Wagner Downpipe Kit suits BMW M140i M240i 340i & 440i(F2X/F3X)

The Downpipe Kit fits in to the B58 engine:

Downpipe Kit for BMW M140i M240i 340i & 440i

made out of high quality stainless steel 1.4301 (SS304)
complete Ø3,5 and adapter for stock exhaust
200CPSI EU6 Racing Metal Catalytic Converter / optionally with HJS-catalyst (ECE approval) or without catalyst converter
100% perfect fit, replace OEM
less thermal load on the turbocharger
more power by reducing back pressure
significantly more torque