BMW E92 335i (N55 single turbo) Downpipe

Featured below, the SUPERCIRCUIT Catless Downpipe made for the BMW E92 335i with the single-turbo N55B30 engine.

In the below picture, the factory stock original downpipe which comes with a huge catalytic converter VS. the SUPERCIRCUIT free flow catless donwpipe in full grade 304 stainless steel.

The SUPERCIRCUIT BMW E92 335i N55 Single-turbo Downpipe is designed for direct bolt-on application. At the front, just clamp it onto the turbo outlet as shown in the picture below. 

At the other end of the SUPERCIRCUIT Downpipe, it is straight bolted onto the rest of the BMW F92 335i factory stock cat-back exhaust system. No mod, cut or weld is required during the installation.

This catless downpipe promotes better exhaust flow and is best to match with ecu remapping/ tuning for optimum performance.

To purchase or for more information about the above SUPERCIRCUIT direct bolt-on catless Downpipe made for the BMW F92 335i single-turbo N55B30 engine, please visit us at SuperCircuit exhaust Pro Shop, SS13 Subang Jaya Industrial Estate. Tel: 03 5632 2855 or Send Us A Message using the form on the right of this page.

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BMW E92 335i N55 Single Twin-scroll Turbo Downpipe

SUPERCIRCUIT has probably the largest collection of turbo downpipes in the country. Here is one installed to the BMW E92 335i with N55 single twin-scroll turbo.

The BMW 335i E92 shown below with N55B30M0 straight-6 engine comes with the single twin scroll turbo.

The factory stock turbo downpipe of the BMW E92 335i N55 single turbo shown below.

This is how the BMW 335i N55 turbo outlet looks like after the downpipe is removed (SEE BELOW).

The BMW E92 335i N55 single turbo downpipe vs. the catless SUPERCIRCUIT Downpipe.

The SUPERCIRCUIT downpipe is made with grade 304 stainless steel mandrel bent pipes and is fully TIG/Argon welded on CNC machined stainless steel flanges of the same material grade to ensure perfect fit and long lasting performance.

The SUPERCIRCUIT Catless downpipe developed for the BMW E92 335i N55 single twin-scroll turbo is compatible with the rest of the factory stock exhaust system. It is just straight bolt-on (SEE BELOW).

This catless downpipe is ideal for ecu tuning or remapping but can also be installed alone without any further tuning if you need more horsepower but do not go too extreme. The later needs an 'O2 sensor defouler' or a 'Mini Cat' to cure the P0420 CEL due to removal of the original catalytic converter.

To purchase or for more information about the above SUPERCIRCUIT bolt-on catless downpipe for the BMW E92 335i N55 single twin-scroll turbo, please visit us at SuperCircuit exhaust Pro Shop, SS13 Subang Jaya Industrial Estate. Tel: +6 03 5632 2855 or Send Us A Message using the form on the right of this page.

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BMW 335i (E92) Twin Turbo Downpipe + Catback Custom

Full stainless steel BMW 335i Coupe E92 exhaust system from twin turbo downpipe all the way to the rear muffler system customized by SuperCircuit Exhaust Pro Shop.

The standard BMW 335i Coupe with twin turbo N54 engine is producing 302bhp and 400Nm of torque as claimed by BMW. With such engine output, she definitely needs a good and efficient exhaust system.

First, the twin parallel running exhaust system made of grade 304 stainless steel CNC mandrel bent 2.5" piping from the front to the back is crafted by hand. 

Then, not to be missed out, the 2.5" catless downpipe. By eliminating the restrictive catalytic converters in the factory downpipes, backpressure is reduced significantly which results in faster spool, an increase in power & a more aggressive exhaust note. This 2.5" catless downpipe suits 2007-2010 135i, 335i & 335is, just bolt-on, no further modificaiton is required for installation; but further tuning is required should there be a CEL due to removal of the stock catalytic converter. 

For more information about the above SuperCircuit Exhaust System customization for the above BMW 335i, please contact us at SuperCircuit Exhaust Pro Shop, Sunway. Tel: +6 03 5632 2855 or join the SuperCircuit Exhaust facebook for more updates.