Dbilas setup is not standard so you are not comparing apples with apples then..... Excessive oiling of the k&n causes MAF problems. Lots of posts about that..
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2019 Seat Ateca 1.6 DSG XCellence
Past 2015 Ford Focus 1.5 Titanium X
Past 2012 VX Astra 2.0 Cdti Sri Vx Line
Past 2008 Civic 1.8 Type S
Past 2015 Ford Focus 1.5 Titanium X
Past 2012 VX Astra 2.0 Cdti Sri Vx Line
Past 2008 Civic 1.8 Type S