Perun Stage 3 K04 Turbo Upgrade for Audi A4, A5 & Q5 1.8 TFSI

The Perun Stage 3 K04 Turbo Upgrade has been developed for Audi A4, A5 and Q5 models equipped with the 1.8 TFSI engine. Precision engineered using premium performance components, this upgraded turbocharger provides significantly improved airflow, faster spool characteristics and greater efficiency compared to the standard turbocharger, making it an excellent choice for enthusiasts looking to increase engine performance.

Designed with OEM-style fitment, the Perun Stage 3 K04 Turbo installs using the factory mounting locations while delivering the airflow required to support substantially higher performance when combined with appropriate supporting modifications and professional ECU calibration. The result is improved throttle response, stronger mid-range torque and greater top-end power while maintaining excellent reliability.

Key Features

• Perun Stage 3 K04 performance turbocharger.
• Designed for Audi 1.8 TFSI engines.
• OEM-style fitment for straightforward installation.
• High-flow compressor design for increased airflow.
• Precision-balanced rotating assembly.
• Premium performance components for long-term durability.
• Improved compressor efficiency across the rev range.
• Suitable for high-performance street and track applications.

Performance Benefits

• Reduced turbo lag with faster spool.
• Improved throttle response.
• Greater airflow to support higher power output.
• Increased engine efficiency.
• Strong mid-range torque and improved top-end performance.
• Excellent reliability for modified performance vehicles.

Vehicle Compatibility

• Audi A4 1.8 TFSI.
• Audi A5 1.8 TFSI.
• Audi Q5 1.8 TFSI.

Please verify compatibility using your VIN number, engine code and existing turbocharger part number before ordering. Vehicle compatibility may vary depending on production year and factory specification.

Recommended Supporting Modifications

• Professional ECU calibration.
• Performance intercooler.
• High-flow intake system.
• Performance exhaust system.
• Upgraded fuel system where required.
• High-quality engine oil and regular servicing.

Installation Information

Professional installation is recommended. Before installation, inspect the oil feed and return lines, intercooler, intake system and associated pipework. Prime the turbocharger with clean engine oil before initial start-up and ensure the engine is professionally calibrated to maximise performance and reliability.

Why Choose Perun?

Perun Performance turbochargers are manufactured using precision-machined components, premium materials and stringent quality control processes. Every turbocharger is dynamically balanced to deliver fast boost response, excellent reliability and long-lasting performance for European performance vehicles.