MTC Motorsport – BMW 135I M135I N55 Decat Downpipe EWG

MTC Motorsport – BMW 135I M135I N55 Decat Downpipe EWG

MTC Motorsport – BMW 135I M135I N55 Decat Downpipe EWG

This decat will fit all N55 engines from July 2013+. It will not fit the 135i pre July 2013. We do supply one for this model which you will find in our other items.

The BMW 135i downpipe is machined from T304 high-grade stainless steel and are tig welded in house
The decat is fabricated in the UK and the flanges are laser cut between 10-12mm
Sharper throttle response due to faster spool of the turbo
Noticeable power gains and a much more aggressive exhaust note which sounds truly amazing
Produces lower temperatures and less exhaust backpressure due to the relief of the turbocharger. Also, the cylinder charge is increased
There is also a substantial weight saving in comparison to the factory catalytic converter
Mandrel-bent for better gas flow and maximum internal size to ensure ultimate performance without the loss of mid-range torque.
This decat will fit the following models:

1 Series (F20) M135i, M135i XDrive 235 kW + 240 kW N55 engine, built from 07/2013
1 Series (F21) M135i, M135i XDrive, 235 kW N55 engine, built from 07/2013
2 Series (F22) M235i, Coupe, 240 kW N55 engine, built from 07/2013
2 Series (F23) M235i, Cabriolet, 240 kW N55 engine, built from 07/2013
3 Series (F30) 335i, 335iX, Sedan, 225 kW + 240 kW + 250 kW N55 engine, built from 07/2013
3 Series (F31) 335i, 335iX Touring, 225 kW + 240 kW + 250 kW N55 engine, built from 07/2013
3 Series GT (F34) 335i, 335iX, Gran Turismo, 225 kW + 240 kW + 250 kW N55 engine, built from 07/2013
4 Series (F32) 435i, 435iX Coupe, 225 kW + 250 kW N55 engine, built from 07/2013
4 Series (F33) 435i, 435iX, Cabriolet, 225 kW + 250 kW N55 engine, built from 07/2013
4 Series (F36) 435i, 435iX Gran Coupe, 225 kW + 250 kW N55 engine, built from 07/2013
We have tested this product and found increases of 10-15bhp.

Professional installation is recommended as some exhausts sit slightly different from others and can be tight although the feedback we have received from this product is that it is very easy to fit.

We also recommend purchasing a Lambda Sensor Spacer(s) to prevent the engine light coming on in most cases. If you search our other items you will find these.

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