High flowing downpipe, to give your car more power and torque. Less back pressure and lower exhaust temps.Downpipe , and the first metre or two of your exhaust system are generally the most critical point when it comes to exhaust gas flow. At this point, exhaust is still hot after the combustion and needs all the available capacity to find it’s way out efficiently. With upgraded downpipe you will make a big difference, and also ensure your turbocharger can work in optimal way.
Please keep in mind, that depending on the model this set might replace or disable your emission control systems such as DPF filter EGR or AdBlue. Check your local regulations before doing so.
Detailed information about this product:
Downpipe BMW E70 N57, N57S
X5
30dx, 40dx
2009-2013
245, 306Â bhp
Pipe diameter – 76 mm
Pipe diameter at the point of the connection with a middle section – 70 mm
OE numbers:
18308511143
18307807135
18307805780
18308510429
18308571010
18307823488
18308517726
18308517208
18308512710
18308512692
18307807153
18308511146
18308511147
18308515653
18308513527
18308513529
18308571023
18308571022
18308571009
18308517450
18308517451
18308516089
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