Note: Fits Cobra Models Only X-Pipes crossovers are used to connect the headers to the muffler section on vehicles with true dual exhaust systems. They feature mandrel bent composite steel tubes welded into a unique x-shaped chamber made out of two stamped sections. This method of manufacturing is more costly than conventional crossovers, but Bassani feels that the gains in power, sound, and appearance more than make up the difference. Composite Steel Construction Mandrel Bent Large Diameter Tubing Replaces Mid-Pipe And Catalytic Converter Gasketless Ball & Socket Connection To Headers HP & Torque: 5-10 HP/ 10 ft lbs Torque Tech Notes: Off-Road Use Only