What makes it different is the cross-brace that ties the subframe connectors to the convertible floor pan torque boxes for added stiffness. Here’s what it takes to install them in the car.

We take you through the steps of how to install Detroit Speed & Engineering's subframe connectors on 1964-70 Ford Mustangs.

Add that twist to a flimsy econobox body and you get a bent race car. That's where frame connectors and subframe connectors help.

Kenny Brown's Extreme Subs subframe connectors gets installed on a fox-body Mustang, see it here at 5.0 Mustang & Super Fords Magazine.