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      03-09-2019, 11:42 AM   #8
bimmerdriver2
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I'm calling BS on this:
Quote:
Another added benefit is that by keeping in heat (energy) in the exhaust gases inside the downpipe, exhaust flow velocities stay up, resulting in lower backpressure.
This is complete nonsense. The place where heat energy needs to be retained is upstream of the turbine, not downstream. This downpipe has nothing to do with upstream. I'm not saying there isn't a benefit of keeping heat energy inside the downpipe for keeping engine compartment temperature down, but that's another matter.

Last edited by bimmerdriver2; 03-10-2019 at 11:46 AM..
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