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MuchBoost CDSB 4.2TDI Upgraded Turbochargers with a Custom Billet Compressor Wheel and Clipped and Lightened. They are based on the original Garrett Turbochargers, which means that the installation is 100%P&P. The turbochargers are meant to work with Audi A8 D3 with the 4.2TDI 340HP engine.

The turbo delivers up to 167% power (230 extra HP) over the factory specs. It is a great choice for someone looking for a bit extra HP from their daily driver. MuchBoost turbos allow you to get more from your engine and enjoy it even more than you’ve been so far.

MuchBoost 4.2TDI CDSB 500

Upgraded turbocharger with an estimated potential of ~500HP at the crank. The list of modifications:

  • Precisely machined seal plates and compressor housing,
  • Genuine Garrett  compressor housing,
  • Genuine Garrett bearing housing,
  • Genuine Garrett exhaust manifold,
  • Upgraded journal bearing system that allows the turbo to hold more boost,
  • Original actuators,
  • More efficient and larger Billet Compressor Wheels,
  • Clipped Turbine Wheels,
  • Dynamically balanced,
  • 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 4.2TDI CDSB 570

Upgraded turbocharger with an estimated potential of ~570HP at the crank. Modifications compared to the 500 option are the same except:

  • Bigger Compressor Wheel,
  • Larger Turbine Wheel,
  • Machined exhaust housing.
Other significant modifications

The turbos are meant to work with ~500 – 570 HP In order to reach that level of power, you need to adjust your fuel, exhaust, and cooling systems as well.



Cars
Audi A8 D3 4.2TDI – 340HP


Factory numbers

783413-5005S,
783413-5003S,
783413-5004S,
783413-0003,
783413-0004,
783413-0005,
783412-5005S,
783412-5003S,
783412-5004S,
783412-0003,
783412-0004,
783412-0005

Engines

CDSB


OEM number

057145873P,
057145873F,
057145874F,
057145874P


(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.

POWER RANGE

500HP, 570HP