It’s a bit strange with this filter, I’ve only driven about 500-600km (300-370miles), so it’s not something to trust yet, but when I went home from Ludvika the negative pressure above the filter was 12mbar, the next day it was negative pressure down to 6mbar, all at 2000rpm. I was sure the filter wasn’t working, and checked the intake, but it was clean. Can the speed of the gas affect the soot so that it suddenly falls off the cloth, (have changed from 62 mm (2.4") to 73 mm (2.8") between unit and filter) like on Göran’s, or is it the cloth depends on? Haven’t gone that far yet, so it might change.
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