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- APR ECU Upgrade - 4.0L GT4 (982)
APR ECU Upgrade - 4.0L GT4 (982)
4.0L H6 Engine Tune for the Porsche 718 Cayman 20-23, 718 Spyder 20-23
Install Type
APR ECU Upgrade - 4.0L GT4 (982)
4.0L H6 Engine Tune for the Porsche 718 Cayman 20-23, 718 Spyder 20-23
Emissions
This part is legal under the provisions of EPA’s Tampering Policy dated November 23rd, 2020.
See Emissions DetailsFeatures:
- Delivers up to 452-488 HP with 340-361 FT-LBS of torque
- Max gains of +39-75 WHP with +30-51 WFT-LBS of torque
- Supports 91 AKI, 93 AKI, 100 AKI, 104 AKI, and E60-E85 fuel grades
- Ethanol and race fuel support for maximum power on the race track
- Rev limiter increased to 8,300 RPM
- Standing and neutral rev limiter increased to 6,500 RPM
- Sport exhaust button fully opens and closes the exhaust flaps
- Closed exhaust flaps open fully at wide open throttle above 4,500 RPM
- Exhaust crackle added in park and neutral (optional)
- Track optimized thermal management with added safety protection routines enabled
- Proper HP and TQ values transmitted to the dash
- No hardware required (Software only)
- Supports standard bolt on modifications
- Works seamlessly with our PDK TCU Upgrade
- Flash counter does not increase with each flash
- Free lifetime updates
- Direct OBDII port flash (No ECU removal)
- 30 day money back guarantee
Brand | APR |
---|---|
Emission Code | 7 |
Engine Aspiration | Naturally Aspirated |
Engine Configuration | H6 |
Engine Displacement | 4.0L |
Engine Family | Porsche 9A2 |
Engine Orientation | Longitudinal |
Fuel Type | Gasoline |
Install Type | Dealer Installed |
Market | NAR |
ROW | |
Product Type | ECU Upgrade |
Part Number | ECU-40L-GT4-982 |
This part is legal under the provisions of EPA’s Tampering Policy dated November 23rd, 2020. The company has reasonable basis (test results) to verify that this product allows the vehicle to operate within legal emissions standards and is therefore legal to be sold for on-street use in all states that accept the legal provisions of the Clean Air Act and the EPA Tampering Policy. This product is NOT LEGAL FOR SALE OR USE IN THE STATE OF CALIFORNIA. Testing with the California Air Resources Board, in order to achieve 50-state compliance, is pending with CARB. Once testing is complete with California, and an E.O. number is issued, this product will be updated to 50-state legal status.
Important fuel quality information
Find your boxcode and revision
APR Plus Warranty Booklet
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Driving Modes, Features, and Safety
Driving Modes
We’ve optimized fueling, ignition, cams, and more to achieve greater power and torque in all diving modes.
Features
The sport exhaust button now fully opens or closes the exhaust valves at the push of a button, without additional hardware or controllers. When closed, the flaps will open at wide open throttle when you’re above 4,500 RPM. We’ve raised the rev limiter to 8,300 RPM and increased the standing limiter in park and neutral to 6,500 RPM. Optionally we’ve enabled exhaust crackle found in other models while in park and neutral. Lastly we’ve corrected the factory HP and TQ values so the correct values are sent to the dash, though the dash will still cap the max amount without being reprogrammed.
Safety
With many customers tracking their Porsche, safety is paramount in our calibration strategy. Through the use of extreme datalogging equipment and additional sensors, thermocouples, and transducers, our engineers were able to fully optimize the ECU for advanced safety routines. This includes implementing several routines not enabled from the factory. The entire thermal management system is optimized to reduce engine bay temperature, and reduce intake air temperature, while also implementing advanced protection routines to prevent oil temperature from achieving unsafe levels. We’ve enabled new temperature protection routines to prevent the engine and cooling systems from overheating prematurely, which will be noticeable on the track. We’ve optimized the injection strategy to deliver a fatter torque curve and reduce the chances of knock, and torque dips. This is also achieved alongside per cylinder ignition advance and fuel trimming. Serious track enthusiasts should consider running race fuel, and adding additional coolant for maximum performance.
Porsche Tech Talk
APR ECU Upgrade Stages
Our ECU Upgrades are available in multiple configurations. Installation of additional performance hardware, such as an intake system, may provide further performance improvements.
APR ECU Upgrade
The APR Stage 1 ECU Upgrade is the first step towards tuning your engine. It produces up to 452-488 HP and 340-361 FT-LBS of torque with gains as high as +58-94 HP and +40-65 FT-LBS of torque at the wheels.
APR Stage 1 is available for 91 AKI, 93 AKI, 100 AKI, 104 AKI, and E60-E85 Ethanol fuel grades in North America, and 95 RON, 98 RON, 104 RON, 108 RON and E60-E85 Ethanol fuel grades in the Rest of the World.
Horsepower and Torque Dyno Charts
Select a Dyno | Select a Dyno Type |
---|---|
Porsche Rear Engine Dyno Testing Notes - Being as this is a naturally aspirated engine, it’s extremely sensitive to air density and temperature. This is most notable on a dyno where typical side cooling and airflow is not common and not representative of real world conditions. The vehicle will struggle to make power on the dyno without proper cooling, especially in less than ideal conditions. Porsche Motorsport suggests a 30C delta in ambient temperature corresponds to a loss of 35 HP, and each 5 HP will result in roughly .2 seconds a lap.
APR Calibration Report
Stage | HP | TQ | Max Gain | Max Gain |
---|---|---|---|---|
Stock as Reported by Porsche (Manual/PDK) | 414 HP | 309/317 FT-LBS | ||
Stock as Measured by APR (PDK) | 414 HP | 317 FT-LBS | ||
APR ECU Upgrade | ||||
91 AKI / 95 RON | 452 HP | 340 FT-LBS | +39 HP | +30 FT-LBS |
93 AKI / 98 RON | 459 HP | 347 FT-LBS | +46 HP | +35 FT-LBS |
100 AKI / 104 RON | 467 HP | 353 FT-LBS | +54 HP | +40 FT-LBS |
104 AKI / 108 RON | 467 HP | 353 FT-LBS | +54 HP | +40 FT-LBS |
E60-E85 Ethanol | 488 HP | 361 FT-LBS | +75 HP | +51 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 with optional features.
APR ECU Upgrade | |
---|---|
APR ECU Upgrade | $2,499.95 |
Optional Feature | FREE |
Purchasing, Guarantee, and Updates
Purchasing Options¹: Locate an APR Dealer. They will physically install software on your vehicle at their location. Alternatively with the APR Remote Tuning Service (RTS) you'll purchase an APR Tuning Cable and we, or a participating dealer, will remotely install software on your vehicle†.
Money-Back Guarantee: Try our Software Upgrades for up to 30 days, risk free! If you are not satisfied, 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. Availability: APR Software may not be available for all vehicles. Stages, programs, and features may not be available for all ECUs.
2. Money Back Guarantee: Excludes some Software Upgrades, such as those included with a hardware purchase. Labor charges are at the discretion of the installer.
3. Free updates: 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.
†. Remote flashing: Excludes APR Plus. Excludes some platforms. Dealer participation will vary. Visit our product page for details.
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*Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.
Some parts are not legal for use in California or other states with similar regulations.