Milltek BMW 1 Series 128ti 5 Door (F40 OPF/GPF Equipped) 2021-2023 Particulate Filter-back Exhaust F32 LCI 430i Each paddle starts life as

Each paddle starts life as a solid billet of aluminium

less back pressure and better airflow

4E0407515D

Test results taken at AmD Rolling Road showing charge temps before and after the OEM intercooler and the AIRTEC upgrade

Milltek BMW 1 Series 128ti 5 Door (F40 OPF/GPF Equipped) 2021-2023 Particulate Filter-back Exhaust F32 LCI 430i Each paddle starts life asAll 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.