Ramair Performance Pleated Replacement Air Filter for Audi A4 B6/B7 PPF-1721

Performance Pleated Replacement Air Filter for Audi A4 B6 & B7 (2000–2009)

The Ramair Performance Pleated Replacement Panel Filter is a premium upgrade designed to enhance airflow, engine protection, and driving response in your Audi A4. Built using advanced synthetic nanofiber technology, this high-performance filter offers a direct-fit solution that installs into the OEM airbox without modification, making it an ideal replacement for restrictive factory paper filters.

Developed with over 35 years of motorsport filtration expertise, this pleated nanofiber filter maximizes surface area, improves airflow, and provides long-lasting durability—delivering reliable performance for both daily drivers and high-performance applications such as the Audi S4 and RS4.

Key Features

• High-Flow Synthetic Nanofiber Media – Provides increased airflow compared to standard paper filters, improving throttle response and efficiency.

• Precision Injection-Moulded Frame – Designed for exact OEM fitment to prevent leaks and ensure a perfect seal.

• Reusable & Washable – Clean and reuse with the Ramair CK-003 maintenance kit, reducing long-term costs.

• Durable Construction – Manufactured using a custom-blended polymer designed to withstand heat, pressure, and long-term use.

• Proven Motorsport Technology – Trusted by performance enthusiasts and track drivers worldwide.

What Does It Do?

This filter replaces your standard Audi OEM panel air filter, fitting directly into the factory airbox. By increasing the available surface area with its pleated nanofiber construction, airflow is significantly improved, resulting in sharper throttle response, better breathing for the engine, and reliable filtration of harmful particles.

Technical Specifications

• Filter Length: 266mm (10.5”)

• Filter Width: 212mm (8.3”)

• Filter Shape: Rectangular

• Filter Media: Synthetic Pleated Nanofiber

• Cleaning Method: Ramair Filter Maintenance Kit CK-003

Vehicle Compatibility

This Ramair performance filter is compatible with a wide range of Audi A4 B6 (2000–2005) and Audi A4 B7 (2004–2009) models, including petrol and diesel engines, as well as high-performance S4 and RS4 variants.

Audi A4 B6 (2000–2005)

• 1.8T (2000–2006)

• 1.9 TDI (2000–2006)

• 2.0 TDI (2000–2006)

• 2.4 V6 (2000–2006)

• 2.5 TDI (2000–2006)

• 3.0 V6 (2000–2006)

• S4 4.2 V8 (2003–2005)

Audi A4 B7 (2004–2009)

• 1.8T (2004–2009)

• 1.9 TDI (2004–2009)

• 2.0 TDI (2004–2009)

• 2.0 TFSI (2004–2009)

• 2.5 TDI (2004–2009)

• 2.7 TDI (2004–2009)

• 3.0 TDI (2004–2009)

• 3.2 FSI (2004–2009)

• S4 4.2 V8 (2005–2009)

• RS4 4.2 V8 (2006–2008)

Why Choose This Filter?

• Improved engine response and smoother power delivery.

• Long-term engine protection against dust and debris.

• Washable and reusable, saving money over disposable filters.

• Designed for both road use and high-performance driving.