BMW 135i N55 Decat Downpipe for E82 and E88 2011 to 2012. Also fits BMW 335i N55 E90 E91 E92 E93 2011 to 2012. Transform throttle response, unlock proven power gains and let your N55 sound the way it should with this high quality catless downpipe. Fabricated in the UK from premium T304 stainless steel, TIG welded in-house and designed for maximum flow, this BMW N55 decat downpipe is a must-have performance exhaust upgrade for early E chassis cars.
Why choose this BMW N55 decat downpipe
- T304 high grade stainless steel construction for durability and corrosion resistance
- TIG welded in-house with laser cut 10 to 12 mm flanges for a precise, robust fit
- Mandrel bent tubing for smooth gas flow and maximum internal diameter
- Faster turbo spool and sharper throttle response
- Noticeable power gains with an aggressive, motorsport-inspired exhaust note
- Reduced backpressure and lower exhaust gas temperatures for improved efficiency
- Substantial weight saving versus the factory catalytic converter
- Lifetime warranty for long term peace of mind
We have run this decat on our own cars and customer feedback has been excellent. In testing we have seen increases of 12 to 17 bhp, with improved midrange pull and a crisper top end. This BMW 135i and 335i catless downpipe pairs brilliantly with performance tuning and remaps for even stronger results.
Fitment
This decat downpipe fits early BMW E chassis N55 engines from 2011 to 2012:
- BMW 1 Series E82 E88 135i N55 2011 to 2012
- BMW 3 Series E90 E91 E92 E93 335i N55 2011 to 2012
Engine code: N55. E chassis only. Not for later F chassis vehicles.
Installation and setup
- Professional installation recommended. Tolerances can vary between exhaust systems and space can be tight on these cars.
- We recommend using a lambda sensor spacer to help prevent the engine light in most cases.
- Fitting service available at Nforcd in Warwickshire. Request a quote at Sales@nforcd.com.
Warranty
This product comes with a lifetime warranty.
Search friendly terms
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Note: check local regulations regarding road use. Intended for off-road and track use where applicable.