Milltek BMW 1 Series M135i 3 & 5 Door (F21 & F20‚ None xDrive) 2012-2016 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.

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