Get $250 Towards vehicle-optimized hardware In-Store

‌
‌

Vehicle
- Vehicle
Products
- Products
- New & Hot Products
- Electronics
- Wheel and Accessories
  - Products / Wheel and Accessories
  - Also in Wheel and Accessories
  - Valve Stem Caps
  - Wheel Bolts
  - View All
- APR Performance Packages
  - Products / APR Performance Packages
- Engine
  - Products / Engine
  - Also in Engine
  - Catch Cans
  - Charge Air Hoses and Pipes
  - Diverter Valves
  - Engine Covers
  - Engine Internals
  - Fueling
  - Gauges and Pods
  - Supercharger Pulleys
  - Throttle Bodies
  - Turbocharger Systems
  - View All
- Brakes
  - Products / Brakes
  - Also in Brakes
  - Big Brake Kit Replacement Discs
  - View All
- Software & Tuning
  - Products / Software & Tuning
  - Also in Software & Tuning
  - AWD
  - Suspension SCU Upgrade
  - Throttle Boosters
  - View All
- Suspension and Mounts
  - Products / Suspension and Mounts
  - Also in Suspension and Mounts
  - Mounts and Inserts
  - Springs
  - Suspension Braces
  - Suspension Control Unit (SCU) Upgrade
  - View All
- Cosmetics and Gear
  - Products / Cosmetics and Gear
  - Also in Cosmetics and Gear
  - Fender Covers
  - Flags
  - License Plates and Frames
  - Valve Stem Caps
  - Wiper Deletes
  - View All
- Exhaust Systems
  - Products / Exhaust Systems
  - Also in Exhaust Systems
  - Optional Catback Mufflers and Pipes
  - Universal Components
  - View All
- Transmission & Drivetrain
  - Products / Transmission & Drivetrain
- Fluids, Lubricants, and Chemicals
Deals
- Deals
- Clearance
- Sale
Dealers
- Dealers
- Why APR Dealers
- Find a Dealer
- Become a Dealer
News
- News
- Blog
- Latest Products
- Events
Support
Company
- Company
- About APR
- Videos
- Terms of Service
- Careers
- Style Guide
- Privacy Policy
- Photos
1-800-680-7921

APR

‌

Menu

Log Out

Ask our Experts, we're here to help!

Monday - Friday 8AM - 5PM CST

Saturday 8AM - 2PM CST

What Are You Working On?

New & Hot Products
APR Performance Packages
Software & Tuning
Exhaust Systems
Electronics
Engine
Suspension and Mounts
Transmission & Drivetrain
Wheel and Accessories
Brakes
Cosmetics and Gear
Fluids, Lubricants, and Chemicals

APR Power Pack
APR Power Pack Pro
APR Turbo Pack
View All

Engine ECU Upgrade
Transmission TCU Upgrade
Engine Power Control Unit (PCU)
Ultralink
AWD
Suspension SCU Upgrade
Throttle Boosters
View All

Catback Exhaust Systems
Exhaust Tips
Exhaust Valve Accessories
Fit Kits and Adapters
Optional Catback Mufflers and Pipes
Universal Components
View All

Intake Systems
Intercoolers
Ignition
Boost Taps
Catch Cans
Charge Air Hoses and Pipes
Diverter Valves
Engine Covers
Engine Internals
Fueling
Gauges and Pods
Supercharger Pulleys
Throttle Bodies
Turbocharger Systems
View All

Stabilizer Bars
Bumpstops
Coilovers
End Links
Mounts and Inserts
Springs
Suspension Braces
Suspension Control Unit (SCU) Upgrade
View All

Catch Cans
Haldex Service Parts
Shifter Cable Bracketry
Short Shifters
View All

Accessories
Center Caps
Flow Formed Wheels
Spacers
Valve Stem Caps
Wheel Bolts
View All

Direct Replacement Brake Pads
Big Brake Kits
Direct Replacement Brake Lines
Big Brake Kit Pads
Big Brake Kit Replacement Discs
View All

Steering Wheels
Badges
Body Kit Components
Decals
Fender Covers
Flags
License Plates and Frames
Valve Stem Caps
Wiper Deletes
View All

Clearance
Sale

Why APR Dealers
Find a Dealer
Become a Dealer

Blog
Latest Products
Events

Support
Contact Us
ECU Box Code Guide
TCU Box Code Guide
SFD Information
Fuel Guide
ECU/TCU Tune Pricing
Dealer Redemption Form
APR Plus Warranty Booklet
EMCS Operating Instructions
EMCS Operating Instructions (Porsche)
MK6 Gold R ESP Defeat
ZF8 Disable Auto Upshift
VCDS Diagnostics Guide
Launch Control/NLS Diagnosis
EMCS Home Programmer Files/Info
ME7 Immobilizer
V-Tune
HPFP Order Form
ECU Order Form

