cp-eTM is very proud to offer replacement cast
stainless steel downpipes for the BMW N54 twin-turbo engine. The cp-eTM
downpipes are the product of nearly 10-months of design work, and
represent the latest in reverse-engineering and manufacturing
technology. The downpipes are constructed from heavy gauge American-made
304-stainless steel, and also carry a lifetime warranty.
The visually striking stainless bellmouth castings are both attractive
and functional. Each was designed entirely in CAD space, and is
contoured internally to provide the lowest resistance to exhaust flow
possible. This allows the turbos to effectively evacuate exhaust from
the turbine housing, which decreases engine pumping losses as well as
improve turbo responsiveness. The thick-wall castings help retain
exhaust energy as well as prevent cracking from the thousands of thermal
cycles daily driven vehicles endure.
The ultra-precise fitment of the downpipes in what is an incredibly
small workspace is the result of painstaking attention to detail and the
utilization state-of-the-art manufacturing equipment. cp-eTM utilizes the
latest in 3-D digitizing and reverse-engineering tools, and also take
advantage of robotic cutting and welding systems to reduce the influence
of human error. These tools ensure that each example is true to the
original prototypes, which guarantees ideal fitment each and every time.
The downpipes may be installed without any permanent modifications, and
are available with or without high-flow catalytic converters and
additional wideband oxygen sensor bungs.
The 3" Downpipes will come complete with step by step instructions
and all necessary hardware required for a
complete and professional installation.
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