Quick view UMI Performance UMI Performance 93-02 GM F-Body Tubular Subframe Connectors - Bolt-In - 2002-R Compare $349.99 The first and only 2-point tubular bolt-in subframe connector is now available from UMI Performance. This set up is designed to tie the front and rear subframes together using bolt-in hardware supplied and requires no welding! Subframe connectors improve... Add to Cart Add to Cart