Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle

Audi A3 Engine Chips, Tunes & Software

Sort By
Filter By
Return to Top
ES#4369228 - 18TSI-IS20-2D-UC - Unitronic Performance Software - Stage 2 IS20 - With UniCONNECT+ Cable & DSG Software - Gain up to 131 horsepower and 125 lb-ft of torque on 93 Octane - Unitronic - Audi Volkswagen

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 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
Requires IS20 Turbo Upgrade in addition to other hardware upgrades. Please see description for details.

Brand:
Unitronic - Corporate Logo
ES#:
4369228
Mfg#:
18TSI-IS20-2D-UC
In Stock
ON SALE! SAVE 10%
$1564.99

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

$1414.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3107892 - ed-2.0-tsi-KT - Eurodyne Reflash - With Powertap Air Flash Tool - Tune your car with just your laptop and choose gains ranging from 58-88 hp and 88-138 ft-lb of torque - Eurodyne - Audi Volkswagen

Tune your car with just your laptop and choose gains ranging from 58-88 hp and 88-138 ft-lb of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with TSI engine only

Brand:
Eurodyne - Corporate Logo
ES#:
3107892
Mfg#:
ED-2.0-TSI-KT
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3579469 - iesoclc2 - Stage 2 IE Performance ECU Tune With POWERlink Cable - Average gain of 64 horsepower and 98 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 64 horsepower and 98 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.
For vehicles with FSI engine only

Brand:
Integrated Engineering - Corporate Logo
ES#:
3579469
Mfg#:
IESOCLC2
In Stock
$678.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4368652 - 18TSI-IS12-1-UC - Unitronic Performance Software - Stage 1 - With UniCONNECT+ Cable - Gain up to 72 horsepower and 88 lb-ft of torque on 91 Octane - Unitronic - Audi Volkswagen

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 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#:
4368652
Mfg#:
18TSI-IS12-1-UC
In Stock
ON SALE! SAVE 18%
$814.99

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

$664.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4056819 - iesovn41dsg - Stage 1 IE Performance ECU Tune - Includes DSG Tune & POWERlink Cable - Average gain of 68 horsepower and 111 lb-ft of torque - Integrated Engineering - Audi Volkswagen

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:
Integrated Engineering - Corporate Logo
ES#:
4056819
Mfg#:
IESOVN41DSG
In Stock
$1327.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4877103 - 034-103-274A - 8P Audi A3 / 8U Q3 / TT MKII 2.0T TSI Gen 1 Dynamic+ Performance Software Package - Unleash up to 264HP/304TQ by transforming your VW/Audi EA888.1 with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! - 034Motorsport - Audi

Unleash up to 264HP/304TQ by transforming your VW/Audi EA888.1 with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Gen 1 TSI engine only

Brand:
034Motorsport - Corporate Logo
ES#:
4877103
Mfg#:
034-103-274A
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#3537714 - 20TMQBIS20PLUS - 2.0T MQB APR Plus Software - This upgrade can only be performed with the car at ECS Tuning's location in Ohio - APR - Audi Volkswagen

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.
See up to 290hp/320lb-ft This upgrade can only be performed with the car present at our facility.

Brand:
APR - Corporate Logo
ES#:
3537714
Mfg#:
20TMQBIS20PLUS
In Stock
$1199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4370470 - 20TSI-GEN3B-1+DU - Unitronic Performance Software - Stage 1+ - With UniCONNECT+ Cable & 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 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#:
4370470
Mfg#:
20TSI-GEN3B-1+DU
In Stock
ON SALE! SAVE 11%
$1314.99

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

$1164.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4370468 - 20TSI-GEN3B-1D-U - Unitronic Performance Software - Stage 1 - With UniCONNECT+ Cable & DSG Software - Gain up to 43 horsepower and 69 lb-ft of torque on 91 Octane - Unitronic - Audi

Gain up to 43 horsepower and 69 lb-ft of torque on 91 Octane 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#:
4370468
Mfg#:
20TSI-GEN3B-1D-U
In Stock
ON SALE! SAVE 12%
$1264.99

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

$1114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4339161 - 909644 - RaceChip GTS With App Control - Get up to +54 hp and +60 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Audi Volkswagen

Get up to +54 hp and +60 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 2010 model year only.

Brand:
Race Chip - Corporate Logo
ES#:
4339161
Mfg#:
909644
In Stock
$549.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4714891 - JB4-OBDII-CA - JB4 OBDII Cable - 2 Position (Cable Only) - Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Replacement JB4 OBDII cable suitable for use in all applications where the JB4 attaches to the OBDII port under the dash. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714891
Mfg#:
JB4-OBDII-CA
In Stock
$25.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4759411 - VLK0020010FF - COBB Stage 1 + Flex Fuel Power Package - Unleash the most out of your MK7/8V with this Stage 1 power pack from COBB! - CobbTuning - Audi Volkswagen

Unleash the most out of your MK7/8V with this Stage 1 power pack from COBB! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CobbTuning - Corporate Logo
ES#:
4759411
Mfg#:
VLK0020010FF
Ships in 3 Business Days
$1020.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4368659 - 18TSI-IS20-2-UC - Unitronic Performance Software - Stage 2 IS20 - With UniCONNECT+ Cable - Gain up to 131 horsepower and 125 lb-ft of torque on 93 Octane - Unitronic - Audi Volkswagen

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 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
Requires IS20 Turbo Upgrade in addition to other hardware upgrades. Please see description for details.

Brand:
Unitronic - Corporate Logo
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
05-21-2026

$864.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3098264 - cr-tdi-g-003KT - Stage 3 - With FlashZilla V3 - Average gain of 50 horsepower and 85 lb-ft of torque - Tunezilla - Audi Volkswagen

Average gain of 50 horsepower and 85 lb-ft of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires CR 170 turbo upgrade, vehicles equipped with DSG transmission require a DSG tune, clutch upgrade recommended for vehicles with manual transmissi

Brand:
Tunezilla - Corporate Logo
ES#:
3098264
Mfg#:
CR-TDI-G-003KT
Ships in 8 Business Days
$839.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3187663 - VLK0020010 - COBB Stage 1 Power Package - Unleash the most out of your MK7/8V with this Stage 1 power pack from COBB! - CobbTuning - Audi Volkswagen

Unleash the most out of your MK7/8V with this Stage 1 power pack from COBB! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states

Brand:
CobbTuning - Corporate Logo
ES#:
3187663
Mfg#:
VLK0020010
EO#:
D-660-93
In Stock
$800.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3468974 - ed-mt-mqb-KT - Maestro Tuning Suite - With Powertap Air Flash Tool - Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware - Eurodyne - Audi Volkswagen

Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Eurodyne - Corporate Logo
ES#:
3468974
Mfg#:
ED-MT-MQB-KT
In Stock
$799.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Chips, Tunes & Software

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

Let us help you find the parts that fit your Audi

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

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings