EIBACH ERS Spring Isolator Size (inch):3.0" You’ll never have to compromise

You’ll never have to compromise between off-road handling and on-road comfort again

They increase the efficiency of the shock

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

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

OE Reference: 17517846235

EIBACH ERS Spring Isolator Size (inch):3.0" You’ll never have to compromiseEibach'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