APR ECU Upgrade - 4.0L GT3 (991.2)
Max gains of +33-69 WHP and +37-52 WFT-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.
This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
4487639
Mfg#:
ECU-40L-9912-GT3
APR Stage 3 DTR8563 2.5T EA855 EVO (MQB) Performance ECU Software - Upgrade From Lower Stage APR
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.
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
Stage I Performance Chip - 1 Program - Chip & Ship
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
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
Stage I Performance Chip - Fully Loaded
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.
This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
2792692
Mfg#:
B8.520TSTG1CHP-4
APR ECU Upgrade - 4.0T EA825 V8 (D5)
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.
This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
4460632
Mfg#:
ECU-40T-EA825-D5
APR ECU Upgrade - 4.0T EA825 V8 (RS6/RS7 Performance)
Max gains of +112-210 AWHP and +145-225 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. Vehicle must be brought to ECS Tuning for programming
This upgrade must be performed at ECS Tuning's facility in Ohio. Vehicle must be brought to ECS Tuning for programming
Brand:
ES#:
4872176
Mfg#:
ECU40TEA825C8P
APR Plus ECU Upgrade - 4.0T EA825 V8 (RS6/RS7 Performance)
Max gains of +124 AWHP and +142 AWFT-LBS and 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
Brand:
ES#:
4872177
Mfg#:
ECU40TEA825C8PAP
APR Plus ECU Upgrade - 2.9T EA839 V6 (C8 S6/S7)
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.
This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
4674721
Mfg#:
ECU29TEA839C8-P
Stage I Performance Chip - 1 Program - Direct Port
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 must be performed at ECS Tuning's facility in Ohio.
This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
2972461
Mfg#:
R842STG1CHPKT1
Stage I Performance Chip (With Customers Own ECU) - 1 Program
APR Presents Our 265HP 2.0T FSI Tuning Program for the Audi TT-S
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.
This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
1876555
Mfg#:
20TTTSTG1CHP-1
Looking to unlock the full potential of your Audi, Volkswagen, Porsche, or other European performance vehicle? APR, available at ECS Tuning, is the industry leader in performance tuning solutions, offering ECU tuning, turbocharger upgrades, exhaust systems, intake kits, and more. Whether you're after improved horsepower, torque, fuel efficiency, or enhanced throttle response, APR tuning solutions are designed to provide maximum performance gains with precision, reliability, and advanced engineering.