Milltek BMW 1 Series M140i 3 & 5 Door (F20 & F21 LCI Non-OPF & None xDrive) 2015-2018 ValveSonic + Exhaust

All Milltek performance exhaust systems are manufactured from T304L stainless-steel; giving you the satisfaction of knowing that our products are meant to last within some of the toughest environments. T304L is a highly durable form of stainless-steel that is far less susceptible to degradation and discolouration than many others of its kind, while it will last almost indefinitely.