Default [q] Do xposed slow down the phone?

Hello everyone, last time I tried xposed with some modules I felt that my phone was a bit slower than without xposed installed...is it a fact that xposed do slow down a phone? I like the features with xposed but it is a small drawback with the performance I loose..

What do you know about this?
"LG D802 with a rom that I prefer!"
Changing roms too fast these days.....
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