2 - Tuning Parts for Audi A4 - S4 - RS4 (B9) 2015+

K&N Typhoon® air intake systems are built for performance and show. This free-flowing mandrel-bent aluminum tube induction system was designed to fit many sport compact performance vehicles. Typhoon air intakes come with a high-flow conical air filter designed to provide increased surface area and dust capacity. Some Typhoon air intakes are not legal for use in California and other states adopting California emission standards while others are CARB exempt and 50 state legal. Check the K&N air intake product page for specific CARB status.

The aFe Sprint Booster V3 Power Converter offers enhanced throttle response and customizable acceleration programs for your Audi A4/A5, ensuring a more responsive and tailored driving experience.

Upgrade your Audi A3 or A4's ignition system with aFe POWER SCORCHER High-Performance Ignition Coils, offering up to 20% more spark energy, lower primary resistance, and easy installation for enhanced performance.

The aFe POWER SCORCHER High-Performance Ignition Coils provide a direct replacement for your Audi S4 & S5's factory coils, delivering up to 20% more spark energy and ensuring reliable ignition for optimal performance.

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Hand-crafted, every detail of these exhausts was labored over to ensure maximum performance and longevity

High Performance Oil Filter for your engine!

Provides power gains while maintaining A/F ratios with no additional tuning

Provides power gains while maintaining A/F ratios with no additional tuning