VAG 1.8T K04-023 Hybrid Turbo S3 Cupra R | 300-330 HP

Serious Performance Upgrade

For the 1.8T enthusiast, the transition from Stage 2 to Stage 3 often requires expensive manifold changes. This Hybrid K04 solves that problem. It is engineered to maximize the flow potential of the original 225 HP engine architecture. By utilizing a larger turbine and a lightweight billet compressor wheel, we have shifted the efficiency map higher, allowing for sustained boost pressures that the factory unit simply cannot handle.

Why This Turbo Wins

• Ultra-fast spool for immediate throttle response
• Increased exhaust gas flow via a larger turbine shaft
• 300-330 HP capability (setup dependent)
• True Plug & Play installation—no custom lines required
• Heavy-duty reinforced bearings for longevity
• Brand new high-quality cast iron housing

Internal Upgrades

• Enlarged Billet Compressor Wheel: Lighter than OEM for reduced inertia and higher airflow.
• Over-sized Turbine Shaft: Reduces backpressure at high RPM.
• Sport Reinforced Bearings: Specifically designed to withstand the higher thrust loads of increased boost.
• New Cast Housing: Eliminates the common cracking issues found in used factory housings.
• Precision Balancing: VSR balanced to ensure vibration-free operation at speeds exceeding 150,000 RPM.

Performance Characteristics

This turbocharger is designed for “area under the curve.” While many big-turbo builds suffer from late-onset boost, this K04 Hybrid retains the “snappy” feel of the original 1.8T while providing a massive surge in mid-range torque. Expect a strong pull from 3,000 RPM all the way to the redline, making it an ideal choice for technical tracks or fast road use where driveability is king.

Vehicle Compatibility

Direct fit for transverse 1.8T 20V engines (210/225 HP variants):

• Audi: S3 (8L), TT (8N) 225HP
• Seat: Leon Mk1 Cupra R
• Engine Codes: BAM, AMK, APY, APX

Please verify fitment before ordering.

Weight	5 kg
Product type	Just Upgrade
Power range	330HP

⟶ Warranty
Every upgraded turbocharger comes with a 12-month warranty with no mileage limit.

⟶ Lead Time & Shipping
We typically need around 2 weeks to complete and dispatch your upgraded unit. In more complex cases, allow up to 3 weeks (turbo upgrades demand precision, and our machining process is not something we rush).

Shipping costs and carriers:

• European Union: €25 via DPD
• United Kingdom: €49 via DHL
• Rest of the World: €99 via UPS

Average delivery time: 3–14 working days.

⟶ Full Insurance
Every parcel is fully insured from our workshop to your door.

⟶ Don't See Your Turbo Listed?
Our catalogue is just a fraction of what we can do. Contact us, our development team is constantly working on new models and we can likely build what you need.

⟶ Required Information at Checkout
To ensure your turbocharger is built correctly, please include the following when placing your order:

• Engine code
• Car model
• Stock power output
• VIN number

⟶ Which Option Is Right for You?

• Just Upgrade: You send us your existing turbocharger and we modify it. The unit must be genuine and free of cracks.
• Complete Turbo: We supply a fully built, ready-to-install turbocharger set. Nothing to send, just order and fit.

• Turbo Modification Service (Core Exchange Type)
  This listing is for the modification of your original turbocharger. You must send your turbocharger to us for upgrade.
• Turnaround Time: up to 14 working days after receiving your turbo.
• Ready-built turbocharger may be available separately after prior arrangement.
• If the electronic actuator/controller is damaged, repair/replacement is not included.
• If no old turbo is sent, a refundable core deposit applies.