I cleaned my egr out on my golf ,dont think it had ever been done there was a hold the size of a 5p piece for air flow made such a difference doing it though.
I have l always liked the 17'' Straights but can understand why you would want to change them. Great having dry storage at least you can plan work anytime you feel. PS-Hope you got a reply to your message about the 75 zt meet for some reason it put the message in awaiting approval and when i replied its not showing in the comments. All very strange.