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Audi C8 RS 6 Quattro 4.0T Performance ECU & TCU Tuning

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Unitronic Performance Software - With UniCONNECT+ Cable

ES#4465412 - C8-4.0T-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! This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

Brand:
Unitronic - Corporate Logo
ES#:
4465412
Mfg#:
C8-4.0T-UC
In Stock
ON SALE!
Starting at $1614.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Plus ECU Upgrade - 4.0T EA825 V8 (RS)

ES#4405006 - ECU40TEA825RSAPR - APR Plus ECU Upgrade - 4.0T EA825 V8 (RS) - Max gains of +112 AWHP and +145 AWFT-LBS and a Limited Powertrain Warranty - APR - Audi

Max gains of +112 AWHP and +145 AWFT-LBS and a Limited Powertrain Warranty Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
For vehicles up through the 2023 model year only.

Brand:
APR - Corporate Logo
ES#:
4405006
Mfg#:
ECU40TEA825RSAPR
In Stock
$3999.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR ECU Upgrade - 4.0T EA825 V8 (RS)

ES#4405005 - ECU-40T-EA825-RS - APR ECU Upgrade - 4.0T EA825 V8 (RS) - Max gains of +112-210 AWHP and +145-225 AWFT-LBS depending on octane - APR - Audi

Max gains of +112-210 AWHP and +145-225 AWFT-LBS depending on octane Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
For vehicles up through the 2023 model year only.

Brand:
APR - Corporate Logo
ES#:
4405005
Mfg#:
ECU-40T-EA825-RS
In Stock
$1499.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Flashed @ ECS

ES#4465415 - C8-4.0T - 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#:
4465415
Mfg#:
C8-4.0T
In Stock
ON SALE!
Starting at $1450.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RaceChip XLR Throttle Controller With App Control

ES#4708643 - 999591 - RaceChip XLR Throttle Controller With App Control - Eliminate the delay in throttle response times with a simple XLR addition! Allows for Bluetooth connectivity for easy App based control. - Race Chip - Audi

Eliminate the delay in throttle response times with a simple XLR addition! Allows for Bluetooth connectivity for easy App based control.

Brand:
Race Chip - Corporate Logo
ES#:
4708643
Mfg#:
999591
Back Ordered
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$299.00 USD
Free Shipping
on orders $49 and up

APR Plus ECU Upgrade - 4.0T EA825 V8 (RS6/RS7 Performance)

ES#4872177 - ECU40TEA825C8PAP - APR Plus ECU Upgrade - 4.0T EA825 V8 (RS6/RS7 Performance) - Max gains of +124 AWHP and +142 AWFT-LBS and a Limited Powertrain Warranty - APR - Audi

Max gains of +124 AWHP and +142 AWFT-LBS and a Limited Powertrain Warranty Call In Or Chat For Best Price!

For vehicles from the 2024 model year only.

Brand:
APR - Corporate Logo
ES#:
4872177
Mfg#:
ECU40TEA825C8PAP
In Stock
$4999.99 USD

APR ECU Upgrade - 4.0T EA825 V8 (RS6/RS7 Performance)

ES#4872176 - ECU40TEA825C8P - APR ECU Upgrade - 4.0T EA825 V8 (RS6/RS7 Performance) - Max gains of +112-210 AWHP and +145-225 AWFT-LBS depending on octane - APR - Audi

Max gains of +112-210 AWHP and +145-225 AWFT-LBS depending on octane Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio. Vehicle must be brought to ECS Tuning for programming
For vehicles from the 2024 model year only.

Brand:
APR - Corporate Logo
ES#:
4872176
Mfg#:
ECU40TEA825C8P
In Stock
$2068.99 USD

IE Stage 1 ECU Tune With POWERlink Cable

ES#5504045 - IESOWC11 - IE Stage 1 ECU Tune With POWERlink Cable - Stage 1 ECU tune that unlocks up to 828 horsepower for C8 Audi RS6, RS7, S8, SQ7, SQ8, and RSQ8 models directly from your smartphone. - Integrated Engineering - Audi

Stage 1 ECU tune that unlocks up to 828 horsepower for C8 Audi RS6, RS7, S8, SQ7, SQ8, and RSQ8 models directly from your smartphone. 2024 model years are equipped with a new ECU version and are not currently compatible. See notes for more information.

Brand:
Integrated Engineering - Corporate Logo
ES#:
5504045
Mfg#:
IESOWC11
In Stock
Starting at $179.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Pure900 ECU Tune With POWERlink Cable

ES#5504043 - IESOWC13 - IE Pure900 ECU Tune With POWERlink Cable - Pure900 hybrid turbo ECU tune that unlocks up to 903 horsepower for C8 Audi RS6, RS7, S8, SQ7, SQ8, and RSQ8 models directly from your smartphone. - Integrated Engineering - Audi

Pure900 hybrid turbo ECU tune that unlocks up to 903 horsepower for C8 Audi RS6, RS7, S8, SQ7, SQ8, and RSQ8 models directly from your smartphone. 2024 model years are equipped with a new ECU version and are not currently compatible. See notes for more information.

Brand:
Integrated Engineering - Corporate Logo
ES#:
5504043
Mfg#:
IESOWC13
In Stock
Starting at $179.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Burger Motorsports JB4 Tuner

ES#4620151 - JB4-EA825-40TT - Burger Motorsports JB4 Tuner - Plug & play tune with gains up to 120hp/130lb-ft. - Burger Motorsports - Audi

Plug & play tune with gains up to 120hp/130lb-ft.

Brand:
Burger Motorsports - Corporate Logo
ES#:
4620151
Mfg#:
JB4-EA825-40TT
Ships on Sep 16, 2026
$1199.00

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

$879.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Power Module | EVO • MLBe C8 RS 6 4.0T

ES#5504938 - 64.02.25 - Power Module | EVO MLBe C8 RS 6 4.0T - Introducing the NEUSPEED Power Module EVOthe ultimate plug-and-play tuning solution. - Neuspeed - Audi

Introducing the NEUSPEED Power Module EVO—the ultimate plug-and-play tuning solution.

Brand:
Neuspeed - Corporate Logo
ES#:
5504938
Mfg#:
64.02.25
Ships in 2 Business Days
5% off MSRP

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

$649.00

This product was last offered at the strikethrough price on
08-29-2026

$616.99 USD
Free Shipping

12v Power Supply W/ Accessory Socket NAR (TypeA) Style Plug

ES#5480400 - UH005-TL1 - 12v Power Supply W/ Accessory Socket NAR (TypeA) Style Plug - Unitronic 12V Power Adapter is used in conjunction with our bench flash harness to allow for ease of use with any North American style wall plug. - Unitronic - Audi

Unitronic 12V Power Adapter is used in conjunction with our bench flash harness to allow for ease of use with any North American style wall plug.

Brand:
Unitronic - Corporate Logo
ES#:
5480400
Mfg#:
UH005-TL1
Ships in 5 Business Days
$43.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Bench Harness For ALx52

ES#5480399 - UH016-TLA - Unitronic Bench Harness For ALx52 - Say goodbye to your locked "401" bootloader thanks to Unitronic new TCU Unlock Tools which are seamlessly integrated with the UniCONNECT+ flashing application for end-users. - Unitronic - Audi

Say goodbye to your locked "401" bootloader thanks to Unitronic new TCU Unlock Tools which are seamlessly integrated with the UniCONNECT+ flashing application for end-users.

Brand:
Unitronic - Corporate Logo
ES#:
5480399
Mfg#:
UH016-TLA
Ships in 5 Business Days
$74.99 USD
This product is lifetime replacement eligible Lifetime Replacement

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