



CT Tuning ECU Flash Audi RS4 4.2 FSI 450hp B8 2012-2017
$1,550.00

CT Tuning ECU Flash Audi RS4 4.2 FSI 450hp B8 2012-2017
$1,550.00
- Description
- Additional information
Description
Maximize the performance of your 4.2L V8 with a professional CT Tuning ECU Flash Audi RS4 4.2 FSI 450hp B8 2012-2017. Our custom calibration delivers significant power gains and sharper throttle response, eliminating sluggishness for a transformed driving experience with improved mid-range pull and top-end performance.
Crank Horsepower Ratings:
- Stock Power: 450hp | 318ft/lbs
- Tuned Power: 499hp | 349ft/lbs
ECU Flash Options:
- Vmax Off – Adjust the factory speed governor
- Race Exhaust – Optimized for high-flow or catless systems
- Pops & Bangs – Adds aggressive exhaust overrun; Requires full race exhaust system and may impact long-term reliability
Why Choose CT Tuning
- Unmatched global expertise and customer support
- Climate-specific tuning for various environments
- Reversible software that can be returned to stock
- Automatic adjustments for higher octane fuels
- Tested, safe, and reliable performance files
How to Flash Your ECU?
- Use the OBDII tool device to store multiple files and switch between stock and tuned maps. This requires a Windows PC for initial setup.
ECU Reference
- This ECU/TCU may identify as: Bosch MED17.1.1, Temic DL501gen1, or Temic DL501gen2
Vehicle Fitment
- Audi RS4 B8 4.2L V8 FSI 2012-2017
Product Notes:
- Power ratings are converted from PS/NM and may vary slightly from advertised figures.
- Tuning must be used within 6 months of purchase.
- Support is available for 30 days after file delivery.
- Future modifications if supported or OEM software updates require a $350 file service fee.
- No refunds once software is issued or locked to a vehicle.
- Emissions readiness is not forced; original files are provided for return to stock.
Additional information
| Weight | 5 lbs |
|---|---|
| Dimensions | 13.25 × 11.5 × 2.38 in |
| Make | Audi |
| Model | RS4 |
| Product Year | 2013, 2014, 2015 |
CT Tuning software is purchased with the intention of using these products for Racing Competition Only. As the authorized purchasing party, you understand that some or all of these parts may not comply with Federal, State, Province, and/or Local laws, ordinances, and regulations. As the buyer, you take responsibility to ensure that any modifications or upgrades that have been done to your vehicle conform to all applicable laws and regulations for road use, especially pertaining to safety and emissions. To make a purchase, you will be required to sign a waiver acknowledging that these products are intended for Racing Competition Only and not meant to be used on a road car.

