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Discussion Starter · #1 ·
Hi guys,
Few days ago I did oil change and replaced filters. Nothing else was done on the car, but after that blow-off sound changed. Instead of regular "psss" sound, now it sounds like air is blown over some kind of edge or something. It's not as sharp as it was before, it's more "hollow" now.
Car is 1.4 MA (170 HP).
Any ideas?
 
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