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Audi A4 Performance ECU & TCU Tuning

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ES#4694836 - 923572 - RaceChip RS + App - Get up to +41HP and +68lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +41HP and +68lb-ft through a safe and easy to use tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4694836
Mfg#:
923572
Ships in 5 Business Days
$408.00 USD
Free Shipping
ES#5237 - 20TSTG1CHIP-4 - Stage 1 Performance Chip - With Program Switching (Fully Loaded) - Average gain of 40 HP & 75 LB-FT torque on 93 octane program! - APR - Audi

Average gain of 40 HP & 75 LB-FT torque on 93 octane program! Call In Or Chat For Best Price!
This upgrade can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa
Ship your ECU for free, or drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
5237
Mfg#:
20TSTG1CHIP-4
In Stock
$749.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4339092 - 906976 - RaceChip GTS Black With App Control - Get up to +66 hp and +73 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip - Race Chip - Audi Porsche

Get up to +66 hp and +73 lb-ft through a safe and easy to use app-controlled tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4339092
Mfg#:
906976
Ships on Nov 25, 2026
$749.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5457715 - IESOWG12 - IE Pro ECU Tune With POWERlink Cable For Audi B9 A4 2017-2020 - 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. Please see "fitment notes" in the description for full vehicle information.

Brand:
Integrated Engineering - Corporate Logo
ES#:
5457715
Mfg#:
IESOWG12
In Stock
Starting at $184.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3659524 - dpp20tk04psKT - K04 Performance Software (New APR Customers) - With Program Switching (Fully Loaded) - Required software to properly upgrade to a K04 turbocharger - APR - Audi Volkswagen

Required software to properly upgrade to a K04 turbocharger Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
This upgrade can only be performed with the car present at our facility.

Brand:
APR - Corporate Logo
ES#:
3659524
Mfg#:
DPP20TK04PSKT
In Stock
$699.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4339091 - 906975 - RaceChip GTS Black - Get up to +66 hp and +73 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi Porsche

Get up to +66 hp and +73 lb-ft through a safe and easy to use tuning module from RaceChip

Brand:
Race Chip - Corporate Logo
ES#:
4339091
Mfg#:
906975
Ships on Nov 25, 2026
$699.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4464587 - 2.0T-MLB - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! 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#:
4464587
Mfg#:
2.0T-MLB
In Stock
Starting at $650.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Average gain of 68 horsepower and 92 lb-ft of torque on 93 Octane

Brand:
Tunezilla - Corporate Logo
ES#:
3437355
Mfg#:
TFSI-20T-2
Ships in 7 Business Days
$649.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4213365 - jb4-b8-ea888KT -   Burger Motorsports JB4 Tuner W/ Smartphone Wireless Connect Kit - Features CAN-Bus connectivity for more advanced tuning  gain up to 28whp/50lb-ft on a stock car - Burger Motorsports - Audi

Features CAN-Bus connectivity for more advanced tuning — gain up to 28whp/50lb-ft on a stock car Not for sale or use in the state of California.

Brand:
Burger Motorsports - Corporate Logo
ES#:
4213365
Mfg#:
JB4-B8-EA888KT
Ships in 5 Business Days
$638.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4428701 - 034-103-278 - 034Motorsport Dynamic+ Performance Software For B8 Audi A4/A5 & Q5 2.0 TFSI - Unleash up to 301HP/361TQ by transforming your Audi EA888.2 2.0T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! - 034Motorsport - Audi

Unleash up to 301HP/361TQ by transforming your Audi EA888.2 2.0T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! 2X Entries Into Our F80 M3 Sweepstakes
For Pre-facelift models with EA888 Gen 2 2.0T.

Brand:
034Motorsport - Corporate Logo
ES#:
4428701
Mfg#:
034-103-278
Ships in 2 Business Days
Starting at $180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4906480 - 64.02.13 - Neuspeed Power Module EVO - B9 A4 Quattro - Proprietary tune box designed specifically for the EA888.3 2.0L TFSI with gains of +50 Horsepower / 65 ft-lb of Torque! - Neuspeed - Audi

Proprietary tune box designed specifically for the EA888.3 2.0L TFSI with gains of +50 Horsepower / 65 ft-lb of Torque! Fits vehicles up to 2019

Brand:
Neuspeed - Corporate Logo
ES#:
4906480
Mfg#:
64.02.13
Ships in 2 Business Days
$649.00

This product was last offered at the strikethrough price on
08-12-2026

$616.99 USD
Free Shipping
ES#4906479 - 64.02.12 - Neuspeed Power Module EVO - B9 A4 FWD - Proprietary tune box designed specifically for the EA888.3B 2.0L Ultra TFSI with gains of +50 Horsepower / 65 ft-lb of Torque! - Neuspeed - Audi

Proprietary tune box designed specifically for the EA888.3B 2.0L Ultra TFSI with gains of +50 Horsepower / 65 ft-lb of Torque! Fits vehicles up to 2019

Brand:
Neuspeed - Corporate Logo
ES#:
4906479
Mfg#:
64.02.12
Ships in 2 Business Days
$649.00

This product was last offered at the strikethrough price on
08-12-2026

$616.99 USD
Free Shipping
ES#4906482 - 64.02.15 - Neuspeed Power Module EVO - B9.5 A4 Quattro - Proprietary tune box designed specifically for the EA888.3 2.0L 45 TFSI with gains of +30 Horsepower / 30 ft-lb of Torque! - Neuspeed - Audi

Proprietary tune box designed specifically for the EA888.3 2.0L 45 TFSI with gains of +30 Horsepower / 30 ft-lb of Torque! Compatible with 2020+ model years only

Brand:
Neuspeed - Corporate Logo
ES#:
4906482
Mfg#:
64.02.15
Ships in 2 Business Days
$649.00

This product was last offered at the strikethrough price on
08-12-2026

$616.99 USD
Free Shipping
ES#4428445 - 034-103-272 - B7 Audi A4 2.0T FSI Longitudinal Dynamic+ Performance Software Package - Unleash up to 303HP/317TQ by transforming your Audi B7 A4 2.0T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! - 034Motorsport - Audi

Unleash up to 303HP/317TQ by transforming your Audi B7 A4 2.0T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4428445
Mfg#:
034-103-272
Ships in 2 Business Days
Starting at $180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

More About Performance ECU & TCU Tuning

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