Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. Includes JB4 side repair harness molex pigtail.
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
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
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
For vehicles from the 2024 model year only.
Brand:
ES#:
4872177
Mfg#:
ECU40TEA825C8PAP
In Stock
ON SALE!
SAVE 20%
$4999.99
This product was last offered at the strikethrough price on 09-28-2026
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 For vehicles from the 2024 model year only.
Brand:
ES#:
4872176
Mfg#:
ECU40TEA825C8P
In Stock
ON SALE!
SAVE 20%
$2068.99
This product was last offered at the strikethrough price on 09-28-2026
Higher peak numbers of 555 HP/609 FT-LBS on 91 octane - Up to 597 HP/668 FT-LBS on 100 octane race fuel *with APR PLUS 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#:
3689890
Mfg#:
DPP-4.0T-APRPLUS
In Stock
ON SALE!
SAVE 20%
$1599.99
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 must be performed at ECS Tuning's facility in Ohio. Drive your vehicle to our location
Brand:
ES#:
2972461
Mfg#:
R842STG1CHPKT1
In Stock
ON SALE!
SAVE 20%
$1349.99
This product was last offered at the strikethrough price on 09-28-2026
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. 306hp/293lb-ft (93 octane) The 2.0T ECU's can only be direct ported at this time, we cannot flash ecu without having the car at our facility.
Brand:
ES#:
1876555
Mfg#:
20TTTSTG1CHP-1
In Stock
ON SALE!
SAVE 20%
$644.00
This product was last offered at the strikethrough price on 09-28-2026
Max gains of +128 AWHP and +165 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 This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand:
ES#:
4460769
Mfg#:
ECU40TEA825D5APR
In Stock
ON SALE!
SAVE 20%
$1999.99
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! 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#:
3411788
Mfg#:
18TIS38KT1
In Stock
ON SALE!
SAVE 20%
$749.99
This product was last offered at the strikethrough price on 09-28-2026
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.
Lifetime Replacement
