SLN Performance - BMW B58 Super 5" Ceramic Coated 200cell Sports Cat Downpipe M140i M240i 240i 440i F Series

This is the largest downpipe on the market with a smooth transition to 5" - 200cell

Features

Ceramic Coated Full Stainless Steel 304, Stainless Steel flex joint with an inner Stainless liner inside for durability, longevity,

What you'll notice is a much deeper exhaust note, better spool/response. If you ever want a custom exhaust you can simply have the very end of the down pipe (3.3") section swedge up to 3.5" or simply just cut that 3.3" section & you will be left with a 4" Dia section.

This item fits the following BMWs:

2016+ F20/F21 F22/F23 BMW M140i, M240i & M240i xDrive

2016+ F30 BMW 340i

2016+ F32 440i