Gain up to 72 horsepower and 88 lb-ft of torque on 91 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Brand:
ES#:
4368652
Mfg#:
18TSI-IS12-1-UC
In Stock
ON SALE!
SAVE 18%
$814.99
This product was last offered at the strikethrough price on 06-22-2026
Average gain of 111 horsepower and 233 lb-ft of torque on 91 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada. For vehicles with DSG transmission only
Brand:
ES#:
4271502
Mfg#:
IESOVN42DSGKT
In Stock
ON SALE!
SAVE 15%
$1427.99
This product was last offered at the strikethrough price on 06-25-2026
Average gain of 68 horsepower and 111 lb-ft of torque
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
Brand:
ES#:
4056819
Mfg#:
IESOVN41DSG
In Stock
ON SALE!
SAVE 15%
$1327.99
This product was last offered at the strikethrough price on 06-25-2026
Average gain of 198 horsepower and 183 lb-ft of torque on 91 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada. For vehicles with manual transmission only - Requires clutch upgrade
Brand:
ES#:
4656988
Mfg#:
IESOVN44
In Stock
ON SALE!
SAVE 15%
$1178.99
This product was last offered at the strikethrough price on 06-25-2026
Average gain of 161 horsepower and 201 lb-ft of torque on 91 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada. For vehicles with manual transmission only - Requires clutch upgrade
Brand:
ES#:
4338808
Mfg#:
IESOVN43
In Stock
ON SALE!
SAVE 15%
$1028.99
This product was last offered at the strikethrough price on 06-25-2026
Gain up to 131 horsepower and 125 lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th Requires IS20 Turbo Upgrade in addition to other hardware upgrades. Please see description for details.
Brand:
ES#:
4368659
Mfg#:
18TSI-IS20-2-UC
In Stock
ON SALE!
SAVE 15%
$1014.99
This product was last offered at the strikethrough price on 06-22-2026
Optimized responsiveness and smoothness, increased rev limiter, launch control at 4000 RPM, kick-downs removed in manual mode, and more!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Brand:
ES#:
4365424
Mfg#:
TSI-MQB-DSG-2-UC
In Stock
ON SALE!
SAVE 17%
$864.99
This product was last offered at the strikethrough price on 06-22-2026
Average gain of 111 horsepower and 233 lb-ft of torque on 91 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada. For vehicles with manual transmission only
Brand:
ES#:
4271501
Mfg#:
IESOVN42
In Stock
ON SALE!
SAVE 15%
$828.99
This product was last offered at the strikethrough price on 06-25-2026
Higher RPM limit, faster shifts, optimized shift points, and adjustable launch control
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
Brand:
ES#:
3639371
Mfg#:
IESOCIX2
In Stock
ON SALE!
SAVE 10%
$728.99
This product was last offered at the strikethrough price on 06-25-2026
Gain up to 87 horsepower and 106 lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next Requires Unitronic 3 Inch Downpipe
Brand:
ES#:
4368656
Mfg#:
18TSI-IS12-2
In Stock
ON SALE!
SAVE 20%
$750.00
This product was last offered at the strikethrough price on 06-22-2026
Optimized responsiveness and smoothness, increased rev limiter, launch control at 4000 RPM, kick-downs removed in manual mode, and more!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Brand:
ES#:
4365423
Mfg#:
TSI-MQB-DSG-2
In Stock
ON SALE!
SAVE 21%
$700.00
This product was last offered at the strikethrough price on 06-22-2026
Gain up to 84 horsepower and 108 lb-ft of torque on 93 Octane
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next
Brand:
ES#:
4368654
Mfg#:
18TSI-IS12-1+
In Stock
ON SALE!
SAVE 21%
$700.00
This product was last offered at the strikethrough price on 06-22-2026
This upgrade can only be performed with the car at ECS Tuning's location in Ohio
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade must be performed at ECS Tuning's facility in Ohio.
Improves upon the DQ250 transmission’s function, drivability, and performance through a myriad of enhancement and custom features.
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the ne Upgrade must be performed with vehicle physically at ECS Tuning location in Ohio
Features CAN-Bus connectivity for more advanced tuning — gain up to 35hp/40lb-ft on a stock car, 90hp/70lb-ft on a modified car
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for sale or use in the state of California.
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
