EIBACH ERS Spring Isolator Size (inch):3.0" 5 GTI/R & Audi S3/TT/TTS

5 GTI/R & Audi S3/TT/TTS (MQB) and any 2

Because of this the DI system in the car is required to constantly make corrections to keep target AFR in check

They increase the efficiency of the shock

Audi TTS 8S (AWD)

Reduced pressure drop and strain on factory components compared to OE intake

EIBACH ERS Spring Isolator Size (inch):3.0" 5 GTI/R & Audi S3/TT/TTSEibach's ERS line has evolved over the years to be the world's most prominent, comprehensive and superior Race Spring System. Eibach Race Springs are all manufactured in series production, often repeated, with a strong manufacturing experience. Thus, Eibach constantly achieves the most linear spring characteristic (rate) while maintaining the tightest tolerances and the highest quality in the industry. Included are all Inner Diameters in Metric sizes