What you see is what you get. No extra parts for alternative models.
The item "LEGO Technic 8448 Super Street Sensation, incomplete, RARE" is in sale since Tuesday, April 2, 2019. This item is in the category "Toys & Hobbies\Building Toys\LEGO Building Toys\LEGO Complete Sets & Packs". The seller is "aha-aramis" and is located in Hallein. This item can be shipped worldwide.