A47 05+ 197 INNERFRAME The Agent 47 innerframe kit is simply the most effective chassis stiffening kit available for the current mustang no other company product comes even close. The innerframe basically turns your unit body car into an interconnected race type frame. It achieves this by tying the unitbody together at 12 key structural points.(not just the front and rear subframes like all the others). Our kits bolt in (but can be welded if you wish) all tubing is chromoly and fully tig welded. Black powdercoating available for an extra $250. Fit and finish are second to none. Right now all Innerframes are built to order. Please allow roughly 6 weeks for delivery.