Air Filter RacingLine VWR1140S4 for Audi S4 3.0 Supercharged

The RacingLine high-performance air filter (High-Flow Panel Filter) is a direct replacement for your original paper filter: no modification required, it fits into the original airbox and lets the engine breathe better. The simplest and most economical way to improve performance, without affecting the warranty.

Trifoam technology, as used in intake kits

This filter uses exactly the same media as RacingLine intake kits: triple-layer Trifoam foam, washable and reusable for life, offering higher airflow than paper while providing excellent filtration. Hand-made in the UK, to the quality standards of an original part. An ideal complement to a stock engine or to ECU tuning with Stage 1 OEM+.

Technical specifications

• Triple-layer Trifoam foam, washable and re-oilable for life
• Direct replacement (drop-in) for the original paper filter, sealed polyurethane gasket
• Higher airflow: up to +15 Nm measured on a 1.4 TSI
• Hand-made in the UK, OEM quality

Frequently asked questions

Does the vehicle need modifying?

No, it is a direct replacement in the original airbox, with no cutting or special tools required. It keeps original-type fitting and service life.

Does it affect the warranty?

It is a warranty-friendly upgrade: a simple replacement filter with no engine modification.

How do I maintain it?

Periodic cleaning and re-oiling with the RacingLine oil and cleaner kit (VWR120000). The filter lasts a lifetime.

Specifications

Compatibility

Audi S4 3.0 Supercharged.