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  • 2.5 TFSI DAZA Hybrid Turbo Upgrade DNWA Audi RS3 8V.2, TTRS 8J, RSQ3
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MuchBoost 2.5 TFSI DAZA Upgraded Turbocharger with a Custom Billet Compressor Wheel and an Enlarged High-Flow Turbine Wheel. It is based on an original KKK turbocharger, which means that the installation is 100%P&P. The turbocharger is meant to work with Audi RS3 8V.2, TTRS 8S, and RSQ3 equipped with the 2.5TFSI DAZA / DNWA 400HP engine.

The turbo delivers up to 177.5% (310HP extra) over the factory specs. It is a great choice for someone looking for a more sporty feel and more power. MuchBoost turbo allows you to get more from your engine and enjoy it even more than you’ve been so far.

We have developed 2 modification options that allow you to reach anywhere from 660HP to 710HP.

MuchBoost 2.5 TFSI DAZA 660

Upgraded turbocharger with an estimated ~660HP at the crank. Listo of modifications:

  • Precisely machined seal plates, compressor & exhaust housings,
  • Genuine KKK compressor housing,
  • Genuine KKK bearing housing,
  • Genuine KKK exhaust manifold,
  • Upgraded journal bearings system that allows the turbo to hold more boost,
  • More efficient and larger Billet Compressor Wheel 6+6 blades,
  • Enlarged & lightened High-Flow 9 blades Turbine Wheel,
  • The compressor and turbine wheels are balanced separately, and then the whole core is high-speed balanced using VSR balancing machines at speeds similar to the level seen in the vehicle.
MuchBoost 2.5 TFSI DAZA 710

Upgraded turbocharger with an estimated potential of ~710HP at the crank. Modifications compared to the 660 option are the same except:

  • Enlarged Billet Compressor Wheel,
  • Larger High-Flow 9 blades Turbine Wheel,
Other Significant Modifications

To fully utilize the potential of this hybrid turbo, we recommend upgrading i.a. fuel, exhaust, cooling systems, and the clutch. Individual ECU remapping is the foundation.

You might also consider

2.5 TFSI DAZA De-Cat Downpipe Audi RS3 8V.2 TTRS (2017+ models)

A set of gaskets is included with every option you choose!


Audi RS3 8V.2 – 400HP
Audi TTRS 8J – 400HP

Audi RS3 8V – 400HP
Audi RSQ3 8U – 400HP

We can also convert the turbo to fit Audi Rs3 8P, 8V.1, TTRS 8J, RSQ3 with CEPA/CZGB 340-367HP. New DP, oil and water lines, inlet and outlet pipes will be needed in those cases.

Factory numbers

1855 988 0021
1855 970 0021
1855 988 00211855
970 0021



OEM number



(If your engine has a different code, please send us a message. We will verify it.)

Matters you should be aware of when placing your order.
  1. The warranty is 12 months without the limit of mileage.
  2. We need about 7 working days to perform and ship the upgraded turbocharger. The parcels in European Union are shipped via DPD for just 25,00 EURO. DHL Express (airplane shipping)  is used for orders besides the EU, it costs 99,00 EURO. The average delivery time is 2-4 working days. 
  3. Every parcel is fully insured.
  4. If you didn`t find the turbo you need, feel free to contact us. We are able to perform many more upgraded turbochargers than you can find on the site. Our development department works permanently on the new models.
  5. Do you have a workshop, are you an influencer or seller of tuning parts? We are open to cooperation by offering discounts and refunds.
  6. During placing your order, please provide information as follows:
  • the engine code,
  • the car model,
  • the stock power,
  • the VIN number

These details are helpful to make the turbo correctly.


* Just upgrade option means that we will modify your turbocharger once you sent it to us. The turbo can’t be cracked and must be genuine.

Complete turbo option is for those who want to buy a fully built turbo ready to install in the car.


660HP, 710HP



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