Detroit Speed Powdercoated Hydroformed Subframe - Base Shocks - Big Block ChevyDetroit Speed's front subframe is a bolt in replacement for the original stock subframe. It improves the handling and ride quality by utilizing DSE's unique suspension geometry. It is the ONLY subframe in the aftermarket industry with hydroformed frame rails. The hydroformed frame rails feature strength and stiffness, precise quality and repeatability. Hydroforming preserves the steel's strength and stiffness because it is performed at low