HG-Motorsport Audi A4 - A5 B9 Air Filter Kit

🚗 HF-Series Intake Upgrade Kit – Audi A4 & A5 B9 (1.4 / 2.0 / 2.9 / 3.0 TFSI)

OEM Look with Maximum Performance!

The HF-Series Intake Upgrade Kit is a specially designed air intake system upgrade for Audi A4 & A5 B9 models seeking to enhance engine performance. Optimized using advanced engineering techniques, this system is fully compatible with both standard and performance-modified vehicles.

🔧 Product Features:

🌀 Increased Air Volume: More airflow thanks to a redesigned top cover.

🔩 90mm Wide Inlet: Large air filter with high flow in a funnel shape.

🏁 OEM-Compatible Design: Simple and stylish appearance that maintains the factory look.

💻 Developed with High Technology: Optimized structure through 3D scanning and flow simulation.

♻️ Washable Sports Filter: Pipercross dry filter is reusable.

🌬️ Optimized Air Path: Increased efficiency thanks to a shorter and unobstructed intake path.

📦 Turbo Inlet and Silicone Hoses: Supplied with the kit depending on the engine selection.

🚀 Performance Gains:

Especially for Audi RS4 / RS5 (2.9 TFSI) models, with this kit alone, without any software or other hardware:

+25 PS power increase

+40 NM torque gain

These values have been measured repeatedly in tests conducted on different vehicles.

🎯 Special Advantage for RS Models:

No Cutting or Modifying: Direct fit without any changes to the engine cover.

Zero Adjustment Required: Exact fit with OEM parts.

🛠️ Development Process:

In-house R&D: Developed at HG Motorsport's own facilities.

Simulation & Dynamometer Tests: Optimized through testing under real road conditions and in a dyno environment.

Sporty Intake Sound: Improved driving experience with a deeper and more aggressive sound.

📦 Package Contents:

1x Extended top cover

1x 90 mm Pipercross sport air filter

1x Turbo inlet (depending on engine type)

1x Upgraded silicone intake hose