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APR ECU Upgrade - 2.0T EA888 Gen 3 IS20 (Transverse) (PQ35)
Unlock hidden horsepower and torque with our performance tuning software for your vehicle's Engine Control Unit (ECU).
PART# ECU-20T-EA888-3-T-IS20-PQ35
Overview
Features:
- Horsepower - More horsepower throughout the whole rpm band
- Torque - More torque throughout the whole rpm band
- Fuel Grades - Multiple octanes from which to choose
- Stages - Multiple performance levels depending on installed hardware
- Acceleration - Accelerate faster with more power and reduced throttle lag
- Linear Throttle - Pedal maps adjusted for a more linear feel
- Brake Boosting - Left foot braking or brake boosting added
- Speed Limiter - Go as fast as you want with the speed limiter out of the way
- Standing Limiter - Increased standing limiter for higher revving at idle
- Motorsport Limiter - With the soft limiter removed, you’ll get full power right up to the hard, “bap bap bap” redline fuel cut
- Economy - While cruising, or driving normally, your fuel economy may benefit from our optimized calibration
- Direct Port Programming - Clean and easy install through the OBD II port without removing the ECU
- Free Updates - Get free updates for life
- Guarantee - 30 day money back guarantee
Specs
Brand | APR |
---|---|
Emission Code | 1 |
Engine Aspiration | Turbocharged |
Engine Configuration | I4 |
Engine Displacement | 2.0L |
Engine Family | EA888 Gen 3 IHI |
Engine Orientation | Transverse |
Fuel Type | Gasoline |
Market | ROW |
Product Type | ECU Upgrade |
Part Number | ECU-20T-EA888-3-T-IS20-PQ35 |
Emissions
This part is legal for sale and use on Emissions Controlled Vehicles, in all 50 states, when used in accordance with the manufacturers application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number.
The following vehicles are considered Emissions Controlled Vehicles:
- 1966 and newer U.S. manufactured California Certified vehicles
- 1968 and newer U.S. manufactured Federally Certified vehicles
- 1968 and newer Foreign manufactured vehicle
APR ECU Upgrade Stages
APR’s ECU Upgrades are available in multiple octanes levels. Each stage is fully compatible with an upgraded intake, catback exhaust, or other minor bolt on modifications.
APR Stage 1
The APR Stage 1 ECU Upgrade is the first step towards making more power! This simple upgrade requires no engine hardware modifications and produces 290-302 HP with 312-323 FT-LBS of torque on most models. To get more power, the vehicle can be outfitted with an upgraded intake, intercooler, catback exhaust, and various other bolt-on modifications all without requiring any new modifications to the ECU. APR recommends NGK heat range 9 (NGK-R7437-9) spark plugs gapped to 0.024" ±0.002" or 0.6mm ±0.05mm with a change interval of 10-15,000 mi or 16-24,000 km.
APR Stage 1 is available for 91 RON and 95 RON in the Rest of the World.
APR Stage 2
The APR Stage 2 ECU Upgrade is the next step towards making more power! This simple upgrade requires an exhaust system and no other engine hardware modifications and produces 317-331 HP with 334-351 FT-LBS of torque. To get more power, the vehicle can be outfitted with an upgraded intake, intercooler, and various other bolt-on modifications all without requiring any new modifications to the ECU. APR recommends NGK heat range 9 (NGK-R7437-9) spark plugs gapped to 0.024" ±0.002" or 0.6mm ±0.05mm with a change interval of 10-15,000 mi or 16-24,000 km.
APR Stage 2 is available for 91 RON and 95 RON in the Rest of the World.
APR Stage 3 IS38
The APR Stage 3 IS38 ECU Upgrade is the next step towards making more power! This simple upgrade requires an IS38 drop-in turbocharger, exhaust system, intake, intercooler, and no other engine hardware modifications and produces 348-362 HP with 348-362 FT-LBS of torque. To get more power, the vehicle can be outfitted with various other bolt-on modifications all without requiring any new modifications to the ECU. APR recommends NGK heat range 9 (NGK-R7437-9) spark plugs gapped to 0.024" ±0.002" or 0.6mm ±0.05mm with a change interval of 10-15,000 mi or 16-24,000 km.
