MuchBoost 2.9 V6 BiTurbo upgraded hybrid turbochargers with Custom Billet Compressor Wheels 6+6 blades. They are based on genuine IHI turbochargers, which means that the installation is 100% P&P. The turbochargers are meant to work with Alfa Romeo Giulia Quadrifoglio, Alfa Romeo Stelvio Quadrifoglio with the 2.9 V6 BiTurbo engine producing 510HP. 

Let your Italian masterpiece gain a bit more horses with MuchBoost Hybrid Turbochargers. Our product allows you to get up to 137% of stock power (290 extra HP).

We have developed 2 modification options that allow you to reach anywhere from 660HP to 700HP.

MuchBoost 2.9 V6 660

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

• High air-fuel ratio including high peak torque achieved at low engine speeds,
• Upgraded journal bearings system that allows the turbo to hold more boost,
• Genuine IHI compressor housing,
• Genuine IHI bearing housing,
• Genuine IHI exhaust manifold,
• Enlarged Billet Compressor Wheel 6+6 blades,
• Clipped and Lightened Genuine IHI 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.
• 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 2.9 V6 700

Upgraded turbocharger with an estimated potential of 700HP at the crank. Modifications compared to the 660 option are the same except:

• Bigger Compressor Billet Wheel,
• Bigger High Flow 9 Blade Turbine Wheel.

Other significant modifications

The turbo allows you to get ~660-680HP at the crank. 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

Alfa Romeo Giulia/Stelvio Quadrifoglio Custom De-Cat/Sport-Cat Downpipe 2.9 V6 BiTurbo

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

(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 around 2 weeks to perform and ship the upgraded turbocharger. In some complicated cases, it may take up to 3 weeks. Please realize that the turbo upgrades require precision. Especially, the machining process takes a lot of time. We don`t cut the corners. Thank you for understanding. The parcels in the European Union are shipped via DPD for just 25,00 EURO. UPS is used for orders besides the EU, it costs 99,00 EURO and 49,00 to the UK (DHL). The average delivery time is 3-5 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 turbochargers once you sent it to us. The turbos can’t be cracked and must be genuine.

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