Having a car unlocks the seemingly endless freedom of the open road — and the inevitability that something will eventually leave you stranded on the side of it, wishing you had an emergency car ...

And your wallet. Though, for three grand less, you can enhance your old 911 GT2 RS (the 991 car, pictured below), because Manthey’s kit for that starts at $113,140. Much like the GT3 ...