MuchBoost 1.8 20V K04 Upgraded Turbocharger with a Custom Billet Compressor Wheel, and Enlarged Turbine Wheel. It is based on an original KKK K04, which means that the installation is 100%P&P. The turbocharger is meant to work with cars using the 1.8T 20V engine.

The turbo delivers up to 137% power (120 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 300HP to 330HP.

MuchBoost 1.8T 20V 300

Upgraded turbocharger with an estimated ~300HP at the crank. Listo of modifications:

• Precisely machined seal plates and compressor housing,
• 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,
  
• Enlarged 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 1.8T K04 330

Upgraded turbocharger with an estimated potential of ~330HP at the crank. Modifications compared to the 300 option are the same except:

• Bigger Compressor Billet Wheel
• Larger High-Flow 9 blades Turbine Wheel
• Genuine reinforced actuator,
• 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.

Example project

One of our clients managed to produce 296HP and 400Nm at the crank. The car was also equipped with:

• Free-flow air intake
• Full 63.5mm exhaust
• FMIC
• Forge wastegate
• N/A cams
• Aeromotive FPR
• 440cc injectors
• S3 internals
• Walbro 255lpfp

Dyno graph below.

You might also consider

Hard Pipe Inlet Kit for 1.8T 20V Audi S3 8L/A3 8L/A4 B5, Audi TT 8N, Seat Leon Cupra I

1.8T De-Cat Downpipe KKK K04 Audi S3 8L, Audi TT 8N, Seat Leon Cupra I

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. 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.