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Audi RS3 8V (2018+) 2.5T Performance Tunes & Software

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ES#4684889 - 034-103-3306 - Dynamic+ End User Flashing Kit R4 (Flashing Device Only - Tuning Not Included) - End User Flashing allows Dynamic+ Performance Software customers to receive and install software updates and revisions, flash back to stock, or upgrade to the next stage of performance software for their vehicle. - 034Motorsport - Audi Volkswagen

End User Flashing allows Dynamic+ Performance Software customers to receive and install software updates and revisions, flash back to stock, or upgrade to the next stage of performance software for their vehicle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
The 034SPI Mobile App is only available on vehicles with Dynamic+ Tuning installed. You must purchase Dynamic+ Tuning for your Audi or Volkswagen to access the Dynamic+ Flashing Suite and 034SPI Mobile Application.

Brand:
034Motorsport - Corporate Logo
ES#:
4684889
Mfg#:
034-103-3306
EO#:
D-850
In Stock
$180.00 USD
Free Shipping
ES#4389407 - 25TFSIEVO-UC - Unitronic Performance Software - With UniCONNECT+ Cable - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! 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:
Unitronic - Corporate Logo
ES#:
4389407
Mfg#:
25TFSIEVO-UC
In Stock
Starting at $1064.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4727518 - EM100039 - APR Remote Tuning Service Install Cable - APR can now remotely tune you car from anywhere in the world! Simply purchase the APR RTS Install Cable and setup a remote tuning session with APR or participating APR Dealer. - APR - Audi Volkswagen Porsche

APR can now remotely tune you car from anywhere in the world! Simply purchase the APR RTS Install Cable and setup a remote tuning session with APR or participating APR Dealer. 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!
Tuning must be performed by APR or a participating dealer. ECS Tuning does not offer the APR Remote Tuning Service at this time.

Brand:
APR - Corporate Logo
ES#:
4727518
Mfg#:
EM100039
In Stock
$163.95 USD
Free Shipping
ES#4624165 - EM100050 - APR Throttle Booster  - Wireless Controller with Blutooth Mobile connectivity - APR - Audi Volkswagen Porsche

Wireless Controller with Blutooth Mobile connectivity 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!

Brand:
APR - Corporate Logo
ES#:
4624165
Mfg#:
EM100050
In Stock
11% off MSRP

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

$316.95

This product was last offered at the strikethrough price on
03-13-2026

$280.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3579968 - iesocqo - Stage 1 IE Performance ECU Tune With POWERlink Cable - Average gain of 102 horsepower and 123 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 102 horsepower and 123 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.

Brand:
Integrated Engineering - Corporate Logo
ES#:
3579968
Mfg#:
IESOCQO
In Stock
$878.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3618188 - iesocqo2 - Stage 2 IE Performance ECU Tune With POWERlink Cable - Average gain of 158 horsepower and 184 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 158 horsepower and 184 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.

Brand:
Integrated Engineering - Corporate Logo
ES#:
3618188
Mfg#:
IESOCQO2
In Stock
$978.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4213370 - JB4-BETA-8V2RS3 - Burger Motorsports JB4 Tuner - Features CAN-Bus connectivity for more advanced tuning  gain up to 50whp/65lb-ft on a stock car - Burger Motorsports - Audi

Features CAN-Bus connectivity for more advanced tuning — gain up to 50whp/65lb-ft on a stock 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#:
4213370
Mfg#:
JB4-BETA-8V2RS3
Ships in 2 Business Days
$599.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4369765 - 25TFSIEVO-DSG-2U - Unitronic DSG Performance Software - Stage 2 - With UniCONNECT+ Cable - Up to 70% quicker shifts, launch control limit removed, increased clamping pressure, and more! - Unitronic - Audi

Up to 70% quicker shifts, launch control limit removed, increased clamping pressure, 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:
Unitronic - Corporate Logo
ES#:
4369765
Mfg#:
25TFSIEVO-DSG-2U
In Stock
$1014.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4424916 - 034-103-281 - 8V Audi RS3 2.5TFSI EVO Dynamic+ Performance Software Package - Unleash up to 585HP/521TQ by transforming your Audi 2.5T DAZA with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! - 034Motorsport - Audi

Unleash up to 585HP/521TQ by transforming your Audi 2.5T DAZA with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4424916
Mfg#:
034-103-281
Ships in 1 Business Day
Starting at $180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4376645 - 25TFSIEVO - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! 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:
Unitronic - Corporate Logo
ES#:
4376645
Mfg#:
25TFSIEVO
In Stock
Starting at $900.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4370417 - 25TFSIEVO-DSG-2 - Unitronic DSG Performance Software - Stage 2 - Up to 70% quicker shifts, launch control limit removed, increased clamping pressure, and more! - Unitronic - Audi

Up to 70% quicker shifts, launch control limit removed, increased clamping pressure, 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:
Unitronic - Corporate Logo
ES#:
4370417
Mfg#:
25TFSIEVO-DSG-2
In Stock
$850.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4415272 - AP3-OBDII-CABLE- - AP3 OBD2 UNIVERSAL CABLE - Tidy up your cabin with the COBB OBDII Universal Cable! - CobbTuning - Audi BMW Volkswagen Porsche

Tidy up your cabin with the COBB OBDII Universal Cable! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CobbTuning - Corporate Logo
ES#:
4415272
Mfg#:
AP3-OBDII-CABLE-
In Stock
$85.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4213373 - jb4-beta-8v2rsKT - Burger Motorsports JB4 Tuner W/ Smartphone Wireless Connect Kit - Features CAN-Bus connectivity for more advanced tuning  gain up to 50whp/65lb-ft on a stock car - Burger Motorsports - Audi

Features CAN-Bus connectivity for more advanced tuning — gain up to 50whp/65lb-ft on a stock 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#:
4213373
Mfg#:
JB4-BETA-8V2RSKT
Ships in 2 Business Days
$758.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3579764 - DPP-2.5T-GEN2 - APR Stage 1 Performance ECU Software - Max gains of +66-132 AWHP and +88-134 AWFT-LBS depending on octane - APR - Audi

Max gains of +66-132 AWHP and +88-134 AWFT-LBS depending on 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.

Brand:
APR - Corporate Logo
ES#:
3579764
Mfg#:
DPP-2.5T-GEN2
In Stock
$699.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4005765 - DPP-DQ500-MQB - APR TCU Upgrade - 7-Speed DSG/S-tronic (DQ500) - Dramatically improves upon the DQ500 transmission™s function, drivability, and performance through a myriad of enhancement and custom features - APR - Audi

Dramatically improves upon the DQ500 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 must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
4005765
Mfg#:
DPP-DQ500-MQB
In Stock
$659.99 USD
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

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.

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