The BMW N20 Catless or High Flow Catted Downpipe is the best mod you can do. Do you want to get more performance from your BMW N20 Engine in your BMW 520i, 528i. Installing a Downpipe for your BMW N20 will provide great performance and is the best bang for buck modification. Purchase your N20 downpipe for more performance.

DCE Parts - BMW N20 F07 F10 F18 Downpipe 520i/528i incl. xDrive 2010-2017

Through the placement of a bigger downpipe the turbo spools up quicker due to a lower back pressure. The turbo starts to build up pressure at lower speeds. It also manages to build it pressure quicker after gear changes. The installation of the downpipe alone usually provides 15 HP and 25Nm extra. By installing the downpipe, you will enhance the sound of your vehicle as well.

For proper operation and optimal power output, the vehicle will need remapping of the ECU to accommodate the catless downpipe. This product is not suitable for road use.

Options

Most DCE Parts Downpipes can be specced with a full straight Decat, a Catalytic Converter Look (but with empty cat) or with a High Flow Cat.

DCE Parts introduced a line up of Downpipes that not only offer more performance, but also much nicer sound. The DCE Parts Downpipes are optionally specced with a Catalytic Look while being catless, for enhance sound and a OE/Catted look. The DCE Parts Downpipe can also be fitted with a High-Flow Cat.

Note:

The Catless downpipes and Catless Catalytic Look Downpipes are only suitable for off-road use. The 200 Celll Sport Metallic Catalytic Converter Downpipes are suitable for road use in most Countries. We recommend to check your local law before purchasing the downpipes. 

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