Additional parts - ValveSonic + - BMW F Series Models - 1992-2020 - SSXVS001_7 £365.08 £405.64 Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... Add to Cart