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  • A20DTR 2.0CDTI Hybrid Bi-Turbo Upgrade Opel Insignia I, Astra J, Cascada, Zafira C, Saab 9-5 II
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MuchBoost A20DTR BiTurbo Upgraded Turbochargers with a Custom Billet Compressor Wheel 6+6 Blades, and Clipped and Lightned/Enlarged High-Flow 9 Blades Turbine Wheel. They are based on original BorgWarner turbochargers, which means that the installation is 100%P&P. The turbocharger is meant to work with Opel Insignia I, Astra J, Cascada I, Zafira Tourer C, and Saab 9-5 II with an A20DTR Bi-Turbo engine.

The turbo delivers up to 173% power (140 extra HP) over the factory specs. It is a great choice for someone looking for a bit extra HP from their daily driver. 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 280HP to 330HP.
Please message us with your VIN or turbo number before ordering to ensure availability.

MuchBoost A20DTR Bi-Turbo 280

Upgraded turbocharger with an estimated ~280HP at the crank. List of modifications:

Small Turbo:

  • The dimensions are the same,
  • Turbo is fully refurbished

Big Turbo:

  • Precisely machined seal plates and compressor housing,
  • Genuine BorgWarner compressor housing,
  • Genuine BorgWarner bearing housing,
  • Genuine BorgWarner exhaust manifold,
  • Upgraded journal bearings system that allows the turbo to hold more boost,
  • Genuine BorgWarner actuator
  • More efficient and larger Billet Compressor Wheel 6+6 Blades,
  • Clipped and Lightened genuine Turbine Wheel,
  • 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 A20DTR Bi-Turbo 330

Upgraded turbocharger with an estimated potential of ~330HP at the crank. Modifications compared to the 280 option are the same except:

  • Bigger Compressor Billet Wheel,
  • Larger High-Flow 9 blades Turbine Wheel,
  • Precisely machined exhaust housing.
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.

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


Opel Astra IV 2.0 CDTI – 195HP
Opel Cascada I 2.0CDTI – 195HP
Opel Insignia I 2.0 CDTI – 195HP
Opel Zafira Tourer III/C 2.0 CDTI – 195HP
Saab 9-5 II 2.0 TTid – 190HP

Factory numbers

1000 970 0018
1000 988 0018
1000 970 0062
1000 988 0062



OEM number


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. 




280HP, 330HP

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