MTC Motorsport – BMW M135i N55 Downpipe 200 Cell Hi-Flow Sports Cat 235i 335i 435i

MTC Motorsport – BMW M135i N55 Downpipe 200 Cell Hi-Flow Sports Cat 235i 335i 435i

MTC Motorsport – BMW M135i N55 Downpipe 200 Cell Hi-Flow Sports Cat 235i 335i 435i

MTC Motorsport BMW M135i M235i 335i 435i Stainless Steel Downpipe with Hi-Flow 200 Cell Sports Cat and Heat Shield

The N55 downpipe is machined from T304 high-grade stainless steel and are tig welded in house

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.

Finished in brushed stainless steel

This downpipe 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

2 Series (F87) M2, 272 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

This downpipe will fit all N55 engines from July 2013+. It will not fit the 135i pre July 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.

If you have a later model car with OPF/PPF filters they will need coding out so you will need to find a tuning company who can do this.

These should pass an MOT emissions test when fitted. They are road legal and Euro 5 rated.

This product comes with a lifetime warranty.

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