MAD N55 E Chassis Downpipe 135i/335i/X1 35i

$239.00

Upgrade from the stock N55 downpipe to the MAD N55 catless downpipe for maximum airflow, power, and sound!

By removing the stock catalytic converter, you delete all turbo restrictions allowing your turbo (stock or aftermarket) to spool faster and achieve maximum power. Expect up to 30 HP increase on a stock car with a tune, even more with an upgraded turbo.

Features:

Compatible with right hand drive and left hand drive vehicles
Smooth bends for maximum airflow without any drone
Up to 30HP increase on stock turbo, even more on upgraded turbo
Gaskets and mounting included
Lifetime warranty on defects and fitment
90 day return period
All orders ship in 1-2 business days
Spot on fitment

Fitment:

2011-2013 BMW 135
2011-2013 BMW E chassis 335i & 335XI
2012-2015 BMW X1 35i