Overview: The perfect starting point for your Audi B9 3.0 TFSI power upgrades, RacingLine's Trifoam® High Flow Air Filter uses the exact same filter material as their full intake systems do. A simple drop-in replacement for your factory paper filter, giving a valuable boost to engine efficiency as a perfect complement to either the stock engine or those running Stage 1 calibrations.
Highlights
- OEM-level fitment and finish
- Designed for improved performance and response
- Built for daily reliability and long-term use
Fits: Audi: S4 (B9)
Please verify exact application before purchase.
Why RacingLine: Purpose-built upgrades for VW & Audi platforms, engineered for performance you can feel and fitment you can trust.
This part also goes by the following cross reference.
Cross Reference Part Number: