See up to 386 horsepower on 93 octane fuel!
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio. For existing Stage 1 or Stage 2 customers with Golf R/8V S3 IS38 turbocharger only. Tuning may only be performed in-house at APR dealers.
Brand:
ES#:
2996318
Mfg#:
STGIS38UPG
In Stock
ON SALE!
SAVE 20%
$299.99
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 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! 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
Required software to properly upgrade to a K04 turbocharger
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio. Ship your ECU for free, or drive your vehicle to our location
Brand:
ES#:
2776628
Mfg#:
PA100007
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! 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! 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
Upgrade existing stage 1 and stage 2 software to V2 & V3
Call In Or Chat For Best Price! This upgrade must be performed at ECS Tuning's facility in Ohio. For existing Stage 1 or Stage 2 customers with an ECU upgrade installed before 5/14/2015. Vehicle must be brought to ECS Tuning for programming.
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! 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! 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! 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! This upgrade must be performed at ECS Tuning's facility in Ohio. 254hp/297lb-ft (93 octane) --- 250HP/294TQ (91 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! 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! 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! 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 57HP & 85TQ on 93 Octane, 85HP & 134TQ on E85
Call In Or Chat For Best Price! 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
