ST 273100AL Coilover Spring Kit AUDI S3; (8V) 05/13- FA 20-30 RA 0-15 ymm_17 by completely covering the PVC

by completely covering the PVC (polyvinyl chloride) tube with excellent weather resistance

It is not intended for use with competitor or Original Equipment (O

A Simple swap on the dyno to FMTIA9 proved to enhance power and lower throttle response with gains of 8+ BHP and 11 lb/ft Torque at peak RPM along with around 5 lbft and 6 BHP in the midrange

The plastic OEM inlet hose has ribs and steps within the bore causing turbulence and disturbing the airflow

ST 273100AL Coilover Spring Kit AUDI S3; (8V) 05/13- FA 20-30 RA 0-15 ymm_17 by completely covering the PVCST 273100AL Height adjustable springs kit (lowering springs) The ST suspensions coil springs convert the OEM suspension into a height adjustable setup while retaining the factory dampers. Thanks to the ST threaded sleeves, the system is compatible with vehicles equipped with either welded or clipped spring perches on the original dampers. On applicable vehicles, the use of electronic damper control can also be retained. The springs are engineered with