3.5″ Catless Downpipe For BMW 335i 335ix M135i F30 F20 F21 N55

Precisely designed and tested on a real car in the real world \n

T304 stainless steel, TIG welded back-purged construction

Replaces restrictive factory downpipe \n

Great power upgrade with uncompromising performance

Incredible sporty exhaust sound, subtle when cruising

No drone with factory exhaust

Compatibility:

F30 BMW 335i & 335xi 2012 – 07/2013

F20/F21 BMW M135i & M135xi 2012 – 07/2013

135i or 335i with a production date after 07/2013 will need the 4″ downpipe

Note:

M18X1.5 02 Bung Extension O2 Oxygen Sensor Angled Extender Spacer 90 Degree For second O2  Sensor.