Catless Downpipe for BMW 335i/135i w/N55B30 engines
This downpipe fits only BMW 135i, E82 and E88 models and 335i E90, E92 models with N55B30 Motor 2011-2013.
Downpipe is a full 4" with 2 @ 2.5" collectors.TIG welded and manufactured out of 304 stainless steel with polished finish. Replaces OE exhaust with its bends. Straight-through tubing section replaces the heavy and restrictive OEM catalytic converters for maximum power and sound; recommended for track/off-road use only. Includes 2 O2 bungs for sensor connections. For left hand drive models only! Features:
- Straight-through design allows for maximum power and sound. Reduces turbo lag
- Retains OEM mounting points for easy install.
- Improves horsepower and torque significantly - +13-15 HP and 35-40 Ft. lbs of Torque with tune
- Direct bolt-on replacement for OEM primary catalytic converters
- Less thermal load on the turbocharger
BMW 3 Series 335i/335i/xDrive Sedan (N55 motor) e90 2010-2013
BMW 3 Series 335i/335i xDrive Coupe (N55 motor) e92 2010-2013
BMW 3 Series 335i/335i xDrive Cabroilet (N55 motor) e93 2010-2013
BMW 1 Series 135i (N55) e82 2010-2013
BMW X1 35i (N55) e84 2012-2015
These parts are intended for off road or track use only!
This product is sold for off road use only. It is not legal for use on public highways. This product is not for sale or use in California. It is available to our international customers for use within legal limits in their domicile.