The Agency Power Ferrari F430 headers are built from all stainless steel to fit the 2005 to 2009 vehicles. Made from 304 Stainless Steel, the headers come in a beautiful polished finished or can be ceramic coated black to improve performance. Flanges are laser cut for a precision fit on to the 430's engine. Each header features a highly engineered collector to add additional horsepower and torque. These headers will add almost 25 wheel horsepower and 25 ft per lbs of torque. In addition to improving performance, the headers also change the tone of your vehicle. Adding a deeper sound. These 4 into 1 headers consist of 1. 75" pipe that feed into a 2. 375" collector giving a significant improvement over stock.