MAD N55 Catted Downpipe BMW M135 M235 M2 335 435 4.0" zinc Our high flow inverted cleanable

Our high flow inverted cleanable filters offer increased flow along with a more aggressive intake sound

It is a must-have for BMW N55 engine enthusiasts looking to take their vehicle's performance to the next level

Which cars are supported

Larger than stock

The OE coils weren't capable of holding such charge

MAD N55 Catted Downpipe BMW M135 M235 M2 335 435 4.0" zinc Our high flow inverted cleanableUpgrade from the stock N55 downpipe to the MAD N55 catted downpipe for maximum airflow, power, and sound! Introducing the Mad Catted N55 Downpipe, the perfect upgrade for BMW enthusiasts looking to enhance their vehicle's performance and exhaust sound. Crafted from premium quality 304 stainless steel, this downpipe is built to withstand extreme temperatures and harsh driving conditions. The smooth transition of our piping design ensures maximum