Product Description
Features:
- Horsepower - More horsepower throughout the whole rpm band
- Torque - More torque throughout the whole rpm band
- Warranty - APR Plus is available, providing a factory term limit matching limited powertrain warranty
- Stages - Multiple performance levels depending on installed hardware
- Fuel Grades - Multiple octanes from which to choose
- Ethanol - Ethanol support from E60-E85 for maximum performance
- 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
- Rev Limiter - Increased redline for higher revving
- Standing Limiter - Increased standing limiter for higher revving at idle
- Speed Limiter - Go as fast as you want with the speed limiter out of the way
- Auto Start/Stop Inversion - Auto Start/Stop defaults to the off position
- Exhaust Flaps - Enhanced power delivery and drivability through recalibrated exhaust flap actuation
- Added Safety - Additional safety features and protection modes added
- Economy - While cruising, or driving normally, your fuel economy may benefit from our optimized calibration
- Boost Gauge - The factory boost gauge displays accurate boost and reacts more quickly
- Power and Torque Gauges - The factory power and torque gauges are accurately rescaled
- Direct Port Programming - Clean and easy install to the factory ECU without opening the case
- Free Updates - Get free updates for life
- Guarantee - 30 day money back guarantee
APR PLUS
The APR Plus ECU Upgrade is the first step towards making more power, and it includes our limited powertrain warranty. This simple upgrade requires no engine hardware modifications, and produces 431 HP with 467 FT-LBS of torque. Gains as high as 85 HP and 103 FT-LBS of torque are available throughout the power band, making the vehicle exceptionally quicker in all scenarios.
The APR Plus ECU Upgrade matches the performance of our Stage 1 ECU Upgrade (91 octane). To get even more power, you can add any of our other Stage 1 compatible products and still be covered under the APR Plus warranty! If you're not interested in the APR Plus limited powertrain warranty, and want even more power, check out our other Stages.
APR STAGE 1
The APR Stage I ECU Upgrade is the first step towards making more power! This simple upgrade requires no engine hardware modifications, and produces 431-480 HP with 467-549 FT-LBS of torque depending on fuel grade. Gains as high as 85-123 HP and 103-176 FT-LBS of torque are available throughout the power band, depending on fuel grade and factory output, making the vehicle exceptionally quicker in all scenarios.
APR CALIBRATION REPORT
| Stage | HP | TQ | MAX GAIN | MAX GAIN |
| Stock As Measured by Audi | 349 HP | 369 FT-LBS | ||
| Stock As Measured by APR | 397 HP | 395 FT-LBS | ||
| APR PLUS | ||||
| APR Plus (91 Octane) | 431 HP | 467 FT-LBS | +85 HP | +103 FT-LBS |
| STAGE 1 | ||||
| 91 Octane | 431 HP | 467 FT-LBS | +85 HP | +103 FT-LBS |
| 93 Octane | 441 HP | 483 FT-LBS | +95 HP | +114 FT-LBS |
| 100 Octane | 450 HP | 509 FT-LBS | +106 HP | +132 FT-LBS |
| 104 | 458 HP | 537 FT-LBS | +116 HP | +167 FT-LBS |
| E60-E85 | 480 HP | 549 FT-LBS | +123 HP | +176 FT-LBS |
All APR Software upgrades are only available at our Joplin, Missouri retail location. In order to receive an APR software upgrade, please click here to schedule an appointment. You may either add this item to your cart and purchase online, or may also pay in store.
VEHICLE APPLICATION GUIDE
| Make | Model | Years | Engine |
| Audi | S4 | 2018-2020 (B9) | 3.0 V6 |
| Audi | S5 | 2018-2020 (B9) | 3.0 V6 |
| Audi | SQ5 | 2018-2020 (B9) | 3.0 V6 |
