Hi will i really notice the difference with one of these ?

assuming it's currently standard, yes

Edited 8 June, 201313 yr by andypandypoos

You won't believe the difference untill you have driven a remapped Fabia, pulls so much harder.

I had r tech map done on my ibiza 6L and the difference is night and day. Definitely feels how it should have been out of the box. Nice and smooth, not overly smokey.