Your Vehicle
Audi A5 RS5 4.2 V8 450hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible. Stage 2: remap combined with downpipe / sports air filter.
Power HP
Torque Nm
Book your Stage 1 remap
499 € VAT included · pay online, the work is done at the workshop you choose
Power Graph · Stage 1
Audi A5 RS5 4.2 V8 450hp: da 450 a 470HP
Values for Stage 1 (change the stage from the control above)
Remapping Audi A5
MasterTuning is a leader in developing remapping for Audi. La Audi A5 RS5 4.2 V8 450hp può passare da 450 HP a 470 HP con un incremento di 20 HP.
The development of each remap is customized by MasterTuning.
- 100% tested and customized files guarantee
- Tested and developed on a 4x4 dyno
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Audi A5 RS5 4.2 V8 450hp
The Audi A5 RS5 4.2 V8 450hp is equipped with a petrol engine that produces 450 HP and 430 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Audi can achieve 470 HP (+4%) and 455 Nm (+6%).
Our Stage 1 tuning for the A5 MK1 - 2007 - 2011 delivers an impressive gain of +20 HP and +25 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code CFSA identifies this specific powerplant configuration. The Bosch MED17.1.1 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
With 450 HP from factory, this Audi A5 is already a performance vehicle. Our remapping extracts even more potential, delivering exhilarating acceleration and enhanced driving dynamics for enthusiasts who demand the best.
Technical Specifications — Audi A5 RS5 4.2 V8 450hp
Factory technical data for the Audi A5 RS5 4.2 V8 450hp (MK1 - 2007 - 2011), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | CFSA |
|---|---|
| ECU / Control unit | Bosch MED17.1.1 |
| Fuel | Petrol |
| Compression ratio | 12.3 |
| Bore × stroke | 84.5 X 92.8 mm |
| Stock power | 450 HP · 430 Nm |
| Remapped power (Stage 1) | 470 HP (+20) · 455 Nm (+25) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your Audi A5.
Frequently Asked Questions - Audi A5
How much power can I gain from remapping my Audi A5?
With MasterTuning Stage 1, your Audi A5 RS5 4.2 V8 450hp can gain +20 HP (from 450 to 470 HP) and +25 Nm of torque. This represents a 4% increase in power.
Is ECU remapping safe for the Audi A5 engine?
Yes, MasterTuning's remapping for the Audi A5 RS5 4.2 V8 450hp is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the CFSA engine.
Is the Audi ECU remapping reversible?
Absolutely. The original factory calibration of your Audi A5 is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Audi warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
Other Remaps You Might Like
Other Engines Audi A5 MK1 - 2007 - 2011
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Book your remap or ask for a quote
Stage 1 can be bought online and is done at the workshop you choose; for Stage 2 we send you a quote.
Stage 2 is quoted on request: write to us and we will reply with price and timing.
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