I think its added underneath the factory one.
Printable View
The car is lowered by 25mm or something already. There is not going to be a lot of clearance there.
Just saw pictures of the interior.....love it! Well done Tickford.
Std Mustang is 185mm.
Sprint is hard to measure but approx 190mm at the furthest edge.
Interestingly the law says 100mm min.
https://scontent.fmel8-1.fna.fbcdn.n...c8&oe=5C1D9D7A