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Audi 8V S3 Quattro 2.0T Sedan Performance Tunes & Software

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ES#4365424 - TSI-MQB-DSG-2-UC - Unitronic DSG Performance Software - Stage 2 - With UniCONNECT+ Cable - Optimized responsiveness and smoothness, increased rev limiter, launch control at 4000 RPM, kick-downs removed in manual mode, and more! - Unitronic - Audi Volkswagen

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 Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

Brand:
Unitronic - Corporate Logo
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
05-21-2026

$714.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3107894 - ed-r-s3-KT - Eurodyne Reflash - With Powertap Air Flash Tool - Tune your car with just your laptop and choose gains ranging from 45-102 hp and 70-136 ft-lb of torque - Eurodyne - Audi Volkswagen

Tune your car with just your laptop and choose gains ranging from 45-102 hp and 70-136 ft-lb of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Eurodyne - Corporate Logo
ES#:
3107894
Mfg#:
ED-R-S3-KT
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3468975 - ed-dsg-KT - DSG Performance Software - With Powertap Air Flash Tool - Upgrade your DSG software through your vehicle's OBD2 port! - Eurodyne - Audi Volkswagen

Upgrade your DSG software through your vehicle's OBD2 port! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Eurodyne - Corporate Logo
ES#:
3468975
Mfg#:
ED-DSG-KT
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4877175 - 034-103-254AA - 8V Audi RS3/S3/A3 TTS DQ250 MQB Dynamic+ Performance TCU Software Package - Transform the shifting performance of your MQB DQ250 with Dynamic+ Tuning - enhancing the acceleration & drivability of your transmission! - 034Motorsport - Audi

Transform the shifting performance of your MQB DQ250 with Dynamic+ Tuning - enhancing the acceleration & drivability of your transmission! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with DQ250-MQB transmission only.

Brand:
034Motorsport - Corporate Logo
ES#:
4877175
Mfg#:
034-103-254AA
Ships in 1 Business Day
Starting at $0.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4365423 - TSI-MQB-DSG-2 - Unitronic DSG Performance Software - Stage 2 - Optimized responsiveness and smoothness, increased rev limiter, launch control at 4000 RPM, kick-downs removed in manual mode, and more! - Unitronic - Audi Volkswagen

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 Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
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
05-21-2026

$550.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4389432 - 20TSI-IS38 - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi Volkswagen

Choose the stage that meets your power goals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4389432
Mfg#:
20TSI-IS38
In Stock
ON SALE!
Starting at $500.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3980778 - DPP-DQ381-STK -  DQ381 DSG Performance Software Upgrade  - Improves upon the DQ381 transmissions function, drivability, and performance through a myriad of enhancement and custom features. - APR - Audi Volkswagen

Improves upon the DQ381 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
For vehicles with 7-speed DSG (DQ381) transmission only. Upgrade must be performed with vehicle physically at ECS Tuning location in Ohio

Brand:
APR - Corporate Logo
ES#:
3980778
Mfg#:
DPP-DQ381-STK
In Stock
$499.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4505470 - ECU20T3TIS38 - 2.0T MQB APR IS38 Software - Unlock hidden horsepower and torque with our performance tuning software for your vehicle's ECU. - APR - Audi Volkswagen

Unlock hidden horsepower and torque with our performance tuning software for your vehicle's ECU. 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.

Brand:
APR - Corporate Logo
ES#:
4505470
Mfg#:
ECU20T3TIS38
In Stock
$499.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4500952 - TCU-DQ381-MQB - APR TCU Upgrade - 7-Speed DSG (DQ381) - Optimize the driving experience with performance tuning software for your vehicle's Transmission Control Unit (TCU). - APR - Audi Volkswagen

Optimize the driving experience with performance tuning software for your vehicle's Transmission Control Unit (TCU). 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.
For vehicles with 7-speed DSG (DQ381) transmission only. This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
4500952
Mfg#:
TCU-DQ381-MQB
In Stock
$499.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2855989 - S320TMQBIS38SPKT - Stage 1 Performance Software Upgrade - Gains up to 74HP & 98TQ on 93 Octane - APR - Audi

Gains up to 74HP & 98TQ on 93 Octane 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.
Vehicle must be brought to ECS Tuning for programming

Brand:
APR - Corporate Logo
ES#:
2855989
Mfg#:
S320TMQBIS38SPKT
In Stock
$499.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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
For vehicles with 6-speed DSG (DQ250) transmission only. Upgrade must be performed with vehicle physically at ECS Tuning location in Ohio

Brand:
APR - Corporate Logo
ES#:
2960798
Mfg#:
DQ250MQB20T
In Stock
$499.95 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3514905 - JB4-MQB-2.0-AWD - Burger Motorsports JB4 Tuner - Features CAN-Bus connectivity for more advanced tuning  gain up to 45hp/45lb-ft on a stock car, 100hp/70lb-ft horsepower on a modified car - Burger Motorsports - Audi Volkswagen

Features CAN-Bus connectivity for more advanced tuning — gain up to 45hp/45lb-ft on a stock car, 100hp/70lb-ft horsepower 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.

Brand:
Burger Motorsports - Corporate Logo
ES#:
3514905
Mfg#:
JB4-MQB-2.0-AWD
Ships on Jun 19, 2026
$479.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3438561 - 77-46405 - AFE Power SCORCHER GT Module - A simple 30 minute install that will give you a huge increase in power! - AFE - Audi Volkswagen

A simple 30 minute install that will give you a huge increase in power! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
3438561
Mfg#:
77-46405
Back Ordered
20% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$563.99

This product was last offered at the strikethrough price on
01-28-2026

$451.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4365421 - TSI-MQB-DSG-1 - Unitronic DSG Performance Software - Stage 1 - Optimized responsiveness and smoothness, increased rev limiter, launch control at 3600 RPM, and more! - Unitronic - Audi Volkswagen

Optimized responsiveness and smoothness, increased rev limiter, launch control at 3600 RPM, and more! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 5/22/26 - 6/5/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4365421
Mfg#:
TSI-MQB-DSG-1
In Stock
ON SALE! SAVE 25%
$600.00

This product was last offered at the strikethrough price on
05-21-2026

$450.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4339289 - 914052 - RaceChip RS With App Control - Get up to +61 hp and +62 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Audi Volkswagen

Get up to +61 hp and +62 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through the 2017 model year only.

Brand:
Race Chip - Corporate Logo
ES#:
4339289
Mfg#:
914052
Ships on Jun 19, 2026
$449.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4220062 - 77-16408 - Sprint Booster V3 Power Converter - Improve your Audi's throttle response and overall drivability with this Sprint Booster Power Converter. - AFE - Audi

Improve your Audi's throttle response and overall drivability with this Sprint Booster Power Converter. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
4220062
Mfg#:
77-16408
In Stock at Vendor
20% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$392.99

This product was last offered at the strikethrough price on
01-28-2026

$314.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Tunes & Software

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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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