
The H&R Street Performance coilover kit for Audi A4 (B9) Premium/Premium Plus/Prestige 2017–2021 (2WD, without MRC) pairs custom-valved dampers with progressive-rate springs on fully threaded bodies for adjustable ride height. Engineered in Germany, the set aims to improve handling and ride comfort while allowing height tuning to lower center of gravity and tailor balance to driver preference.
H&R 17-21 Audi A4 Premium/Premium Plus/Prestige (2WD) B9 Street Perf. Coil Over Kit (w/o MRC)