#:
52FSISTG1CHIP
In Stock
ON SALE!
SAVE 20%
$949.99
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! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply 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
Max gains of +166-289 AWHP and +117-203 AWFT-LBS depending on octane
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Must have Auth Code from T4100004 to purchase. Requires TCU tune. This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
4899287
Mfg#:
25TG2STG3UPGATH
In Stock
ON SALE!
SAVE 20%
$165.99
This product was last offered at the strikethrough price on 09-28-2026
Gains up to 24Hp, 444hp/357lb-ft (93 octane)
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply This upgrade can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa
Brand:
ES#:
2678620
Mfg#:
R842STG1CHPKT
In Stock
ON SALE!
SAVE 20%
$1199.99
This product was last offered at the strikethrough price on 09-28-2026
Gains up to 57HP & 85TQ on 93 Octane, 85HP & 134TQ on E85
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply This upgrade must be performed at ECS Tuning's facility in Ohio. From the 2013 model year.
Brand:
ES#:
2792692
Mfg#:
B8.520TSTG1CHP-4
In Stock
ON SALE!
SAVE 20%
$499.90
This product was last offered at the strikethrough price on 09-28-2026
Max gains of +128-222 AWHP and +165-245 AWFT-LBS depending on octane
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
4460632
Mfg#:
ECU-40T-EA825-D5
In Stock
ON SALE!
SAVE 20%
$1699.99
This product was last offered at the strikethrough price on 09-28-2026
Max gains of +75 AWHP and +98 AWFT-LBS at the wheels with a Limited Powertrain Warranty
Call In Or Chat For Best Price! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
4674721
Mfg#:
ECU29TEA839C8-P
In Stock
ON SALE!
SAVE 20%
$1799.99
This product was last offered at the strikethrough price on 09-28-2026
Lifetime Replacement