APR Stage 3 is available for 91 RON and 95 RON in the Rest of the World.
Horsepower and Torque Dyno Charts
Select a Dyno | Select a Dyno Type |
---|---|

APR Calibration Report
Stage | HP | TQ | Max Gain | Max Gain |
---|---|---|---|---|
Stock As Reported by VAG | 231 PS | 273 FT-LBS | ||
Stock As Measured by APR | 321 HP | 273 FT-LBS | ||
APR Stage 1 | ||||
95 RON | 290 HP | 312 FT-LBS | +62 HP | +57 FT-LBS |
98 RON | 302 HP | 323 FT-LBS | +74 HP | +67 FT-LBS |
APR Stage 2 | ||||
95 RON | 317 HP | 334 FT-LBS | +90 HP | +87 FT-LBS |
98 RON | 331 HP | 351 FT-LBS | +103 HP | +104 FT-LBS |
APR Stage 3 IS38 | ||||
95 RON | 348 HP | 348 FT-LBS | +121 HP | +114 FT-LBS |
98 RON | 362 HP | 362 FT-LBS | +135 HP | +126 FT-LBS |
Only use fuel equal to or higher than specified. Never use a lower octane fuel. Always follow our fuel guide, especially with race fuel and Ethanol, where available. Dynos are for reference only. Results will vary. Contributing factors include the vehicle condition, vehicle setup, dyno type, dyno setup, environmental factors, fuel quality, and more. When describing fuels, the North American Region (NAR) uses the Anti-Knock Index (AKI), (RON+MON)/2, or (R+M)/2. The Rest of the World (ROW) uses RON. RON is Research Octane Number and MON is Motor Octane Number.
The APR Difference

Who we are - We’re a global automotive engineering firm nestled in Opelika, Alabama. Our 80,000ft² state-of-the-art facility is home to some of the best engineers in the industry, who have mastered hundreds of engine management systems. We have multiple engine and chassis dynos, and the resources necessary to create our ECU Upgrades in-house, from the ground up! We're not a new company either. We've been around since the 90's and we have a strong financial backing to ensure we'll be here to support you for decades to come!
What we do - We optimize everything to make your engine more powerful. We adjust air-fuel ratios, advance ignition, increase boost pressure, alter cam positions and lift profiles, and more, all depending on the type of engine and management system, of course! We don’t take shortcuts, and we don’t take risks. We do it the right way.
How we differ - With our proprietary calibration and direct ram access data logging tools and operating system code changes, we’re able to make some of the strongest and fastest ECU upgrades, without needing costly end user adjustments. We work with the ECUs intelligent modeling and closed-loop systems, and beta test in multiple environments to create upgrades that work no matter where you drive!
APR Software Pricing Guide
Our performance software upgrade is available in multiple stages with optional features.
APR Stage 1 | |
---|---|
APR Stage 1 ECU Upgrade | $499.95 |
APR Stage 2 | |
APR Stage 2 ECU Upgrade | DISCONTINUED |
APR Stage 1 ECU Upgrade from or Stage 1 | DISCONTINUED |
APR Stage 3 | |
APR Stage 3 ECU Upgrade | $749.95 |
APR Stage 3 ECU Upgrade from Stage 1, or Stage 2 | $249.95 |
Purchasing, Guarantee, and Updates
How to Purchase - APR Software Upgrades are only available through Authorized APR Dealers. The dealer will connect to your vehicle, and install the update.¹
Money-Back Guarantee - Try our Software Upgrades for up to 30 days, risk free! If you are not satisfied, return to an APR Dealer to have it removed and refunded.²
Free Updates - If we make an update, add a standard feature, or if the manufacturer issues an update, you are entitled to a free update.³
1. APR Software may not be available for all vehicles. Stages, programs, and features may not be available for all ECUs.
2. Excludes some Software Upgrades, such as those included with a hardware purchase. Labor charges are at the discretion of the installer.
3. Subject to availability. Labor charges are at the discretion of the installer. Applicable to the original purchaser. Second hand owners may inquire with an APR Dealer about a software license transfer fee.
Tech Resources
Important fuel quality information
Find your boxcode and revision
*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.
Some parts are not legal for use in California or other states with similar regulations.