No stickers on the M2, just changed the rear badge to black.
The Lotus has the Cup Car windshield banner, and some modified Cup stickers, but they're similar to OEM (less obtrusive IMO).
Down by the creek, walkin' on water. by
Andrew Thompson, on Flickr
Pink is my favorite color. (Explore) by
Andrew Thompson, on Flickr
NT-01. by
Andrew Thompson, on Flickr