2005-2014 Ford Mustang Tensile Steel Racing Seats Mounting Brackets - 2PCS Shift Knobs It means that

It means that

Multi-layered heat-resistant silicone fibers

This aerodynamic enhancement provides greater confidence during aggressive driving

The result is more exciting

2005-2014 Ford Mustang Tensile Steel Racing Seats Mounting Brackets - 2PCS Shift Knobs It means thatBrand new in original box Exactly the same as picture ! Comes with 1 pair of laser welded racing seat brackets (driver & passenger sides) Made of high quality light weight durable tensile mild steel Laser welding provides a much more precise and higher strength weld than traditional welding Dimension: 19" x 18" Fits with all 4 Point 5 Point 6 Point after market seat belts Easy to installation No modification needed Seat brackets are made specifically