BILSTEIN 48-147231 Suspension Kit B16 (R4) AUDI A4 A5 (B8) ymm_58 Under boost the valve has

Under boost the valve has a clean crisp sound that will definitely get you noticed

With 85% more charge air volume compared to the standard cooler

With the TICKR Heart Rate Monitor connected via Bluetooth to a VBOX Video HD2 you can log your heart rate and display it on the video

allowing legal road use without the need for registration or additional certification

BILSTEIN 48-147231 Suspension Kit B16 (R4) AUDI A4 A5 (B8) ymm_58 Under boost the valve hasDescription BILSTEIN 48 147231 Suspension Kit, springs shock absorbers B16 PSS10 The BILSTEIN B16 track performance threaded ride height adjustable kits are designed for drivers seeking control and versatility. With a simple turn of a knob, the system transitions from daily driving to track ready performance. The Dual Click adjustment feature allows for easy and effective tuning. Damper settings can be precisely adjusted to create the desired ride