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Audi Performance ECU Software / Tuning

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ES#4899283 - 25TG2STG3UPG - APR Stage 3 DTR8563 2.5T EA855 EVO (MQB) Performance ECU Software - Upgrade From Stock - Max gains of +166-289 AWHP and +117-203 AWFT-LBS depending on octane - APR - Audi

Max gains of +166-289 AWHP and +117-203 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!
Must have Auth Code from T4100004 to purchase. Requires TCU tune. This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
4899283
Mfg#:
25TG2STG3UPG
In Stock
$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Does not include injectors - Gains of up to 55 HP & 100 LB-FT torque 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.
For existing Stage 1 customers upgrading to Stage 1+. Drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
2918519
Mfg#:
B6A4STG1UPGRDKT
In Stock
$150.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4338809 - iesovn43dsg - IS20 Turbo IE Performance ECU Tune - Includes DSG Tune & POWERlink Cable - Average gain of 161 horsepower and 201 lb-ft of torque on 91 Octane - Integrated Engineering - Audi Volkswagen

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.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4338809
Mfg#:
IESOVN43DSG
In Stock
$1627.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5457715 - IESOWG12 - IE Pro ECU Tune With POWERlink Cable - Unleash the potential of your build with the Pro version, adding Stage 2 support and aggressive features and high-torque files. - Integrated Engineering - Audi

Unleash the potential of your build with the Pro version, adding Stage 2 support and aggressive features and high-torque files. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5457715
Mfg#:
IESOWG12
In Stock
Starting at $179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3579461 - iesocot1 - Stage 1 IE Performance ECU Tune With POWERlink Cable - Average gain of 46 horsepower and 62 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 46 horsepower and 62 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#:
3579461
Mfg#:
IESOCOT1
In Stock
$639.99

This product was last offered at the strikethrough price on
12-09-2025

$628.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5470197 - IESOVN93 - IE Apex ECU Tune With POWERlink Cable - The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower. - Integrated Engineering - Audi Volkswagen

The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5470197
Mfg#:
IESOVN93
In Stock
Starting at $179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5457567 - IESOVN16 - IE Apex ECU Tune With POWERlink Cable - The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower. - Integrated Engineering - Audi Volkswagen

The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5457567
Mfg#:
IESOVN16
In Stock
Starting at $179.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5457716 - IESOWG13 - IE Apex ECU Tune With POWERlink Cable - The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower. - Integrated Engineering - Audi

The ultimate "no-limits" tier that provides access to every stage and map, including Stage 3 big turbo files for maximum horsepower. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5457716
Mfg#:
IESOWG13
In Stock
Starting at $179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4662407 - iesovz21tcu2 - Stage 1 IE Performance ECU Tune - Includes Stage 2 TCU Tune & POWERlink Cable - Average gain of 61 horsepower and 99 lb-ft of torque on 91 Octane with stock hardware - Integrated Engineering - Audi

Average gain of 61 horsepower and 99 lb-ft of torque on 91 Octane with stock hardware 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#:
4662407
Mfg#:
IESOVZ21TCU2
In Stock
$1777.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5457714 - IESOWG11 - IE Core ECU Tune With POWERlink Cable - The perfect entry point for a stock car, delivering a massive Stage 1 power bump with no additional hardware required. - Integrated Engineering - Audi

The perfect entry point for a stock car, delivering a massive Stage 1 power bump with no additional hardware required. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5457714
Mfg#:
IESOWG11
In Stock
Starting at $179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3579460 - iesocot2 - Stage 2 IE Performance ECU Tune With POWERlink Cable - Average gain of 66 horsepower and 87 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 66 horsepower and 87 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#:
3579460
Mfg#:
IESOCOT2
In Stock
$678.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5470196 - IESOVN92 - IE Pro ECU Tune With POWERlink Cable  - Unleash the potential of your build with the Pro version, adding Stage 2 support and aggressive features and high-torque files. - Integrated Engineering - Audi Volkswagen

Unleash the potential of your build with the Pro version, adding Stage 2 support and aggressive features and high-torque files. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
5470196
Mfg#:
IESOVN92
In Stock
Starting at $179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5339748 - JB4-GEN1-TSI - Burger Motorsports JB4 Tuner *Scratch And Dent* - Plug & play power  Gains starting at 25bhp/50lb-ft on a stock car! - Scratch & Dent - Audi Volkswagen

Plug & play power — Gains starting at 25bhp/50lb-ft on a stock car! ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
5339748
Mfg#:
JB4-GEN1-TSI
In Stock
ON SALE! SAVE 12%
$479.00

This product was last offered at the strikethrough price on
05-02-2026

$421.52 USD
Free Shipping
on orders $49 and up
ES#4370469 - 20TSI-GEN3B-1+D - Unitronic Performance Software - Stage 1+ - With DSG Software - Gain up to 65 horsepower and 83 lb-ft of torque on 93 Octane - Unitronic - Audi

Gain up to 65 horsepower and 83 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:
Unitronic - Corporate Logo
ES#:
4370469
Mfg#:
20TSI-GEN3B-1+D
In Stock
ON SALE! SAVE 13%
$1150.00

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

$1000.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4376317 - 30T-EA839-1 - Unitronic Performance Software - Stage 1 - Gain up to 69 horsepower and 97 lb-ft of torque on 91 Octane - Unitronic - Audi

Gain up to 69 horsepower and 97 lb-ft of torque on 91 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:
Unitronic - Corporate Logo
ES#:
4376317
Mfg#:
30T-EA839-1
In Stock
ON SALE! SAVE 18%
$850.00

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

$700.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4368661 - 18TSI-IS38-2+ - Unitronic Performance Software - Stage 2+ IS38 - Gain up to 182 horsepower and 139 lb-ft of torque on 93 Octane - Unitronic - Audi Volkswagen

Gain up to 182 horsepower and 139 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 Stage 2 TCU Performance Software in addition to other hardware upgrades. Please see description for details.

Brand:
Unitronic - Corporate Logo
ES#:
4368661
Mfg#:
18TSI-IS38-2+
In Stock
ON SALE! SAVE 15%
$1000.00

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

$850.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance ECU Software / Tuning

Add power and performance with special ECU software upgrades from recognized tuning leaders like APR, 034Motorsport, Unitronic, Integrated Engineering. Let our trained support staff show you how to pick the performance ECU software upgrade that suits your driving preferences and budget.

Other Audi Performance ECU Software / Tuning

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Manufacturer names and/or part numbers are used only for identification purposes.

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