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MuchBoost A20DTH Upgraded Turbocharger with a Custom Billet Compressor Wheel and a Clipped/Enlarged Turbine Wheel. It is based on an original Garrett Turbocharger, which means that the installation is 100%P&P. The turbocharger is meant to work with Chevrolet Malibu, Opel Astra J, Insignia, Zafira C, and Saab 9-5 with the 2.0 A20DTH 110-165HP engines.

The turbo delivers up to 236% power (150 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 230HP to 260HP.

MuchBoost A20DTH 230

Upgraded turbocharger with an estimated potential of ~230HP 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 actuator,
  • More efficient and larger Billet Compressor,
  • Clipped Turbine Wheel,
  • Dynamically balanced,
  • Perfectly calibrated VNT system + dynamically balanced. We use a modern VISCOM flow bench and Schenck balancing machines,
  • 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 A20DTH 260

Upgraded turbocharger with an estimated potential of ~260HP at the crank. Modifications compared to the 230 option are the same except:

  • Bigger Compressor Wheel,
  • Larger Turbine Wheel,
  • Machined exhaust housing.

Ball Bearing conversion is available with this Power Range option. The main advantage is ~20% quicker spool in comparison to journal bearings.

Other significant modifications

The turbo is meant to work with ~230-260HP In order to reach that level of power, you need to adjust your fuel, exhaust, and cooling systems as well.


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


Cars
Chevrolet Malibu 2.0D – 160HP
Opel Astra J 2.0CDTI – 160/165HP
Opel Insignia 2.0CDTI – 110/120/131/140/160/163HP
Opel Zafira C 2/0CDTI – 140/165HP
Saab 9-5 2.0 TID – 160HP


Factory numbers

786137-5003S
786137-9003W
786137-5001S
786137-0003
786137-0001

Engines

A20DTH


OEM number

860335
5860381
55570748
95519811


(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

230HP, 260HP, 260HP WITH BALL BEARINGS

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