GIAC ECU upgrade for 2017-2018 Audi TT S

GIAC Stage 1+ ECU tuning/upgrade is now available for the 2017-2018 Audi TT S 2.0 models.

This ECU software tune accommodates the factory exhaust and intake system and retains OEM-like drivability but offers dramatic performance improvements over the factory software. It offers up to 335 horsepower and 350 FT-LBS of torque with no other modifications. For those looking for more power, there is a race mode option. Race mode is available and offers up to 365 HP and 365 FT-LBS of torque! The upgraded intake system, exhaust system, and inter-cooler are supported and may improve the results of the upgrade even further.

Find out more about Stage 1+ ECU upgrade for 2017-2018 Audi TT S

Adding a GIAC transmission (TCU) flash will improve performance for DSG/S-Tronic equipped cars (for more details click here).

Dynamometer report for 2.0T engines

ecu tune audi tt s

The ECU tune/upgrade is an easy software upgrade of the factory ECU software over the OBD-II port and is available at Bestiale. Contact us to find out more or to schedule an appointment.

Warranty and returns

GIAC warrantyWarranty

GIAC products carry a 30-day money-back guarantee. Also, GIAC Flashloader Handheld (FHH) and Flashloader Mobile (FLM) devices carry a 30-day money-back guarantee and a one-year GIAC product replacement guarantee. For details click here.

GIAC returnReturns

If you are not satisfied with the product, you can return it within 30 days for a full refund of the software (less installation). To clarify, all returns must be made at the original point of sale within 30 days of receipt of merchandise. Custom-designed or engineered products are non-returnable.


About GIAC

GIACGIAC is a software engineering company with many years of experience tuning cars (since 1997). Our software replaces the standard software in your car’s engine control unit and/or transmission control unit. We are designing after-market software for Porsche ®, Audi ®, VW ®, and Bentley ®. In addition, we have a long history of tuning many other European makes on a case-by-case basis. Also, our accessory products include the Flashloader handheld switcher, which enables easy switching between multiple GIAC maps and the stock map.
GIAC has produced the highest quality performance software for Audi ® vehicles for longer than most other tuners have been in existence. In fact, all GIAC calibrations for VAG cars, whether for a sedan / sportback, SUV / Wagon, or Audi Sport ® vehicles, reflect the knowledge and rigorous test methodology we have developed since 1997. Even more, GIAC designs and develops, in house, software and hardware tools for reading and writing vehicle controllers, for creating and compiling vehicle calibrations, and for vehicle parameter logging. We succeed with these cars year after year because we have skills, knowledge, and resources to get it right.
Pictures used for marketing purposes only, actual product may vary.

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