About APR
Careers
Photos
Videos
Style Guide
Terms of Service
Privacy Policy

Home /
Audi TT RS Quattro /
Software & Tuning /
Engine ECU Upgrade /
Gasoline ECU Upgrades

Audi TT RS Quattro Gasoline ECU Upgrades

Find Your Parts
Clear Selection

Sort By:

Featured
Most Popular
Best Deal
Price (low to high)
Price (high to low)
New Arrivals

Filter

5 Cylinder Engine ECU Upgrades Subcategories

Porsche Engine Chip and ECU Upgrades Subcategories

Availability

In Stock (1)

price

Min

to

Max

Engine Family

EA855 EVO (1)
EA855 GDI (1)

Market

NAR (2)
ROW (2)

vehicle: Audi TT RS Quattro

Applied Filters:Clear All

Items 1 - 3 of 3 Items

Sort By:

Featured
Most Popular
Best Deal
Price (low to high)
Price (high to low)
New Arrivals

APR
APR Remote Tuning Service - ECU/TCU Install Cable Fits Most APR ECU/TCU supported vehicles - Audi / VW / Porsche / Bentley / Lamborghini

Part# EM100039
Free Shipping

$163.95

Compare
APR
APR ECU Upgrade - 2.5T EA855 EVO 2.5T I5 Engine Tune for the Audi RS3 17-20, TT RS Quattro 18-22

Part# ECU-25T-EA855-EVO
In Stock

$749.95

Compare
APR
APR ECU Upgrade - 2.5T EA855 (PQ35 RS3/TTRS) 2.5T I5 Engine Tune for the Audi TT RS Quattro 11-14

Part# ECU-25T-EA855-PQ35

$649.95

Compare

1

About Us

Founded in 1997, APR is the global leader in performance aftermarket products for Volkswagen, Audi, Seat, Skoda, Porsche, and other vehicles. APR develops and manufactures hardware, software, calibration & data-logging tools for engine and transmission controllers, including intakes, exhaust systems, intercoolers, turbocharger systems, suspension, brake systems, wheels, and more. APR delivers software via a 24-hour automated global delivery system from its 80,000 square foot state of the art facility in Opelika, Alabama.

Stay Informed

THANK YOU!

YOU WILL RECEIVE A VERIFICATION EMAIL SHORTLY TO COMPLETE YOUR SIGN-UP.

Contact an Expert

4800 HWY 280 W, Opelika, AL 36801, USA
+1 (800) 680-7921

Copyright© 2023 by APR, LLC. All Rights Reserved. Notice: Products that affect emissions, and do not carry a California Air Resources Board Executive Order, are not for sale in California, USA. Some products may not comply with local laws, and some may affect parts of the manufacturer's warranty. Software tuning requiring or supporting the removal of factory-equipped emissions control systems (often referred to as “Stage 2” for turbocharged vehicles) is not available for the US market. Some products may require additional modifications and additional maintenance. Individual results may vary depending on vehicle setup, quality of install, environmental conditions, overall vehicle health, testing equipment, and more. Pricing is in USD for the US market, and all pricing and information are for reference only. For specific information and questions contact an APR representative. Terms & Conditions | Privacy Policy | Warranty Information

Founded in 1997, APR is the global leader in performance aftermarket products for Volkswagen, Audi, Seat, Skoda, Porsche, and other vehicles. APR develops and manufactures hardware, software, calibration, and data-logging tools for engine and transmission controllers, including intakes, exhaust systems, intercoolers, turbocharger systems, suspension, brake systems, wheels, and more. APR delivers software via a 24-hour automated global delivery system from its 80,000 square foot state of the art facility in Opelika, Alabama.

Copyright© 2024 by APR, LLC. All Rights Reserved. Notice: Products that affect emissions, and do not carry a California Air Resources Board Executive Order, are not for sale in California, USA. Some products may not comply with local laws, and some may affect parts of the manufacturer's warranty. Software tuning requiring or supporting the removal of factory-equipped emissions control systems (often referred to as “Stage 2” for turbocharged vehicles) is not available for the US market. Some products may require additional modifications and additional maintenance. Individual results may vary depending on vehicle setup, quality of install, environmental conditions, overall vehicle health, testing equipment, and more. Pricing is in USD for the US market, and all pricing and information are for reference only. For specific information and questions contact an APR representative.

Terms & Conditions | Privacy Policy | Warranty Information