N54 Downpipe Hardware Full Set with Gasket and Bolt kit M3 (G80) BMW 440i / 440i xDrive

BMW 440i / 440i xDrive (F32/F33/F36) – 2016–2020

There are three options to read your ethanol content when using our ethanol analyzers:

the ARM Motorsports F30 FMIC Hose Upgrade is available as an optional upgrade

The ARM N55 Catless Downpipe is built with mandrel bent SS304 stainless steel and backed by the ARM Motorsports Lifetime Warranty

Assembly Options

N54 Downpipe Hardware Full Set with Gasket and Bolt kit M3 (G80) BMW 440i / 440i xDriveThis is a complete hardware replacement for the N54 downpipe to midpipe connection. Included with the kit is everything you need to secure your downpipes to your midpipe. The midpipe gaskets are made with a reinforced metal composite, and the hardware is high tensile strength steel with black oxide coating to resist rust and improve durability. N54 Downpipe Set 2 Exhaust Gaskets 4 Nuts Bolts Washers