The Downpipe Kit fits in to the n20 engine:

BMW 125i F20 / F21 
BMW 220i F22 / F23
BMW 228i F22 / F23
BMW 320i (x) F30 / F31 / F34 
BMW 328i (x) F30 / F31 / F34 
BMW 420i F32 / F33 
BMW 428i (x) F32 / F33 / F36

Replacement for OEM BMW Part# 18327645666 from year of construction 10/2012+

made out of high quality stainless steel 1.4301 (SS304)
100% perfect fit, replace OEM
less thermal load on the turbocharger
more power by reducing back pressure
significantly more torque
without catalytic converter 
connection diameter 105mm

*ECU will need to be coded to avoid engine management light errors.

PLEASE NOTE : ALL PRICING IS BASED ON LOCAL STOCK AVAILABLE IN AUSTRALIA. IF ITEMS NEED TO BE
FREIGHTED URGENTLY FROM GERMANY - ADDITIONAL FREIGHT CHARGES WILL APPLY