EIBACH 0500.200.0400 Racing Spring ERS (I.D.-51 mm, L-127 mm, Rate-70 N/mm) ymm_48 and you’ll find plastic OEM

and you’ll find plastic OEM inlet hose has ribs and steps within the bore causing turbulence and disturbing the airflow

SUBARU Impreza Sport (GP6) 2011-

2008-2013 BMW M3 Convertible 4

Ceramic AP Racing 5200 / Alcon

16 Left Seat Console for AUDI A3/S3/Sportback 2003-2011/SEAT Altea 2004+/Seat Leon (1P)/SKODA Octavia II (1Z)/VOLKSWAGEN Scirocco III 2008-2017/Touran 2003-2010

EIBACH 0500.200.0400 Racing Spring ERS (I.D.-51 mm, L-127 mm, Rate-70 N/mm) ymm_48 and you’ll find plastic OEMThe Bread and Butter of any Coilover System ERS Coilover Springs are produced to motorsport grade tolerances, retaining consistent rate and static height. Available in a wide range of lengths, rates and diameters Maximum Travel in Combination with Smallest Block Heights Ultra lightweight reduced unsprung mass Highest linearity and guaranteed consistency Designed for maximum travel and smallest block heights Specifications Length: 127 mm Inside