I have never done that (never had the need to really either) cos you'll just get some jobsworth slapping a ticket on it regardless of being legal, they just can't think out of the box.
I've been driving these since 2002 !, I've had a 599 turbo first, then a 698 turbo, then another 698 turbo, then a 999 NA, then a 799 (diesel turbo), and now a 898 turbo
I like me turbo like innit
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