How deep are they?
Compare them to the Shelby 8 inch subs. Which from what I understand are Kicker VT Shallow Mounts.
The Shelby Subs are made to fit right into the sub opening and have a rear mount that bolts up like the stock subs do.
The Shelby Subs do stick out more than stock subs on a 2008
2008 GT Premium, MagnaCharger TVS 1900, Brembo Brakes, Whiteline Watts Link, Koni Yellows, Steeda Sport Springs,
J&M Extreme LCA, BMR Relo Brackets, FR500S Axlebacks, TCI Shifter