Give your BMW the sound and response it deserves! This stainless steel downpipe is specially adapted for BMW M235i and 435i with an N55 engine. By replacing the original restrictive downpipe, you get:
Pipe diameter: 4"
Precision CNC-machined turbocharger V-band flange
TIG welding for strength and durability
Straight-through design allows more airflow to improve horsepower and overall performance
Mandrel-bent 4" pipe with smooth transition to the exhaust system
Higher peak horsepower curve
Higher initial torque curve - The torque curve hits faster, higher and longer
Better throttle response and faster turbo spool times
Expected power gain of 20 whp and 30 wtq when used with a Stage 2 Tune
Fitment
For 2013–2015 BMW F20 F21 M135i
For 2014–2016 BMW F22 F23 M235i
For BMW F87 M2 from 2016 onwards
For 2014–2016 F32 F33 435i/435i xDrive N55 engine models
All N55 single turbo engines from 2013+
